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| Number | Title | Issue Date |
| 6887551 | Anchoring system and snap-fit methodology for erosion resistant linings A tile anchoring system for use in reactors and other furnace like equipment which involves the use of a tile that contains various internal parts. According to the various embodiments of the present invention, the tile is formed as more than one part. In the presen... | 05/03/2005 |
| 5451333 | Haze resistant dispersant-detergent compositions According to the present invention, oleaginous compositions having improved stability are provided, wherein high molecular weight ashless dispersants and metal detergents are pre-blended at a temperature of at least 100° C. for a period of from 1 to 10 h... | 09/19/1995 |
| 5282991 | Friction modified oleaginous concentrates of improved stability According to the present invention, oleaginous compositions having improved storage stability properties are provided, which comprise a combination of ashless dispersants, friction modifier and oil-soluble copper antioxidants, wherein the composition is s... | 02/01/1994 |
| 4841967 | Positioning device for percutaneous needle insertion This invention is directed to a device for accurately positioning needles for percutaneous insertion which comprises the elements of a base having a vertically disposed support member at one end thereof, a plate rotator, a needle holder, a tilt angle adju... | 06/27/1989 |
| 4834034 | Internal combustion engines The present invention relates to an internal combustion engine cylinder assembly comprising a cylinder having substantially vertically disposed interior walls defining a firing chamber therein; piston means housed within the firing chamber and adapted for... | 05/30/1989 |
| 4683845 | Two-piston internal combustion engine (JV-2) An internal combustion engine cylinder assembly comprising a first elongated cylinder having substantially vertically disposed interior walls defining an elongated firing chamber therein; first piston means housed within the firing chamber and adapted for... | 08/04/1987 |
| 4682570 | Internal combustion engine (JV-1) An internal combustion engine cylinder assembly comprising an elongated cylinder having substantially vertically disposed interior walls defining an elongated firing chamber therein; piston means housed within the firing chamber and adapted for vertical r... | 07/28/1987 |
| 4640272 | Springless diaphragms and method of producing same The present invention provides a springless diaphragm which is adapted to be inserted into a vaginal vault for birth control and which comprises a resilient rim member composed of a first flexible material, and a dome member which is composed of a second ... | 02/03/1987 |
| 4616667 | Tooth cleaning implement An improved hand held dental instrument adapted for cleaning teeth is provided which, in its preferred form, comprises an elongated shaft and an angularly projected head, the head being provided with a longitudinal groove in the head's upper planar surfac... | 10/14/1986 |
| 4613923 | Dielectric fluid 1-phenyl-1-tetrahydronaphthyl-ethane or an alkyl-substituted derivative thereof is useful as dielectric fluid in capacitors and undersea power cables having low flammability, high aromaticity and high density.... | 09/23/1986 |
| 4592903 | Low severity hydrocarbon steam reforming process In a process for producing ammonia which comprises: (a) primary catalytically reforming at super atmospheric pressure in a direct-fired primary reforming zone, a hydrocarbon feedstock with steam to produce a gas containing carbon oxides, hydrogen and meth... | 06/03/1986 |
| 4582912 | Process for preparing carboxylic anhydride using improved catalysts In accordance with the process of this invention, an improved catalyst for molecular oxidation of a hydrocarbon to form the corresponding carboxylic anhydrides is prepared by the steps of (a) forming a catalyst precursor by depositing on titanium dioxide ... | 04/15/1986 |
| 4582911 | Molecular oxidation of aromatic hydrocarbons to the corresponding anhydrides using an improved catalyst In accordance with the process of this invention, an improved catalyst for molecular oxidation of an aromatic hydrocarbon to form the corresponding aromatic carboxylic anhydrides is prepared by the steps of forming a catalyst precursor by depositing on ti... | 04/15/1986 |
| 4575568 | Removal of phenols from water In a process for purification of wastewater streams containing phenolic impurities wherein the wastewater stream is contacted with an ether extraction solvent for the extractive removal of the phenolic impurities, to form an ether extract phase containing... | 03/11/1986 |
| 4569925 | Process for preparing a vanadium phosphorus oxygen catalyst composition by an organic solution method A process for preparing a vanadium, phosphorus oxygen containing catalyst composition capable of partially oxidizing hydrocarbons (e.g., n-butane) to form a carboxylic anhydride (e.g., maleic anhydride), and a process for using this catalyst to form such ... | 02/11/1986 |
| 4560804 | Catalytic process for the manufacture of ketones An improved process is provided for forming ketones from the corresponding olefins by vapor phase oxidation of the olefin in the presence of water vapor, and optionally in the additional presence of molecular oxygen employing a heterogeneous catalyst comp... | 12/24/1985 |
| 4551556 | Process for producing carbonyl compounds The invention relates to a process of producing a carbonyl compound by dehydrogenating a linear aliphatic alcohol of 1 to 6 carbon atoms in the gas phase in the presence of a solid catalyst comprising a ruthenium catalyst supported on a carrier such as zi... | 11/05/1985 |
| 4545976 | Hydrocarbon steam reforming using series steam superheaters In a process for steam reforming of a hydrocarbon gas feedstream wherein: (a) the hydrocarbon gas feedstream is partially reformed at elevated temperatures in indirect heat exchange with hot combustion gases in a direct fired primary reforming furnace pro... | 10/08/1985 |
| 4544390 | Cryogenic production of ammonia synthesis gas An improved cryogenic separation process is provided for forming a substantially CO-free and lower hydrocarbon-free hydrogen-rich gas, suitable for use in producing an ammonia synthesis gas, from a hydrogen-containing gas stream also containing carbon mon... | 10/01/1985 |
| 4543420 | Pyromellitate plasticizers and vinyl chloride According to the present invention, novel pyromellitate plasticizers are provided which comprise members selected from the group consisting of compounds of the formula (I): ##STR1## wherein R1, R2, R3 and R4 | 09/24/1985 |
| 4538010 | Alcohol recovery process According to the process of this invention, saturated mono-alcohols are recovered from solutions containing such mono-alcohols together with a carboxylic acid extraction solvent therefor by passing the mono-alcohol solution to an alcohol vaporization zone... | 08/27/1985 |
| 4532294 | Superior high solids coatings According to one aspect of the present invention, an improved method for preparing acrylic copolymer resins is provided in which the polymerization solvent comprises an alkanoic acid alkyl ester having a total of from about 7 to 12 carbon atoms per molecu... | 07/30/1985 |
| 4528401 | Catalytic process for the manufacture of ketones An improved process is provided for forming ketones from the corresponding olefins in the vapor phase in the presence of water vapor employing a heterogeneous catalyst comprising a molybdenum disulfide catalyst formed by the thermal decomposition of a thi... | 07/09/1985 |
| 4518574 | Catalytic gas synthesis process The present invention is generally directed to an improved process and apparatus for the production of gaseous products such as ammonia by catalytic, exothermic gaseous reactions and is specifically directed to an improved process which utilizes a gas-pha... | 05/21/1985 |
| 4507035 | Impact resistant assembly An impact resistant assembly is provided which comprises a longitudinal, molded shaft composed of a thermoplastic material and having screw threads at one end thereof and a planar head plate at the opposite end. Adjacent to the head plate is an upper cyli... | 03/26/1985 |
| 4501868 | Superior solvent blends for synthesis of acrylic resins for high solids coatings According to the present invention, an improved method for providing acrylic copolymer resins is provided in which the polymerization solvent comprises a blend of methyl isobutyl ketone and certain alkyl-substituted benzene solvents. The monomers comprise... | 02/26/1985 |
| 4471142 | Process for producing isopropyl alcohol and di-isopropyl ether An improved process for indirect hydration of propylene to form di-isopropyl ether and isopropyl alcohol is provided in which propylene is absorbed in sulfuric acid to form an extract which is withdrawn from the absorbing zone; water in carefully controll... | 09/11/1984 |
| 4426541 | Process for production of aliphatic alcohols Aliphatic alcohols are produced by an improved hydrogenation of the corresponding saturated aliphatic aldehydes in the presence of organo-sulfur impurities by partially hydrogenating the aldehydes in a first hydrogenation zone in the presence of a sulfide... | 01/17/1984 |
| 4419195 | Electrolytic recovery of cobalt oxo catalysts According to one embodiment of the improved process of this invention, dicobalt octacarbonyl is produced in liquid medium by subjecting an aqueous solution of a tetracarbonylcobaltate salt in the presence of a solvent for dicobalt octacarbonyl to an exter... | 12/06/1983 |
| 4409191 | Integrated cyclic scrubbing and condensate stripping process for the removal of gaseous impurities from gaseous mixtures A process for removing acid gases such as CO2 and H2 S from gas streams using a cyclic aqueous alkaline scrubbing solution which is circulated between an absorption and regeneration stage is disclosed. This process is improved by int... | 10/11/1983 |
| 4406760 | Electrolytic process for treating sulfuric acid streams An improved process is provided for treating spent sulfuric acid streams formed in the catalytic hydration of olefins to prepare alcohols, wherein the spent acid stream containing organo-sulfonic acid impurities is treated in an electrolysis zone under co... | 09/27/1983 |
| 4404119 | Process for recovery of cobalt oxo catalysts According to one embodiment of the improved process of this invention, dicobalt octacarbonyl is produced in an olefinic medium by contacting an aqueous solution of a tetracarbonylcobaltate metal salt with an oxygen-containing gas in the presence of an ole... | 09/13/1983 |
| 4401834 | Process for producing alcohols An improved process for producing alcohols which comprises passing a demetalled hydroformylation liquid effluent comprising aldehyde and alcohol and containing acetal impurities to a thermal treatment zone; subjecting the demetalled hydroformylation efflu... | 08/30/1983 |
| 4400299 | Oxidative recovery of cobalt oxo catalysts According to one embodiment of the improved process of this invention, dicobalt octacarbonyl is produced in an olefinic medium by contacting an aqueous solution of a tetracarbonylcobaltate metal salt with an oxygen-containing gas in the presence of an ole... | 08/23/1983 |
| 4290959 | Preparation of propylene oxide An improved process for preparing propylene oxide is provided in which propylene is oxidized by means of a thallic salt in the presence of aqueous media containing an alkanoic acid having at least seven carbon atoms and optionally in the presence of an or... | 09/22/1981 |
| 4271090 | Novel 2-bromoethyl tellurium bromides The novel bis (2-bromoethyl) tellurium dibromide and 2-bromoethyl tellurium tribromide are prepared by reacting ethylene with a source of tellurium tetrabromide in an inert, non-basic organic solvent under certain temperature conditions and in the substan... | 06/02/1981 |
| 4266070 | Catalytic process for the manufacture of urethanes A process for the production of urethanes is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide and an organic compound containing at least one hydroxyl gro... | 05/05/1981 |
| 4263448 | Process for oxidation of hydrocarbons An oxidizable hydrocarbon is oxidized in a reaction zone at elevated temperature in the presence of a liquid reaction medium by introducing the hydrocarbon and a feed stream containing molecular oxygen to the reaction zone under conditions sufficient to o... | 04/21/1981 |
| 4260781 | Process for the manufacture of carbamates A process for the production of carbamates is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide, an organic compound containing at least one hydroxyl group... | 04/07/1981 |
| 4258201 | Process for the manufacture of carbamates A process for the production of carbamates is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide, an organic compound containing at least one hydroxyl group... | 03/24/1981 |
