Cohen; Harvey L. - US Patent Attorneys and Agents

Attorney: Cohen; Harvey L.

Number of patents: 46
Last date: September 20, 2011

Browse patents
Browse applications

Number	Title	Issue Date
8021538	Hydroconversion catalysts and methods of making and using same Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid,...	09/20/2011
7642212	Hydroconversion catalysts and methods of making and using same Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid,...	01/05/2010
7560407	Hydroconversion catalysts and methods of making and using same Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid,...	07/14/2009
7390766	Hydroconversion catalysts and methods of making and using same Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at low concentration, and a phosphorous component, e.g., phosphoric acid,...	06/24/2008
5780563	Supported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin...	07/14/1998
5705577	Dilute process for the polymerization of ethylene/଱-olefin copolymer using metallocene catalyst systems An improved process for the copolymerization of ethylene and ଱-olefins utilizing highly dilute ଱-olefin feedstreams to effect high conversions and catalyst productivities. The instant invention is particularly adaptable to copolymerizing the &...	01/06/1998
5696063	Basic metal salt of dithiocarbamic acid and lubricating oil composition containing said salt The present invention provides novel basic metallic salts of dithiocarbamic acid, in which the content of the basic ingredient (=a×3×100) is 30-100 mol %, represented by general formula (1): ##STR1## wherein R1 to R4, which ma...	12/09/1997
5663470	"Heterogeneous lewis acid-type catalysts" A solid state insoluble salt catalyst system for the carbocationic polymerization of olefin monomer in the presence of a polar or non-polar reaction medium, which comprises (a) solid state catalyst component comprising at least one salt of a strong acid a...	09/02/1997
5646098	Carbonyl containing compounds and their derivatives as multi-functional fuel and lube additives The invention relates to novel compositions comprising ene and free radical adducts of unsaturated and saturated hydrocarbons, and acyclic and cyclic vicinal polycarbonyl compounds such as diethyl ketomalonate and indantrione. The adducts are reacted with...	07/08/1997
5639718	Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted quinone adducts. Suitable polymers are those containing prima...	06/17/1997
5633326	Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions Novel polymers comprising polyolefin-substituted amines grafted with aromatic N-containing monomers such as aniline, have been found to provide oil soluble polymers having dispersant and antioxidant properties in oleaginous compositions, including fuel an...	05/27/1997
5629394	Direct synthesis by living cationic polymerization of nitrogen-containing polymers A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarb...	05/13/1997
5607890	Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin...	03/04/1997
5571885	Immobilized lewis acid catalysts Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: --[A]a --[B]b --[C]c -- wherei...	11/05/1996
5563313	Immobilized Lewis Acid catalysts Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: --[A]a --[B]b --[C]c -- wherei...	10/08/1996
5561095	Supported lewis acid catalysts for hydrocarbon conversion reactions A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin...	10/01/1996
5554310	Trisubstituted unsaturated polymers The invention pertains to olefinically unsaturated polymers wherein at least a portion of the olefinic unsaturation has three hydrocarbyl substituents attached to the two carbons of an olefinic unsaturation (i.e., trisubstituted vinyl). The invention is a...	09/10/1996
5498809	Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives The invention pertains to oil soluble copolymers derived from ethylene and 1-butene which have a number average molecular weight between about 1,500 and 7,500, at least about 30 percent of all polymer chains terminated with ethylvinylidene groups, and eth...	03/12/1996
5481054	Immobilized Lewis Acid catalysts Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: --[A]a --[B]b --[C]c -- wherei...	01/02/1996
5326921	AlCl₃ -catalyzed process for preparing poly-N-butenes from mixed butenes Poly-n-butene is prepared from a mixed C4 hydrocarbon feedstream containing less than about 5 wt. % isobutylene using an AlCl3 -HCl catalyst system wherein the HCl is introduced separately into the feedstream to form organochloride i...	07/05/1994
5183279	Sulky A sulky for carrying a rider behind a horse consisting essentially of an arch, a pair of wheels connected to the arch, a pair of rails extending from the arch forward in the direction of the horse, one on each side thus establishing a plane and the direct...	02/02/1993
4863180	Sulky with movably coupled and stabilized rail A sulky for carrying a rider behind a horse, comprising an arch, a pair of wheels and a pair of substantially horizontal rails flexibly or movably coupled to the arch, the rails adapted to embrace the flanks of the horse and further comprising stabilizati...	09/05/1989
4650832	Process for the manufacture of halogenated polymers In a process for the continuous halogenation of polymers by contacting polymer and halogenating agent in a continuous flow device in which means are provided for disengaging reaction by-products and unreacted halogenating agent from the reaction mixture, ...	03/17/1987
4593062	Dynamically cured thermoplastic olefin polymers Thermoplastic compositions useful as molded parts including automotive hoses and exterior body parts which exhibit good flow and good surface characteristics in injection molded parts. The compositions comprise equal proportions of a polyolefin, a halogen...	06/03/1986
4554326	Process for the manufacture of halogenated polymers In a process for the continuous halogenation of polymers by contacting polymer and halogenating agent in a continuous flow device in which the polymer and halogenating agent are subjected to deformation during reaction and in which means are provided for ...	11/19/1985
4548995	Process for the manufacture of halogenated polymers In a process for the continuous halogenation of polymers by contacting polymer and halogenating agent in a continuous flow device in which means are provided for disengaging reaction by-products and unreacted halogenating agent from the reaction mixture, ...	10/22/1985
4513116	Process for the manufacture of halogenated polymers Continuous halogenation of polymers is achieved by contacting polymer and halogenating agent in a continuous flow device in which the reactants are present as either co-continuous phases or wherein the halogenating agent is present as a continuous phase a...	04/23/1985
4508592	Elastomer extrusion drying with gas injection Extrusion drying of wet rubber crumb particles in the last phase of the overall elastomer drying process is improved through use of gas injected into the compression zone of an extruder thereby providing an improved efficiency in the explosion drying proc...	04/02/1985
4501859	Process for the manufacture of halogenated polymers Continuous halogenation of polymers is achieved in an extruder-reactor employing reactants, conditions and design features directed to maximizing mixing and contact of the polymer with the halogenating agent and neutralizing agent while simultaneously min...	02/26/1985
4474924	Stabilized slurries of isoolefin polymers Polymerization slurries of elastomeric isoolefin homopolymers and copolymers, such as butyl rubber, in diluents such as methyl chloride are effectively stabilized against agglomeration of polymer particles through addition of minor proportions of an hydro...	10/02/1984
4358560	Stabilized slurries of isoolefin polymers Polymerization slurries of elastomeric isoolefin homopolymers and copolymers, such as butyl rubber, in diluents such as methyl chloride are effectively stabilized against agglomeration of polymer particles through addition of minor proportions of (i) a pr...	11/09/1982
4340694	Crosslinking and chemical modification agents for olefin containing polymers There are disclosed monofunctional and polyfunctional aliphatic oxycarbonylsulfenyl chlorides having general utility as crosslinking, coupling and chemical modification agents for olefin containing polymers, particularly unsaturated rubber hydrocarbon ela...	07/20/1982
4319061	Low molecular weight terminally-functional saturated hydrocarbon polymer Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic ...	03/09/1982
4303571	Film-forming thermoplastic elastomeric polymer compositions There are disclosed film-forming polymer blends useful for the production of tubular blown film comprising EPM or EPDM elastomers, ethylene-vinyl acetate copolymers and a hydrocarbon oil plasticizer. The films exhibit resiliency and elasticity and high me...	12/01/1981
4288575	Conjugated diene butyl elastomer copolymer A heterogeneous catalytic process for dehydrohalogenating allylically halogenated olefinic hydrocarbon polymers to produce conjugated diene unsaturated polymeric products is disclosed comprising employing certain metal containing catalyst compositions, es...	09/08/1981
4278822	Low molecular weight terminally-functional saturated hydrocarbon polymer Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic ...	07/14/1981
4254240	Continuous process for the preparation of bromochlorinated butyl rubber A solution of butyl rubber in an inert solution such as n-hexane is halogenated in a continuous process using bromine chloride vapor and high intensity mixing means for both the halogenation and subsequent neutralization steps. Adjustment of the mole rati...	03/03/1981
4244861	Injection molding thermoset interpolymers of ethylene-propylene and product thereof An injection-moldable, peroxide crosslinkable elastomeric composition comprises a mixture of a crystalline interpolymer comprising ethylene and propylene; a low density polyethylene; one or more multifunctional vinylic or allylic monomers; a medium to hig...	01/13/1981
4230837	Olefin containing polymers treated with oxycarbonylsulfenyl halides There are disclosed monofunctional and polyfunctional aliphatic oxycarbonylsulfenyl chlorides having general utility as crosslinking, coupling and chemical modification agents for olefin containing polymers, particularly unsaturated rubber hydrocarbon ela...	10/28/1980
4195133	CDB rubber modified thermoplastics High impact strength rubber modified styrene and styrene-acrylonitrile (SAN) thermoplastics are prepared by incorporating into the styrene or SAN copolymer a conjugated diene butyl rubber elastomer. Conventional processes are effective to provide products...	03/25/1980

«First «Previous1 2 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Attorney: Cohen; Harvey L.