Assignee: Suntech, Inc.

Location: Philadelphia, PA
No. of patents: 63

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Number	Title	Issue Date
4504672	Catalytic process for the conversion of toluene to equimolar amounts of phenyl acetate and methylene diacetate Equimolar amounts of phenol and formaldehyde may be prepared from oxygen and toluene. The catalytic oxidation of toluene, when carried out in the presence of acetic anhydride, forms phenyl acetate and methylene diacetate. Pyrolysis of these two intermedia...	03/12/1985
4388408	Coker feedstock analysis method A clarified slurry oil coker feedstock is subjected to absorption chromatography and ultraviolet light adsorptivity and the results are correlated to determine the suitability of the feedstock for electrode grade coke....	06/14/1983
4375361	Process for making a high octane fuel component A process for converting Udex raffinate to a high octane fuel component by mild, liquid phase oxidation to a product of moderate to low acidity, distilling off a neutral oxidate, esterifying the acidic residue to a neutral product and combining the neutra...	03/01/1983
4353792	Process to upgrade coal liquids by extraction prior to hydrodenitrogenation Oxygen compounds are removed, e.g., by extraction, from a coal liquid prior to its hydrogenation. As a result, compared to hydrogenation of such a non-treated coal liquid, the rate of nitrogen removal is increased....	10/12/1982
4338469	8-Methoxy-p-menthane In the acid-catalyzed etherification of olefins with alcohols, substantially complete recovery of alcohol and catalyst is obtained when small amounts of water (1-10%) are added to the reaction. The addition of water provides a two-phase reaction medium in...	07/06/1982
4338186	Shale oil process A process for converting the raffinate from an HCl-treated shale oil to a suitable feedstock for a hydrocracking reactor for making fuels from the raffinate by hydrotreating the raffinate and thereafter water quenching the hydrotreated product....	07/06/1982
4327021	PVC Plasticized with dicyclohexylbiphenyl and primary plasticizer In the process of plasticizing polyvinylchloride, the improvement of using dicyclohexylbiphenyl as a secondary plasticizer....	04/27/1982
4321153	Process of sulfurizing triglyceride and an olefin Process of sulfurizing a blend of 90 to 50 and preferably 88 to 70 parts by volume of triglyceride such as lard oil and 10 to 50 and preferably 12 to 30 parts by volume of an ethylenically unsaturated hydrocarbon containing 2 to 24 carbon atoms. The sulfu...	03/23/1982
4320032	Catalyst for hydrogenation of aromatic dinitriles In the process of hydrogenating an aromatic dinitrile to the corresponding di-primary amine in the presence of a catalyst, the improvement of using as catalyst a cobalt catalyst promoted with rhodium where the weight ratio of rhodium to cobalt is 1.0 or l...	03/16/1982
4306882	Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, one of said carbon partic...	12/22/1981
4306881	Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, said two carbon particles...	12/22/1981
4305729	Carbon slurry fuels A liquid composition suitable as a high performance fuel and having improved rheological and stability properties comprising a liquid hydrocarbon having carbon particles dispersed therein of at least two disparate particle sizes, one of said carbon partic...	12/15/1981
4297454	Manufacture of a block copolymer containing a polyetheramide and a polylactam A method for preparing a block copolymer of an ether free polylactam and a polyetheramide, e.g., poly(4,7-dioxadecamethylene adipamide) involves polymerizing a lactam, e.g., caprolactam, in contact with the polyetheramide. Resulting block copolymer has ut...	10/27/1981
4297206	Solvent extraction of synfuel liquids An improvement in the solvent extraction of nonhydrocarbons from a synfuel liquid, e.g., shale oil, involves that the extract from the extractor, rather than being recycled directly back to the extractor, is first hydrotreated. A further improvement invol...	10/27/1981
4292219	Latex-base paint containing 2-methoxy-2-phenyl propane or 8-methoxy-p-menthane In the acid-catalyzed etherification of olefins with alcohols, substantially complete recovery of alcohol and catalyst is obtained when small amounts of water (1-10%) are added to the reaction. The addition of water provides a two-phase reaction medium in...	09/29/1981
4288644	Process for isomerization of tetrahydrodimethyldicyclopentadiene Tetrahydrodimethyldicyclopentadiene is catalytically isomerized to a liquid isomeric mixture having a suitable low temperature viscosity making it suitable as a missile fuel. The catalyst comprises an acidic alumina. Hydrogen is also present and in an amo...	09/08/1981
4287162	Separation of ammonia from ammonia containing gases A process for the separation and recovery of substantially pure ammonia from its admixture with gases, particularly with gases containing carbon dioxide and gases obtained from the catalytic ammoxidation of hydrocarbons to the corresponding nitriles, by s...	09/01/1981
4278823	Hydrogenolysis of 2,5-norbornadiene saturated endo-endo hexacyclic dimer Hydrogenolysis of a saturated endo-endo dihydronorbornadiene hexacyclic dimer involves the use of a catalytic amount of a Group VIII metal and the presence of hydrogen. The resulting pentacyclic isomers can be used as a diluent for depressing the freezing...	07/14/1981
4273898	Block copolymer of polyetheramide and random copolymer of polyamide and polyetheramide A novel composition comprises a block copolymer of a polyetheramide, e.g., poly-(4,7-dioxadecamethylene adipamide) and a random copolymer resulting from the polymerization of an ether free polyamide precursor, e.g., hexamethylenediamine salt of adipic aci...	06/16/1981
4272362	Process to upgrade shale oil Oxygen compounds are removed, e.g., by solvent extraction, from a shale oil prior to its hydrogenation. As a result, the amount of hydrogen consumed during subsequent hydrogenation to achieve a given level of nitrogen for the shale oil is less than that w...	06/09/1981
4271089	Cyanoalkylation process In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated product such as 3,3'-ethylenedioxy-bis(propionitrile), the r...	06/02/1981
4271088	High selectivity cyanoalkylation process In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated product such as 3,3'-ethylenedioxybis(propionitrile), the co...	06/02/1981
4260808	Catalytic process for the conversion of toluene to equimolar amounts of phenol acetate and methylene diacetate Equimolar amounts of phenol and formaldehyde may be prepared from oxygen and toluene. The catalytic oxidation of toluene, when carried out in the presence of acetic anhydride, forms phenyl acetate and methylene diacetate. Pyrolysis of these two intermedia...	04/07/1981
4252549	Crystallization via porous tube heat transfer In crystallization units such as wax crystallization units where a scraped surface double pipe heat exchanger type chiller is used, the improvement of replacing the scraped surface chiller tube with a porous tube to provide positive flow of coolant throug...	02/24/1981
4248661	Label stripping apparatus During the labeling of a vial, mislabeling can occur. The unwanted label is cleanly and economically removed by forcing the vial through a novel collet-cutter. The cutter has at least two cutting edges and two slots. The slots permit expansion of the diam...	02/03/1981
4247478	Process and catalyst for hydrogenation of aromatic dinitriles In the process of hydrogenating an aromatic dinitrile to the corresponding di-primary amine in the presence of a catalyst, the improvement of using as catalyst a cobalt catalyst promoted with rhodium where the weight ratio of rhodium to cobalt is 1.0 or l...	01/27/1981
4237310	Co-oxidation of methyl benzenes and benzaldehyde to phenolics and formaldehyde The oxidation of methyl benzenes, such as toluene, with air or oxygen in the presence of acetic anhydride and sulfuric acid catalyst to form a phenolic acetate and methylene diacetate may be carried out under mild conditions when small amounts of benzalde...	12/02/1980
4237309	Method for the preparation of phenolic acetates and paraformaldehyde The oxidation of methyl benzenes with air or oxygen in the presence of acetic anhydride, benzaldehyde and an acid catalyst under mild reaction conditions yields a phenolic acetate and formaldehyde or paraformaldehyde when the ratio of acetic anhydride to ...	12/02/1980
4235821	Hydrogenation of aliphatic nitriles to primary amines In the process of hydrogenating aliphatic nitriles to primary amines whereby the nitrile is hydrogenated in a solvent system containing added ammonia using a cobalt or ruthenium catalyst, the improvement of employing an ether as solvent and carrying out t...	11/25/1980
4235714	Hydrophilic polyamide film for semipermeable membranes Semipermeable membranes useful in membrane separation processes are formed from a hydrophilic polyamide which is a block copolymer of nylon and a poly(dioxa-amide) such as poly(4,7-dioxadecamethylene adipamide)....	11/25/1980
4231858	Processing shale oil to jet fuel Whole crude shale oil is contacted with a suitable catalyst, e.g., cobalt molybdate on alumina, and hydrogen within a temperature range of about 600° F.-850° F. and a pressure range of about 200 psig-5000 psig until a substantial amount of nitrogen comp...	11/04/1980
4229612	Decolorization of norbornadiene dimers The removal of color bodies from an olefinic or saturated endo-endo hexacyclic homodimer of norbornadiene or mixtures thereof is accomplished by the use of a serpentine clay. Also acid bentonite clay or a montmorillonite clay can be used to remove the col...	10/21/1980
4227012	Oxidation of methyl benzenes in the presence of acetic acid and a dehydrating agent Oxidation of methyl benzenes with air or oxygen to form a phenolic acetate and formaldehyde or methylene diacetate may be carried out in the presence of acetic acid, phosphorus pentoxide, benzaldehyde and an acid catalyst. The resulting acetates may then ...	10/07/1980
4225735	Isomerization of the hydrogenated norbornadiene endo-endo hexacyclic dimer Isomerization of a liquid, saturated endo-endo norbornadiene hexacyclic dimer involves the use of a catalytic amount of acidic alumina or a montmorillonite. The resulting isomeric product is solid, at ambient temperature, and can be used as a missile fuel...	09/30/1980
4225728	Catalytic process for the conversion of ethyl benzene to equimolar amounts of vinyl acetate and phenol Equimolar amounts of vinyl acetate and phenol may be prepared by oxidation of ethyl benzene. The catalytic oxidation, of ethyl benzene, when carried out in the presence of acetic anhydride, forms phenyl acetate and ethylidene diacetate. Pyrolysis of these...	09/30/1980
4222961	Process for hydrogenating aromatic dinitriles A process for the hydrogenation of aromatic dinitriles to the corresponding cycloaliphatic aminomethyl compounds by (1) hydrogenating the nitrile in an ether solvent containing water and ammonia using nickel or cobalt as catalyst, (2) removing by-products from...	09/16/1980
4222800	Isomerization of endo-endo hexacyclic olefinic dimer of norbornadiene The endo-endo olefinic hexacyclic dimer of 2,5-norbornadiene is isomerized using an acidic alumina catalyst. The isomerization temperatures ranges from between about an ambient temperature to about 300° C. The isomerized product, after hydrogenation, can...	09/16/1980
4220606	Cyclic hydrocarbon perfluorination process Perfluorinated polycyclic hydrocarbons may be produced in high yield by a three-stage process comprising contacting a cyclic hydrocarbon such as an alkyladamantane with a fluoride of silver, manganese, sulfur or the like under varying reaction conditions,...	09/02/1980
4213752	Coal drying process A single step process for removing moisture from low rank coal using in-situ generated thermal energy by passing the wet low rank coal at room temperature into a moving bed of hot coal at a temperature in the range of from about 200° C. to about 300° C....	07/22/1980
4209400	Oil spill cleanup method and apparatus A method for removing oil from the surface of water where an oil spill has occurred, particularly in obstructed or shallow areas, which comprises partially surrounding a hovercraft with a floating oil-collecting barrier, there being no barrier at the fron...	06/24/1980

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Assignee: Suntech, Inc.