| Patent Number |
Title Of Patent |
Date Issued |
| RE37842 |
Regenerating zeolitic cracking catalyst |
September 17, 2002 |
| A method for countering the adverse effect of contaminating metals on a cystalline aluminosilicate catalyst comprising contacting the catalyst .Iadd.with a metallic passivating agent to effect some passivation of the effects of the contaminant metals and .Iaddend.with a reducing gas unde |
| RE37789 |
Regenerating zeolitic cracking catalyst |
July 16, 2002 |
| A method for countering the adverse effect of contaminating metals on a crystalline aluminosilicate catalyst comprising contacting the catalyst with a reducing gas under suitable conditions..[.In a preferred embodiment, the catalyst contains antimony..]. |
| RE35632 |
Methane conversion process |
October 14, 1997 |
| In an improved method for converting methane to at least one higher hydrocarbon product and coproduct water which comprises contacting a gas comprising methane and at least one added gaseous oxidant with nonacidic solid, the improvement comprising conducting at least a portion of said |
| RE34464 |
Poly(arylene sulfide sulfone)polymer containing ether groups |
November 30, 1993 |
| A two-step process to make a poly(arylene sulfide sulfone) polymer exhibiting improved high temperature properties is described. In the first step a prepolymer characterized as dihalo-terminated polyethersulfone oligomers is prepared by reacting an aromatic diphenol with an excess of a |
| RE34172 |
Continuous mixer |
February 2, 1993 |
| A continuous mixer with twin parallel rotors, a feed end and a discharge end is disclosed which is characterized by mismatched rotors. The apexes, or points at which the rotor tips change direction, are substantially misaligned as between the individual rotors of the pair. |
| RE33545 |
Preparation of a high molecular weight poly(arylene sulfide ketone) |
February 26, 1991 |
| A process, and product produced therefrom, for preparing a high molecular weight poly(arylene sulfide ketone) from the reaction product of an alkali metal bisulfide with an alkali metal hydroxide, employing molar excess of alkali metal bisulfide with respect to the alkali metal hydroxide |
| RE33393 |
Selective removal of hydrogen sulfide over zinc titanate and alumina |
October 16, 1990 |
| Hydrogen sulfide is removed from a fluid stream containing hydrogen sulfide by contacting the fluid stream under suitable absorbing conditions with an absorbing composition comprising zinc titanate and alumina promoted with at least one metal selected from tungsten and molybdenum and at |
| RE32533 |
Hydrocarbon fuels with carburetor detergent properties |
October 27, 1987 |
| Carburetor detergency properties of hydrocarbon fuels are provided by nitrogen-containing organic compound-grafted, hydrogenated conjugated diene-monovinylarene copolymers. |
| RE32289 |
Cyanohydrocarbylated alkoxylates and glycerides |
November 18, 1986 |
| Cyanohydrocarbylated alkoxylates and cyanohydrocarbylated glycerides, their preparation and their use in post primary oil recovery as cosurfactants is described. |
| RE32120 |
Hydrotreating supercritical solvent extracts in the presence of alkane extractants |
April 22, 1986 |
| A process of recovering the hydrocarbon values from low organic carbon content deposits comprises the hydrotreating of hydrocarbons from those deposits in the presence of supercritical alkane-containing solvent. |
| RE31783 |
Method and apparatus for controlling yarn plug length |
January 1, 1985 |
| A continuous synthetic filament yarn is processed by crimping, entangling, and straightening the yarn. The yarn is straightened by heating under tension, resulting in a yarn that can be used in its straightened form and later bulked by a subsequent process such as dyeing, boiling, heatin |
| RE31696 |
Composition for producing article simulating plantation crepe rubber |
October 2, 1984 |
| A molded article simulating the appearance of natural plantation crepe rubber and a method for producing this article. Styrene/butadiene linear or radial block copolymer having a polymerized styrene content of the range of about 20 to about 50 weight percent of the total block copolymer |
| RE31443 |
Treatment of silica |
November 15, 1983 |
| A silica-containing composition suitable for supporting chromium to produce a catalyst capable of giving high melt flow olefin polymers for such applications as injection molding and the like requiring a narrow molecular weight distribution, is produced by treating a silica-containing |
| RE31436 |
Thermosetting polyester composition containing normally solid carboxy-containing diene polymer |
November 1, 1983 |
| A thermosettable composition suitable for preparing reinforced plastic articles is prepared by combining an unsaturated polyester, a normally solid carboxy-containing polymer of a conjugated diene, a vinyl monomer, a catalyst and a reinforcing agent or filler. Preferably the composition |
| RE31390 |
Treatment of silica |
September 20, 1983 |
| A silica-containing composition suitable for supporting chromium to produce a catalyst capable of giving high melt flow olefin polymers for such applications as injection molding and the like requiring a narrow molecular weight distribution, is produced by treating a silica-containing |
| RE30460 |
Coupling of alkali metal-terminated polymers |
December 23, 1980 |
| Alkali metal-terminated polymers of one or more alkadienes and of one or more vinyl-substituted aromatic monomers are effectively coupled by an anhydride of a monocarboxylic acid having 2 to 8 carbon atoms per molecule. |
| RE30455 |
Apparatus for making carbon black |
December 23, 1980 |
| An apparatus for producing carbon black in which an outer housing has mounted therein a tube which defines a converging/diverging venturi through which hot combustion gases and oil flow for decomposition of the oil to carbon black. The tube has an upstream open end at which position |
| RE30272 |
Recovery of cellular protein products from microbiological synthesis masses |
May 13, 1980 |
| Cellular protein products are recovered from microbiologically produced masses by incorporation therewith of a protein material suitable as a food which acts as a flocculant. |
| RE29716 |
Method of drilling a borehole using gelled polymers |
August 1, 1978 |
| Improvements in secondary recovery operations for the recovery of oil, and improvements in well drilling operations, are accomplished through the use of aqueous mediums comprising aqueous gels prepared from water and certain polymers such as polyacrylamides and related polymers. |
| RE29352 |
Non-twisted, heather yarn and method for producing same |
August 16, 1977 |
| A non-twisted, heather yarn is formed of a plurality of major yarn bundles at least one of which is of a substantially different color from the remaining bundles. Each major yarn bundle is formed of a multiplicity of continuous filaments and has from about 10 to about 90 percent of its |
| RE29074 |
Gable topped container and paperboard blank |
December 14, 1976 |
| A gable topped container and a paperboard blank for forming the containers constructed with ridge panels that are a substantially common width and with an end closure member having an interrupted, weakened line of severance at an elevation higher than the lowermost edges of the ridge |
| D268394 |
Combined cap and extruding plunger for dispensing container |
March 29, 1983 |
|
| D267754 |
Chain saw case |
February 1, 1983 |
|
| D266198 |
Bakery tray or similar article |
September 14, 1982 |
|
| D264492 |
Watering can |
May 18, 1982 |
|
| D264441 |
Closure or similar article |
May 18, 1982 |
|
| D263685 |
Closure or similar article |
April 6, 1982 |
|
| D260194 |
Bakery tray or similar article |
August 11, 1981 |
|
| D259400 |
Tote box for fruit or the like |
June 2, 1981 |
|
| D258576 |
Closure or similar article |
March 17, 1981 |
|
| D257478 |
Egg crate or similar article |
November 4, 1980 |
|
| D256558 |
Container closure or the like |
August 26, 1980 |
|
| D256220 |
Storage and display tray or similar article |
August 5, 1980 |
|
| D256110 |
Combined flower pot and saucer or the like |
July 29, 1980 |
|
| D256109 |
Combined flower pot and saucer or the like |
July 29, 1980 |
|
| D256108 |
Combined flower pot and saucer or the like |
July 29, 1980 |
|
| D255724 |
Poultry coop or similar article |
July 1, 1980 |
|
| D255097 |
Bakery tray or the like |
May 27, 1980 |
|
| D254831 |
Combined container and serving dish or the like |
April 29, 1980 |
|
| D252961 |
Bakery tray or the like |
September 25, 1979 |
|
| D252869 |
Flower pot or the like |
September 11, 1979 |
|
| D252172 |
Tote box for fruit or the like |
June 19, 1979 |
|
| D252114 |
Bakery tray or the like |
June 12, 1979 |
|
| D251828 |
Closure or similar article |
May 15, 1979 |
|
| D251034 |
Bakery tray or the like |
February 6, 1979 |
|
| D249643 |
Closure or similar article |
September 26, 1978 |
|
| D249185 |
Bakery container or the like |
August 29, 1978 |
|
| D247875 |
Closure or similar article |
May 16, 1978 |
|
| D247652 |
Bakery container or the like |
March 28, 1978 |
|
| D247651 |
Bakery tray or the like |
March 28, 1978 |
|
