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Patent # Description
US-4,972,821 Automotive fuel vaporization system for better fuel economy and environmental quality having fire retarding...
For better automotive fuel economy and environmental quality in an engine, a mixture heating chamber is attached to an engine exhaust manifold. A U-shaped air...
US-D312,404 End closure for container with integral opener
US-4,972,014 Polyacetal compositions containing a non-meltable polymer stabilizer improved with at least one...
Incorporation into polyacetal molding compositions stabilized with a non-meltable polymer stabilizer of 0.02-1.0 weight percent of at least one amide-containing...
US-4,971,075 Surgical kit and method for tendon repair
A method and kit for tendon repair and two variations thereof using double loop locking sutures in disclosed. A pair of loop locking sutures are formed in each...
US-4,970,334 Process for preparing esters of unsaturated alcohols
A process for the catalytic dehydration of saturated 2,2,4-trisubstituted glycol monoesters at elevated temperatures to unsaturated 2,2,4-trisubstituted...
US-4,969,964 Heat treatment method for reducing polythionic acid stress corrosion cracking
A heat treatment of alloy 617 generally including 732.degree. C.-927.degree. C. (1350.degree. F.-1700.degree. F.) for about one hour. The resultant discontinuous...
US-4,969,942 Glass melter exhaust duct cleaning method and apparatus
Deposits of glassmaking materials are removed from an exhaust duct by periodic blasts of air from a plurality of nozzles mounted in the duct. The arrangement...
US-4,969,691 Method and apparatus permitting beltway advance in a mining scheme
In a mining scheme, a mobile continuous haulage system follows a miner and transports material onto a floor mounted beltway. The beltway supports a roadway on...
US-4,969,570 Protective ring for use on open friction lid containers
A protective thing for friction-fit container closures is disclosed, comprising a disposable annular ring provided with an annular bead about its lower surface...
US-4,969,553 Belt scraper with gear adjustment
A belt scraper which has first and second pairs of scraper support arms as well as first and second actuator arms for each of the support arms, and includes a...
US-4,968,748 Thermoplastic blend of polyphenylene ether polystyrene, hydrogenated block copolymer polyacrylate
The invention provides thermoplastic blends of a polyphenylene ether, a polystyrene, a substantially hydrogenated styrene-butadiene block copolymer, and a...
US-4,967,041 Floor box for access floors
Cable management system for flush floor fitting. The fitting has a retainer opening (adapted to pass cable) in communication with the normal access opening. The...
US-4,966,950 Oriented polymeric tape
Oriented polymeric tape of a blend of copolyetherester and polyethylene terephthalate characterized by excellent fray resistance, and a process for its preparation.
US-4,965,972 Combined deck unit and cellular raceway
A combined deck and cellular raceway unit. The deck has at least a pair of parallel extending crests, each with a top member and a pair of webs together with a...
US-4,963,745 Octane measuring process and device
The near infrared absorbance of the methyne band measures octane (pump, RON, and MON) with excellent correlation and can be used for gasoline blending. The...
US-4,963,637 Acid containing isocyanate-terminated prepolymers, salt prepolymers and polymers thereof
The present invention is directed to novel isocyanate-terminated prepolymers of carboxylic acid grafted polyethers, salts of these prepolymers and fully reacted...
US-4,963,620 Polyphenylene ether-polyamide blends
Thermoplastic blend compositions comprise a polyphenylene ether resin, a polyamide resin and a compatibilizing agent present in an amount sufficient to effect...
US-4,963,609 Low smoke and flame-resistant composition
A low smoke and flame-resistant fluoropolymer composition, useful as insulation in a plenum cable and comprised of a base polymer of ethylene units,...
US-4,963,399 Polyurethane foam with low vinyl-staining tendencies
This invention relates to a process for the manufacture of polyurethane foams which exhibit a reduced tendency to stain vinyl films with which they are in...
US-4,963,138 Neo-natal net
A neo-natal safety net for selective connection between a delivery table and an attending obstetrician, or between a delivery table and a neo-natal table,...
US-D311,271 Combined glove and watch
US-4,962,085 Production of oxidic superconductors by zone oxidation of a precursor alloy
Discloses a process for producing oxidic superconductors having advantageously textured oxide structures which involves zone oxidizing elongated metallic...
US-4,962,084 Production of oxidic superconductor precursors
A process for producing an oxidic superconductor precursor alloy which comprises mechanicallly allowing metallic elemental constituents of the oxidic...
US-4,961,818 Process for producing single crystals
A process for producing a single crystal object made of a nickel-base, O.D.S., gamma prime strengthened alloy which involves diffusion bonding a seed crystal to...
US-4,961,722 Conical screen for a vertical centrifugal separator
A vertical centrifugal separator, for example of the type used to dry coal, is improved by splitting the frustoconical screen into two pieces and including...
US-4,961,563 Tundish for ingot pouring
A tundish system for teeming an entire heat from a furnace into a mold. The tundish includes a plurality of chambers; one chamber including a nozzle. The...
US-4,960,942 Process for the manufacture of N-(polyoxyalkyl)-N-(alkyl)amines
The present invention provides a novel process for manufacturing N-(polyoxyalkyl)-N-(alkyl) amines. The process is characterized by reacting a polyetheramine in...
US-4,960,459 Method for surface activation of water atomized powders by pickling
A method for pickling and consolidating water atomized metallic powders to reduce surface oxides. The technique includes introducing the powder into an acid...
US-4,958,060 Clad metal electrode
A clad metal electrode having a core, a sleeve and a consolidated metal powder therebetween bonding the sleeve to the core. The clad metal electrode is...
US-4,957,944 Urethane catalysts
Certain dimethylamino alkyleneoxy isopropanols obtained by propoxylation of dimethylamino alkanols and ethers is used as a catalyst for preparing polyurethane foam.
US-4,957,405 Apparatus for mining
An apparatus using a miner, tramming conveyor and cart-type belt system wherein the system has a plurality of interconnected rail mounted carts having a lower...
US-4,956,497 Phenylene ether resin based thermoplastic compositions
A thermoplastic composition is provided which comprises a phenylene ether resin, a preformed, two-phase rubber modified, high impact vinyl aromatic resin, and a...
US-4,956,427 Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins
A method for the prevention of fouling of metallic surfaces exposed to reactive alpha-olefin gases during the production of polymeric resins which comprise...
US-4,956,426 Process for controlled polymerization of stereospecific alpha-olefins having preselected isotacticity
A method and system for regulating the isotacticity of polypropylene in a continuous process for manufacturing polypropylene by the polymerization of...
US-4,956,422 Blends of polyphenylene ether and modified polyesters
Thermoplastic blend compositions comprise polyphenylene ethers blended with modified polyesters. The modified polyesters comprise linear polyesters, such as...
US-4,956,236 Unoriented monofilament with multilobed core
Coextruded, substantially unoriented monofilament having a multi-lobed core and a round sheath.
US-4,955,942 In-bed tube bank for a fluidized-bed combustor
An in-bed tube bank (10) for a fluidized bed combustor. The tube bank (10) of the present invention comprises one or more fluid communicating boiler tubes (30)...
US-D310,474 Retractable double blade knife
US-4,954,665 Methanol homologation
Process for production of ethanol at high efficiency, selectivity and conversion rate by the homologation reaction of methanol and carbon monoxide and hydrogen...
US-4,954,561 Stabilizers for polymer/polyols
A stabilizer made by reacting a N-(polyoxyalkyl)-N-(alkyl)amine and a bifunctional unsaturated monomer and its use in the preparation of polymer polyols.
US-4,954,560 Stable polymer/polyols made without macromonomer
A stable polymer polyol made by the in situ polymerization of two or more monomers in a polyol blend wherein at least one monomer is a bifunctional compound...
US-4,954,199 Two component polyurethane adhesive
The present invention is related to a structural member comprising a laminate and an adhesive where said adhesive is the reaction product of (a) 100 parts by...
US-4,954,052 Wave powered pump
A land and water transportable apparatus positionable in a body of water for extracting energy from wave action in the body of water, is disclosed, comprising a...
US-4,953,914 Mining machine with roof bolting apparatus
A mining machine includes a frame with a material dislodging head mounted on the end of the frame. Ground engaging tracks propel the machine within a mine along...
US-4,953,135 Dry blending with fibers
Disclosed is a method and apparatus for avoiding the clumping of dry fibers having diameters and lengths in certain ranges during blending of such fibers into a...
US-4,952,745 Control ACR product yields by adjustment of severity variables
Improved operation of the ACR process is achieved by regulating the reactions within a small area in the combustion feedstock mixing zone, "Scorch Zone", by the...
US-4,952,636 Modified polytetrafluoroethylene resins and blends thereof
Dispersion-process-produced, non-melt-processible, particulate, core-shell, tetrafluoroethylene copolymer comprising recurring units of tetrafluoroethylene and...
US-4,952,630 Modified polytetrafluoroethylene resins and blends thereof
Dispersion-process-produced, non-melt-processible, particulate, core-shell, tetrafluoroethylene copolymer comprising recurring units of tetrafluoroethylene and...
US-4,952,542 Process for the production of alkylene carbonate and recovery of catalyst
Cyclic alkylene carbonates are produced by the homogeneous catalytic reaction of alkylene oxides with carbon dioxide during which process, polyglycols are...
US-4,952,461 Composite-coated flat-rolled steel can stock and can product
Composite-coated flat-rolled steel can stock processing and product for fabrication of drawn one-piece cup-shaped work product or can end walls. Single or...
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