Quotables
"The man with a new idea is a crank until the idea succeeds."
Samuel Clemens
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4508787 | Imidized surface protection for maleic anhydride interpolymer articles A protective coating which is resistant to attack by basic solutions is formed from interpolymers containing maleic anhydride (MAH). An article is coated with a solution of the dissolved ammonium or amine salts of the MAH interpolymer, or if the article i... | 04/02/1985 |
| 4426342 | Process for tableting fine powders Halogenated hydrocarbons, such as perchloroethylene, are applied to fine powders, such as metal oxides, in the absence of binders to improve the flow and tableting properties of the powders.... | 01/17/1984 |
| 4424135 | Emulsifier system for the tertiary recovery of oil In an emulsifier system for the tertiary recovery of oil comprising a surfactant and an alcohol cosurfactant, improved results are achieved if the alcohol cosurfactant is composed of a mixture of alcohols having no more than 12 carbon atoms.... | 01/03/1984 |
| 4423023 | Process for the production of hydrocyanic acid from carbon monoxide and ammonia A process for producing HCN by contacting CO and NH3 with a catalyst comprising a porous catalyst support, a Group VIII metal which is at least one of Fe, Ni, Co and Ru, and carbon, wherein the metal is disposed on the pore surfaces of the supp... | 12/27/1983 |
| 4422303 | Process for cooling a continuously moving material to a predetermined temperature A continuously controlled process for cooling a material to within a desired temperature range as the material moves along a path, especially suitable for situations in which the amount of material being cooled is unknown. The material is first contacted ... | 12/27/1983 |
| 4421865 | Selective hydrogen-deuterium interchange using ion exchange resins A method of obtaining deuterated compounds from compounds having an abstractable proton comprises contacting the proton-containing compound with a porous ion exchange resin which contains at least some deuterons. The reverse process of substituting proton... | 12/20/1983 |
| 4416690 | Solid matte-oxygen converting process Copper sulfide ores are processed by a unique series of steps to produce blister copper, while attaining long sought advantages. An initial smelting step is carried out in any desired manner, e.g. according to conventional practice, to produce a molten, c... | 11/22/1983 |
| 4415520 | Tie layer for co-extruded acrylonitrile copolymers A process for producing a laminate by bonding together in a molten state (I) a first outer layer composed of a nitrile barrier resin, (II) a tie layer comprising a mixture of (1) a nitrile barrier resin, and (2) a halogenated polyolefin and (3) a thermopl... | 11/15/1983 |
| 4415474 | Catalysts useful for the polymerization of alpha-olefins This invention relates to novel catalysts and to the use of these catalysts in a process for the polymerization of alpha-olefins. The catalysts comprise a transition metal compound and an organo metallic aluminum activator of the following structure: ... | 11/15/1983 |
| 4415406 | Chemical etching of polymers for metallizing The surfaces of polymer articles are conditioned for metallizing by treatment with an etching solution composed of a mixture of sulfuric acid and a carboxylic acid, such as formic or acetic acid.... | 11/15/1983 |
| 4412847 | Motor fuel additive Aryl ethers, e.g., cumylmethylether and anisole, are particularly effective additives for improving the octane number of motor fuels. These aryl ethers are especially useful in increasing the octane number of unleaded gasolines.... | 11/01/1983 |
| 4412061 | Process for the preparation of a polyamide from unsaturated nitrile, lactam and water This invention relates to a new process for preparing a copolyamide comprising polymerizing an alpha, beta-unsaturated nitrile and water with a molar excess of a lactam. In one embodiment, acrylonitrile, water and caprolactam are polymerized to form a nyl... | 10/25/1983 |
| 4411745 | Electrolytic initiation of polymerization in aqueous two-phase systems Ethylenically unsaturated monomers are polymerized by an indirect process which electrolytically initiates the polymerization. The indirect electrolytic polymerization process utilizes a free radical initiator and an electron transfer agent in a two-phase... | 10/25/1983 |
| 4410752 | Process for the oxydehydrogenation of ethane to ethylene The invention herein is directed toward a process for the oxydehydrogenation of ethane in fixed-bed or fluid-bed reactors at temperatures of less than about 600° C. The process includes the step of contacting ethane and an oxygen-containing gas with a ca... | 10/18/1983 |
| 4410659 | Manufacture of rubber modified copolymers in an extruder type reactor A process for the impact modification of a plastic with a rubbery polymer to form a thermoplastic resin in a reactor extruder is provided. The process includes the steps of dissolving a rubbery polymer in at least one ethylenically unsaturated monomer to ... | 10/18/1983 |
| 4410448 | Method for controlling the change in the crush strength of a catalyst particle during finishing calcination The change in the crush strength of a catalyst particle as it is transformed from a catalyst precursor to a finished catalyst by calcination is controlled by the method comprising: 1. Preparing a catalyst precursor containing at least one metal element, 2. Adj... | 10/18/1983 |
| 4408071 | Process for the production of carboxylic acids Aldehydes, such as acetaldehyde, are oxidized to carboxylic acids, such as acetic acid, by contacting the aldehyde with oxygen at oxidative conditions in the presence of a catalyst of the empirical formula where M is at least one of K, Rb, Cs and Tl; M' is at ... | 10/04/1983 |
| 4407661 | Motor fuel additives derived from shale oil The octane number of unleaded gasoline is improved by the addition of a mixture of etherified phenols obtained from crude shale oil.... | 10/04/1983 |
| 4405777 | Preparation of a polyamide from lactam, ammonium salt of unsaturated acid and unsaturated nitrile This invention relates to a new process for preparing a copolyamide comprising polymerizing an alpha, beta-unsaturated nitrile and water with a molar excess of a lactam. In one embodiment, acrylonitrile, water and caprolactam are polymerized to form a nyl... | 09/20/1983 |
| 4405547 | Method of coextruding diverse materials The coextrusion device (20) of the present invention can be used with conventional extruders (24-26) and extrusion dies (90) for forming layered products (91) from at least two materials. It includes a manifold (21) for receiving a plurality of extruded f... | 09/20/1983 |
| 4402841 | Extended service 5W-40 motor oil An extended drain 5W-40 motor oil composition for internal combustion engines comprises a base oil component of one or more solvent extracted mineral oils and a high refractory mineral oil, a V.I. improver, and preferably other suitable lube oil additives... | 09/06/1983 |
| 4401163 | Modified in situ retorting of oil shale Hot retorting gas for pyrolysis of kerogen in a bed of rubblized oil shale is supplied by a pressure pulsing technique.... | 08/30/1983 |
| 4400522 | Preparation of maleic anhydride The present invention provides a method for the preparation of oxidation catalysts containing mixed oxides of vanadium and phosphorus, which catalysts are particularly effective in the oxidation of n-butane, n-butenes, 1,3-butadiene or a mixture thereof w... | 08/23/1983 |
| 4400484 | Esters as processing aids for olefinic nitrile copolymers It has been found that the addition of small amounts of a benzoate or acetate ester of a polyfunctional hydroxy containing compound to an olefinic nitrile copolymer composition greatly increases the flowability and processibility of these thermoplastic co... | 08/23/1983 |
| 4400306 | Process for the preparation of fluidizable catalysts A process is provided for preparing supported catalysts by impregnating a pre-formed support with a solution of a metal alkoxide and contacting the impregnated support with a solution of at least one additional catalyst component. This process is particul... | 08/23/1983 |
| 4399203 | Sulfide and selenide compositions Novel sulfide, polysulfide, selenide and polyselenide compositions are provided which are useful as ionic conducting solid electrolytes. Electrical energy storage devices utilizing such electrolytes are also provided.... | 08/16/1983 |
| 4398039 | Hydrogenation of carboxylic acids A process is provided for the vapor phase hydrogenation of carboxylic acids to yield their corresponding alcohols in the presence of steam and a catalyst comprising the mixed oxides of ruthenium, at least one of cobalt, nickel, and optionally one of cadmi... | 08/09/1983 |
| 4396536 | Preparation of vanadium phosphorous catalysts using olefinic oxygenated media The present invention provides a process for the preparation of oxidation catalysts containing mixed oxides of vanadium and phosphorus, which catalysts are particularly effective in the oxidation of n-butane, n-butenes, 1,3-butadiene or a mixture thereof ... | 08/02/1983 |
| 4396535 | Preparation of mixed vanadium phosphorus oxide catalysts and their use in oxidative processes Vanadium phosphorus mixed oxide containing catalysts are prepared by sequentially forming an alpha-VOPO4 catalyst precursor in aqueous media, and thereafter partially reducing a portion of the vanadium to a valence state of +4 in an organic liq... | 08/02/1983 |
| 4394858 | Photochemical conversion and storage of light energy by endoergic isomerizations A process is provided for the capture and storage of radiant energy in highly strained carbon containing ring structures of isomerizable compounds. The process includes exposing a photocatalyst containing a compound of a metal selected from Re, Ir, Rh, Ru... | 07/26/1983 |
| 4393260 | Preparation of cyclohexenyl compounds Cyclohexenyl and alkenyl aromatic compounds, such as cyclohexene and styrene, are prepared by a process comprising contacting a corresponding cyclohexyl or alkyl aromatic carboxylic acid, such as cyclohexyl carboxylic acid or 2-phenyl propionic acid, with... | 07/12/1983 |
| 4393020 | Method for manufacturing a fiber-reinforced thermoplastic molded article Molded fiber-reinforced thermoplastic articles are prepared by a novel two-step process involving an in situ polymerization of monomers onto the fiber followed by compression molding of the product.... | 07/12/1983 |
| 4393192 | Crystalline copolymers prepared from N,N'-terephthaloyldi-beta-alanine and a glycol Novel water insoluble polyamide esters are prepared from dicarboxylic acid diamide derivatives of terephthalic acid and a glycol. In one embodiment, nearly perfectly alternating polyamide esters are prepared in the presence of antimony (III) acetate.... | 07/12/1983 |
| 4391756 | Organo-monovalent aurus complex catalysts for the manufacture of olefin oxides The present invention relates to the oxidation of monoolefins with molecular oxygen to the corresponding olefin oxides, in the liquid phase in the presence of a catalyst comprising an organo-monovalent aurous complex.... | 07/05/1983 |
| 4390652 | Nitrile barrier resins containing fillers and processing aids The physical properties of a nitrile barrier resin, particularly the tensile modulus, heat distortion temperature and processability, are improved by including therein a carboxylic acid processing aid and an alkaline filler material.... | 06/28/1983 |
| 4390639 | Upgrading synthesis gas A process for the upgrading of synthesis gas is provided wherein olefin and oxygenated hydrocarbons, particularly alcohol and carboxylic acid, products predominate. The process includes contacting synthesis gas at elevated temperature and pressure in the ... | 06/28/1983 |
| 4389334 | Supported catalysts useful for the polymerization of alpha-olefins This invention relates to a supported catalyst and to the use of this catalyst in a process for the polymerization of alpha-olefins. The catalyst comprises a transition metal complex supported on an interpolymer comprising an alpha, beta-unsaturated dicar... | 06/21/1983 |
| 4387768 | Modified in situ retorting of oil shale Rubblized oil shale beds to be processed by the modified in situ retorting technique are U-shaped so that the inlet end and outlet end of the bed communicate with a common channel.... | 06/14/1983 |
| 4382128 | Polyolefin grafted with polycarboxylic acid, ester or anhydride and modified with polyhydroxy compound Moldable polyolefin compositions exhibiting improved heat distortion and modulus characteristics, and a method of preparing such compositions are described. The method of preparing these polyolefin compositions comprises reacting (a) a graft-modified poly... | 05/03/1983 |
| 4381977 | Electrochemical maintenance of optimum catalytic activity in copper-catalyzed nitrile hydrolysis processes An electrochemical method is provided for maintaining the optimum activity of copper-containing catalysts for the production of amides from nitriles and water. Also provided is a process for producing amides from nitriles and water by hydrolysis.... | 05/03/1983 |
