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| Number | Title | Issue Date |
| 4368106 | Implantation of electrical feed-through conductors Electrically conductive solid, dense feed-through paths for the high-speed low-loss transfer of electrical signals between integrated circuits of a single silicon-on-sapphire body, or between integrated circuits of several silicon-on-sapphire bodies, are ... | 01/11/1983 |
| 4361542 | Zircon retrieval Zircon, ZrSiO4, is retrieved from zircon sand comprised of ZrSiO4 crystals and contaminants including SiO2 and iron by comminuting an aqueous slurry of the sand with iron means exposing the contaminants, admixing the resul... | 11/30/1982 |
| 4361631 | Electrode material for molten carbonate fuel cells Electrode material composed of metal encapsulated substrate particles for making into an electrode for a molten carbonate fuel cell is produced by electroless plating of a metal electrochemically active for the reactions of the cell onto a substrate parti... | 11/30/1982 |
| 4356290 | Block polymers of polyphenylene oxide and aromatic polyformals Linear, branched, and/or cross-linked block polymers of polyphenylene oxides and aromatic polyformals. These block polymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.... | 10/26/1982 |
| 4353953 | Integral composite of polycrystalline diamond and/or cubic boron nitride body phase and substrate phase A shaped confined structure composed of a mass of diamond and/or cubic boron nitride crystals coated with elemental non-diamond carbon in contact with a carbonaceous substrate is infiltrated by fluid silicon producing a like-shaped composite of a polycrys... | 10/12/1982 |
| 4353755 | Method of making high strength duplex stainless steels The yield strength and tensile strength of a duplex stainless steel alloy body are substantially increased and its anisotropy is substantially reduced by heating it until it is completely ferritic or nearly so and then aging it to cause fine austenitic pr... | 10/12/1982 |
| 4349621 | Process for X-ray microlithography using thin film eutectic masks A process for X-ray microlithography useful in the manufacture of microelectronic devices is provided. In the process, a mask in the form of a thin film of a eutectic is interposed between a source of X-rays and a substrate to selectively expose a layer o... | 09/14/1982 |
| 4349486 | Monocarbonate transesterification process A monocarbonate transesterification process comprising contacting in the presence of a base, a beta-fluoroaliphatic carbonate and a compound selected from the class consisting of monohydroxy aliphatic alcohols, phenols and ortho-positioned dihydroxy aroma... | 09/14/1982 |
| 4349485 | Catalytic aromatic carbonate process using manganese tetradentate redox co-catalysts An enhanced catalytic aromatic carbonate process which comprises contacting a phenol, carbon monoxide, an oxidant, a base, the Group VIIIB element selected from ruthenium, rhodium, palladium, osmium, iridium or platinum, and a manganese tetradentate redox... | 09/14/1982 |
| 4347429 | High capacity corrosion and erosion resistant electrodes for AC electrode boilers An electrode boiler containing an aqueous electrolyte is provided with a pair of spaced electrodes immersed in the electrolyte and connected to an AC power source. Each electrode comprises an electrically conductive metal substrate having adhered to one f... | 08/31/1982 |
| 4345010 | Electrolyte for secondary electrochemical cell An electrolyte solution consisting essentially of butylated hydroxytoluene in an amount of about 1.5% by weight to less than 4% by weight of a solution of 1,3-dioxolane and a lithium salt is used as an electrolyte in a secondary electrochemical cell where... | 08/17/1982 |
| 4341849 | Sodium resistant sealing glasses and sodium-sulfur cells sealed with said glasses Sodium resistant sealing glasses have aluminoborate glass compositions in which glass stability is improved by the incorporation of specific mixtures of modifying alkali earth oxides of calcium oxide, strontium oxide and barium oxide. These modifying alka... | 07/27/1982 |
| 4338144 | Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen Silicon-iron sheet products having good magnetic properties can be produced from low nitrogen alloy sheet material by heating in a nitrogen-bearing hydrogen atmosphere to a temperature sufficient to effect secondary recrystallization and thereafter heatin... | 07/06/1982 |
| 4334050 | Arene polysulfonyl halide coupled block polymers of polyphenylene oxide and aromatic polyformals Linear arene polysulfonyl halide coupled block polymers of polyphenylene oxides and aromatic polyformals. These block polymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.... | 06/08/1982 |
| 4334165 | Copper-steel composite commutator bar An electrical commutator having a plurality of spaced apart commutator bars is disclosed. The commutator bars are formed from a composite of an electrically conductive copper portion bonded, for example by brazing or electron beam welding, at an interface... | 06/08/1982 |
| 4329496 | Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) A method is provided for converting aromatic bis(ether N-organo substituted phthalimides) to aromatic bis(ether anhydrides) by heating a bisphasic aqueous-organic mixture of aromatic bis(ether N-organo substituted phthalimide), phthalic anhydride and an e... | 05/11/1982 |
| 4329292 | Continuous method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) A method is provided for continuously converting aromatic bis(ether N-organo substituted phthalimides) to aromatic bis (ether anhydrides) by heating a biphasic aqueous-organic mixture of aromatic bis(ether N-organo substituted phthalimide), phthalic acid ... | 05/11/1982 |
| 4328080 | Method of making a catalytic electrode A catalytic electrode is produced by sputter etching the surface of a conductor with ions of an inert gas to remove oxide therefrom and introduce disorder into the surface making it chemically reactive and depositing a catalytic metal on the etched surfac... | 05/04/1982 |
| 4326017 | Positive electrode for lead acid battery A positive electrode for use in a lead-sulfuric acid electrolyte battery comprised of a grid supporting a layer of PbO2, said grid being comprised of an electrically conducting substrate having an adherent, contacting, at least substantially pi... | 04/20/1982 |
| 4324848 | Positive electrode for lead acid battery A positive electrode for use in a lead-sulfuric acid electrolyte battery comprised of a grid supporting a layer of PbO2, said grid being comprised of an electrically conducting substrate having an adherent protective at least substantially pinh... | 04/13/1982 |
| 4324760 | Hydrogen detector A hydrogen detector comprised of a substrate supporting an electrically conducting base metal film, an electrically conducting top film of metal able to dissociate hydrogen into atomic form, a polycrystalline film of titanium dioxide sandwiched between th... | 04/13/1982 |
| 4324761 | Hydrogen detector A hydrogen detector comprised of a substrate supporting an electrically conducting base metal film, an upper electrically conducting duffusion barrier metal film, a polycrystalline film of titanium dioxide sandwiched between the base and diffusion barrier... | 04/13/1982 |
| 4321356 | Transesterification process utilizing as a reactant bis(ortho-haloaryl)carbonates A polycarbonate transesterification process comprising reacting a bis(ortho-haloaryl)carbonate and a dihydric phenol under transesterification reaction conditions.... | 03/23/1982 |
| 4316938 | High density carbon adsorbent composite Adsorbent composite composed of a high density substrate particle which is non-reactive under conditions of use and which is encapsulated with adherent activated carbon.... | 02/23/1982 |
| 4316385 | Fingerprinting crystals A smooth surface of a diamond or cubic boron nitride crystal is bombarded with ions sufficiently to penetrate the surface and impart an ion implanted region in the crystal in a predetermined pattern, the resulting crystal is charged electrostatically, and... | 02/23/1982 |
| 4316981 | Polycarbonate transesterification An improved transesterification process wherein a bis(ortho-nitroaryl)carbonate and a dihydric phenol are reacted to form a polycarbonate under transesterification reaction conditions, the improvement comprising the use of a hypernucleophilic base.... | 02/23/1982 |
| 4310656 | Polycarbonate transesterification An improved polycarbonate transesterification process comprising reacting mixtures of bis(ortho-haloaryl)carbonate/-ortho-haloaryl aryl carbonate and a dihydric phenol under transesterification reaction conditions.... | 01/12/1982 |
| 4310393 | Electrochemical carbonate process An electrochemical catalytic carbonate process consisting essentially of contacting an alcohol, carbon monoxide, a Group VIIIB catalyst, an electrolyte containing a chloride, bromide or iodide, and a direct electric current.... | 01/12/1982 |
| 4308299 | Lithiated nickel oxide A mixture of particulate NiO, a suitable source of Li.sym. cation and an alkali chloride salt solvent is heated to melt the chloride solvent in which the source of Li.sym. cation dissolves along with a portion of the NiO particles ... | 12/29/1981 |
| 4307212 | Curable epoxy resins Curable epoxy resin compositions which exhibit controllable cure rates are described which utilize catechol derived accelerators in combination with certain curing agents. These accelerators can be employed in single package curable epoxy resin compositio... | 12/22/1981 |
| 4307138 | Sintered ion-conductive composite electrolyte of beta-alumina and beta"-alumina A composite beta, mainly beta"-alumina article is described which comprises a first layer of beta-alumina, a second layer of mainly beta"-alumina adhering securely to the first layer, and the first layer consisting of 1 to 15 percent thickness of the tota... | 12/22/1981 |
| 4307213 | Curable epoxy resin compositions Diesters of catechol and ring substituted catechol exhibit enhanced characteristics as accelerators in the cure of epoxy resins when utilized in combination with a cure initiator, such as an oxygen titanate or zirconate.... | 12/22/1981 |
| 4300947 | Mechanically alloyed powder process An improved process for the preparation of oxidation and corrosion resistant cobalt, iron, or nickel-based alloy powders from a plurality of constituents in powdered form, by high energy mechanical alloying in an attritor-type mill, wherein at least one c... | 11/17/1981 |
| 4297459 | Curable epoxy resins Curable epoxy resin compositions which exhibit controllable cure rates and extended storage life are described which utilize allylethers of catechol as accelerators in combination with certain curing agents. These accelerators can be employed in single pa... | 10/27/1981 |
| 4297458 | Curable epoxy resins Curable epoxy resin compositions which exhibit controllable cure rates and extended storage life are described which utilize silyl ethers of catechol as accelerators in combination with certain curing agents. These accelerators can be employed in single p... | 10/27/1981 |
| 4297457 | Curable epoxy resin composition Aryl esters exhibit enhanced characteristics as accelerators in the cure of epoxy resins when utilized in combination with a cure initiator, such as an organic titanate or zirconate.... | 10/27/1981 |
| 4292076 | Transverse ductile fiber reinforced eutectic nickel-base superalloys A unidirectionally solidified anisotropic metallic composite body exhibiting improved high temperature ductility and strength properties comprising a nickel-base refractory-metal-monocarbide-reinforced eutectic superalloy containing boron.... | 09/29/1981 |
| 4284430 | Cyclic oxidation resistant transverse ductile fiber reinforced eutectic nickel-base superalloys A unidirectionally solidified anisotropic metallic composite body exhibiting transverse ductility, cyclic oxidation resistance, hot corrosion resistance and high temperature strength properties comprising a eutectic nickel-base superalloy containing about... | 08/18/1981 |
| 4281088 | Novel halobisphenolethylene polycarbonate-polyester blends This invention is concerned with a new class of halobisphenolethylene polycarbonate-polyester blends. More particularly, the invention is concerned with halobisphenolethylene polycarbonate-polyester blends which exhibit enhanced physical and/or chemical p... | 07/28/1981 |
| 4268429 | Novel flame retardant polycarbonate compositions This invention is concerned with a new class of flame retardant polycarbonate compositions. More particularly, the invention is concerned with admixtures of an aromatic polycarbonate and a flame retardant additive combination consisting of a halogenated o... | 05/19/1981 |
