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贵金属国外部分
METALS
AND ALLOYS
Palladium-Containing
Silver Alloy
KYOCERA CORPJapanese Appl. 2006-037,183
A Pd-containing Ag alloy (1), having a blackish colour and a metallic lustre,
with good resistance to sulfur is claimed. (1) contains (in wt.%): 10–40 Sn,
1–10 Pd and ≥ 50 Ag. Further, if necessary, either one or both of (in wt.%):
1–5 Co and 1–5 In, may be added. (1) may be used for ornamental objects.
ELECTRODEPOSITION
AND SURFACE COATINGS
Fabrication
of a Rocket Engine Chamber
AEROJET-GEN. CORPU.S. Appl. 2006/0,124,469
A method for manufacturing a rocket engine combustion chamber uses
electrodeposition to form a uniform layer of Ir on a mandrel. A controlled
atmosphere plasma spray (CAPS) process is then used to deposit a structural
refractory layer such as metals or alloys of Re, Mo, W, Ta, or a mixture, onto
the Ir layer. A second CAPS process applies a transition refractory layer
containing Nb or Ta.
APPARATUS AND TECHNIQUE
Neutron Detector Assembly with Rhodium Emitters
A. Y. C. CHENGU.S. Appl. 2006/0,165,209
A system to measure neutron flux in a nuclear fuel assembly includes at least
two detectors of differing length, made from Rh. Each detector has an outer
sheath forming an inner volume into which an inner emitter is placed, which is
structured to accept neutrons and provide an electrical signal. The signal is
transmitted to an exterior lead by at least one lead connected to each emitter.
Material for Air Bag Inflator Primer
TANAKA KIKINZOKU KOGYO KKJapanese Appl. 2006-046,797
A Pd alloy (1) for an air bag inflator primer having high specific resistance
value, good workability, and excellent corrosion resistance is claimed. (1)
contains 5–30 wt.% Mo and the balance Pd. (1) is used as a fuse for an air bag
inflator and can be manufactured at low cost, compared with alternative
materials.
HETEROGENEOUS
CATALYSIS
Water
Gas Shift Reactor
JOHNSON MATTHEY PLCBritish Appl. 2,423,489
A water gas shift reactor is claimed which includes two different catalyst zones
arranged in close proximity. The temperature of the gases leaving the first zone
is the same as that of the gases entering the second. The first zone catalyst
has positive-order kinetics and consists of Au dispersed on ceria or zirconia,
and the second zone catalyst has negative-order kinetics and consists of Pt
dispersed on ceria or zirconia.
Rhodium-Containing Catalysts
CELANESE INT. CORPEuropean Appl. 1,694,435
A method of producing a catalyst or precatalyst for making alkenyl alkanoates
includes four aspects which may be applied separately or in combination. The
first aspect includes a Pd/Au catalyst or precatalyst with Rh on a support
material (1), which may optionally be calcined. The second aspect is that (1)
may be layered, with one layer free of catalytic components; the third aspect is
that (1) may contain zirconia; the fourth aspect is that the catalytic
components may be substantially Cl-free.
1,2-Diamino-3-methylcyclohexane Production
BASF AGWorld Appl. 2006/066,762
A method for producing 1,2-diamino-3-methylcyclohexane and/or
1,2-diamino-4-methylcyclohexane is disclosed. 2,3- and/or 3,4-diaminotoluene is
reacted with H2 under high pressure (100–300 bar) and high temperature
(130–220°C), in the presence of a Rh/γ-alumina catalyst containing 1–25
wt.% Rh relative to substrate. A dialkyl ether and/or an alicyclic ether is used
as the solvent, with 5–500 mol% NH3 added relative to substrate.
Preparation of Palladium Biocatalysts
CNRSWorld Appl. 2006/087,334
A bacterium strain (1) having a gene coding for a membrane-bound [NiFe]
hydrogenase (2), or membrane extracts (3) containing (2) are used for the
preparation of metallic biocatalysts containing Pd, Pt, Ru, Rh or Ir. For
example, a solution of Pd(II) is brought into contact with (1) or (3) to allow
initial sorption of Pd(II), then H2 gas is bubbled through to precipitate Pd in
reduced form. The resulting Pd(0) particles are cheaper to produce, have smaller
particle size and higher catalytic activity than other methods.
Electrochemical Palladium Catalysed Reaction
COMBIMATRIX CORPU.S. Appl. 2006/0,151,335
An isolated Pd(0) catalysed reaction, preferably a Heck reaction, is performed
on an electrode array device. The electrodes are immersed in a solution of a
transition metal catalyst system containing Pt or Pd, plus a confining agent
such as an oxidant to convert Pd(0) to Pd(II), to limit diffusion of catalyst.
Catalyst is regenerated by biasing one or more electrodes.
Spongy Platinum Nanoparticles
UNIV. MIYAZAKIJapanese Appl. 2006-045,582
Spongy nanoparticles (1) containing Pt are fabricated by reducing a
chloroplatinic acid salt with a borohydride salt, in the presence of two ionic
or non-ionic surfactants. (1) have a porous single crystal structure with outer
diameter 20–100 nm, with rod-like frames of diameter 1.5–4 nm interconnected
in 3 dimensions, to give fine pores of size 0.3–2 nm. (1) can be used as
catalysts for fuel cells or exhaust gas treatment, and in electrodes or sensors.
HOMOGENEOUS
CATALYSIS
M
Wang, Taiwan, PATENT No US 2006122057 A1, June 2006.
A nanometered Gold catalytic coating material for use in gasmask, mouth-muffle,
gasoline additive, filter for air cleanerand the like to eliminate the toxicity
of CO is disclosed to be
prepared by: adding Gold grains of diameter below 5 nm toan org. solution, and
then adding O2 to the solution, thereby causing Gold grains to form Au2O2, and
then adding porous metal carriers of diameter >5 nm to Au2O2 solution, for
enabling Au2O2 to be adhered to the pores in the metal carriers, and thus a
nanometered Gold catalyzer is thus obtained.
2-Substituted Propionic Acids and Amides
PHOENIX CHEM.British Appl. 2,422,603
A process for preparation of 2-substituted propionic acids and amides includes
converting a substrate by enantioselective hydrogenation. Preferred
hydrogenation catalysts include a ligand containing a metallocene group with a
chiral P or As substituent, a linker group such as a ferrocene or a diphenyl
ether, and a metal chelating group. A metal such as Rh, Ru, Ir, Pd, Pt or Ni is
coordinated to the ligand.
FUEL
CELLS
Palladium-Cobalt
Particles as Electrocatalysts
BROOKHAVEN SCI. ASSOC.World Appl. 2006/086,457
Pd/Co particles (1) are used in O2-reducing cathodes for fuel cells. (1) may be
in the form of nanoparticles of diameter between ? 3–10 nm and may be
supported on C black, graphitised C, graphite or activated C. (1) may have a
binary alloy composition represented by the formula Pd1–xCox, where x is
between ? 0.1–0.9.
Anode Electrode
NITTO DENKO CORPJapanese Appl. 2006-019,133
An anode and a membrane-electrode junction are claimed which can reduce the cost
of a solid polymer fuel cell, by improving the output of a Pt catalyst used for
the anode. The catalyst layer includes Pt and a proton conductive polymer
carried on a porous base. Particles of diameter < 100 nm, selected from Si
oxide, Ti oxide or Al oxide are also included.
ELECTRICAL
AND ELECTRONIC ENGINEERING
United
States Patent Application 20060246695
Kind Code A1
Kim; Young-Jae ; et al. November 2, 2006
Flip chip method
A flip chip method using gold bumps and inkjet printing is disclosed. The flip
chip method, comprising: forming gold bumps on a semiconductor chip, printing
solder ink on a first pad of a substrate using inkjet printing, mounting the
semiconductor chip on the substrate so that the gold bump and the first pad are
in contact, and reflowing the substrate, can reduce process costs and process
times, can mount semiconductor chips with microscopic pitch onto a substrate,
and can implement substrate pads with microscopic pitch, by eliminating the need
to form solder resist.
United States Patent Application 20060228478
Kind Code A1
Iwaki; Takashi ; et al. October 12, 2006
Method for manufacturing carbon fibers and method for manufacturing electron
emitting device using the same, method for manufacturing display, and ink for
producing catalyst for use in these methods
To provide an ink for producing a catalyst capable of stably forming metal
particles which act as catalysts suitable for growth of carbon fibers by
applying them onto a substrate. A solution containing a metal organic compound
containing any one metal of Pd, Fe, Co and Ni and a water-soluble polymer
compound is formed by using water or an organic solvent as a main solvent.
United States Patent Application 20060208230
Kind Code A1
Cho; Hye-Jin ; et al. September 21, 2006
Method for manufacturing printed circuit board using Ag-Pd alloy nanoparticles
The PCB manufactured by spraying conductive ink dispersed with Ag--Pd alloy
nanoparticles and curing to form wiring according to the present invention
provides reduced migration of Ag ions. Further, the present invention provides a
method for manufacturing PCB which exhibits competitive price, and excellent
conductivity and anti-migration. As one aspect of the present invention, a
conductive ink comprising Ag--Pd alloy nanoparticles, wherein the Ag--Pd alloy
nanoparticles includes Pd in the range of from 5 weight % to 40 weight %.
Platinum(II) Complexes in OLEDs
BASF AGEuropean Appl. 1,692,244
Pt(II) complexes (1) are used as emitter molecules in OLEDs. (1) may include
phosphine, bathophen or bipyridyl ligands, which may contain CN, acetylide,
thiocyanate or isocyanate groups plus aryl, alkyl, heteroaryl or alkenyl groups.
The OLEDs can be used in various devices including static screens for computers
and televisions, or in screens for mobile devices such as mobile phones, laptops
and vehicles.
Recording Medium and Reproducing Method
KYOTO UNIV.Japanese Appl. 2006-039,225
A high density recording medium (1) for digital holograms contains a recording
layer consisting of a thin film of nanoparticles (2) containing Pt, Pd or Ni,
with average particle size and film thickness of 3–20 nm. (1) uses laser light
from near-UV to visible wavelengths to give instant recording and good
stability. Information is recorded as a pattern of interference fringes between
aggregated and non-aggregated regions of (2), induced by two beams of laser
light: an information beam and a reference beam.
Superconducting Oxide Material
NIPPON STEEL CORPJapanese Appl. 2006-062,896
A bulk oxide superconductor, high in critical current density, consists of
particles of BaCeO3 or Ba(Ce1–aMa)O3–b (0 < a < 0.5 and 0 ≤ b ≤
0.5, M is a metal such as Zr, Hf, Sn) dispersed as pinning centres in a crystal
of RE1+xBa2?xCu3Oy (0 ≤ x ≤ 0.1 and 6.5 ≤ y ≤ 7.2, RE is at least one
element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Dy, Ho, Er,
Tm, and Yb). One or both of Pt and Rh are added, between 0.1–5 wt.% of the
material.
MEDICAL USES
Antitumour Compositions with Platinum Derivatives
SCHERING CORPWorld Appl. 2006/057,998
Combination compositions including a Pt-based compound, such as satraplatin,
along with another chemotherapeutic agent such as temozolomide or lonafarnib are
claimed. The combinations can be used for the prevention or treatment of various
cancers in human patients. The pharmaceutical composition can be formulated into
a single oral dosage form with a pharmaceutically acceptable carrier or
administered as separate components.
Noble Metal Dental Alloy
P. J. CASCONEU.S. Appl. 2006/0,147,334
A dental alloy containing Ru which can be cast or machined into a dental
prosthesis consists of > 25% metal selected from Ru, Pt, Pd, Ir, Os and Au,
with > 15% or the greater portion being Ru, plus 15–30% Cr. The balance
consists of a metal chosen from Fe, Ni and Co. Optionally, other elements can be
added (in %): ≤ 15 Ga, ≤ 5 Si, ≤ 1 B; and/or ≤ 5 Nb, Ta or Re.
New Gene Expression Inhibitor
SCI. UNIV. TOKYOJapanese Appl. 2006-045,131
A new Pt-containing compound (1) capable of inhibiting gene expression based on
a specific sequence is described. The structure of (1) includes two 5- or
6-membered rings each containing at least one N atom, with one N atom in each
ring binding to Pt. The rings may be pyridine, pyrazine, pyrimidine, triazine,
thiazole or imidazole rings. (1) is combined with a nucleic acid sequence
related to a specific gene to achieve gene expression inhibition.
High Frequency Treatment Tool for Endoscope
PENTAX CORP
WATER-MISCIBLE CONDUCTIVE INK FOR USE IN ENZYMATIC ELECTROCHEMICAL-BASED SENSORS
Publication number: CA2542683
Publication date: 2006-10-12
Applicant: LIFESCAN SCOTLAND LTD (GB)
Application number: CA20062542683 20060411
Priority number(s): US20050671026P 20050412; US20050118947 20050428
US2006226008 (A1)
A water-miscible conductive ink for use in enzymatic electrochemical-based
sensors includes a conductive material, an enzyme, a mediator and a binding
agent. T he conductive material, enzyme, mediator, and binding agent are
formulated as a water- miscible aqueous-based dispersion wherein the binding
agent becomes operatively water-insoluble upo n drying. <SDOCL LA=EN>
CLAIMS WHAT IS CLAIMED IS: 1. A water-miscible conductive ink for use in an
enzymatic electrochemical- based sensor, the water-miscible conductive ink
comprising: a conductive material; an enzyme; a mediator; and a binding agent,
wherein the conductive material, enzyme, mediator, and binding agent are
formulated as a water-miscible aqueous-based dispersion and wherein the binding
agent become s operatively water-insoluble upon drying. 2. The water miscible
conductive ink of claim 1, wherein the conductive material is a finely divided
conductive particle material. 3. The water miscible conductive ink of claim 2,
wherein the finely divided conductive particle material is at least one of a
carbon black material, a graphite material, a platinum particle material, a
platinized carbon material a gold particle material, a platinum/palladium alloy
particle material, a palladium particle material, a ruthenium particle material,
or a cerium particle material. 4. The water miscible conductive ink of claim 1,
wherein the enzyme is a glucose oxidizing enzyme. 5. The water miscible
conductive ink of claim 4, wherein the glucose oxidizi ng enzyme is glucose
oxidase. 6. The water miscible conductive ink of claim 4, wherein the glucose
oxidizi ng enzyme is pyrrolo-quinoline-quinone (PQQ) glucose dehydrogenase. -21-
7. The water miscible conductive ink of claim 1, wherein the mediator is
ferrocene. 8. The water miscible conductive ink of claim 1, wherein the mediator
is ferricyanide. 9. The water miscible conductive ink of claim 1, wherein the
mediator is a polymeric mediator. 10. The water miscible conductive ink of claim
1, wherein the binding agent includes a resin polymer and a counter ion 11. The
water miscible conductive ink of claim 10, wherein the counter ion i s a
volatile counter ion. 12. The water miscible conductive ink of claim 1, wherein
the binding agent includes a resin polymer and a water-miscible organic
co-solvent that is removed from the wat er- miscible conductive ink upon drying
of the water-miscible conductive ink. 13. The water miscible conductive ink of
claim 12, wherein the water-miscibl e organic co- solvent is at least one of
alcohols, glycol ethers, methyl carbitol, butyl carbitol, ethylene glycol,
ethylene glycol diacetate, diacetone alcohol, and triethyl phosphate. 14. The
water miscible conductive ink of claim 1, further including a water- miscible
co- solvent. 15. The water miscible conductive ink of claim 1, wherein the
mediator is tetrathiafulvalene/tetracyanoquinodomethane. 16. The water miscible
conductive ink of claim 1, wherein the binding agent includes at least one of a
copolymer of polystyene-co-maleic anhydride, a hydrolyzed copolymer of
polystyene-co- maleic anhydride, a copolymer of polystyene-co-maleic anhydride
which is partially hydrolyzed, a partially esterified copolymer of
polystyene-co-maleic anhydride, and a phosphoric acid functional -22- polymer
derived by the reaction of phosphoric acid with epoxy resin. 17. The water
miscible conductive ink of claim 1, wherein the binding agent contains a
copolymer of at least one of an acrylic acid monomer, a methacrylic acid
monomer, an itaconic acid monomer, a maleic acid monomer, and at least one of a
methyl methacryla te monomer, a styrene monomer, an ethyl acrylate monomer, an
isopropyl acrylate monomer, a butyl acrylate monomer, an acrylonitrile monomer,
a methyl styrene monomer, a vinyl benzoat e monomer, an acrylamide monomer, and
a hydroxymethyl methacrylate monomer. 18. An enzymatic electrochemical-based
sensor comprising: a substrate; and a conductive layer formed from a dried
water-miscible conductive ink that includes a conductive material; an enzyme; a
mediator; and a binding agent, wherein the water-miscible conductive ink is a
water-miscible aqueous-based dispersion and the binding agent became operatively
water-insoluble upon drying. 19. The enzymatic electrochemical-based sensor of
claim 18, wherein the conductive layer has a conductivity of less than about 10
k.OMEGA.. 20. The enzymatic electrochemical-based sensor of claim 18, wherein
the conductive layer has a conductivity of less than about 1 k.OMEGA.. 21. The
enzymatic electrochemical-based sensor of claim 18, wherein the drie d binding
agent of the conductive layer serves as a dialytic membrane. 22. The enzymatic
electrochemical-based sensor of claim 18, wherein the substrate is a working
electrode. -23- 23. The enzymatic electrochemical-based sensor of claim 18,
wherein the mediator is a polymeric mediator. 24. The enzymatic electrochem
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