Bizarre Patents
A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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 |
| 4832886 | Abrasion process for the manufacture of microporous film A vapor permeable and liquid impermeable microporous film suitable for diaper back sheets and other disposable applications is produced by abrading a filled, unoriented film by passing it through at least one set of at least two cooperating nip rollers, e... | 05/23/1989 |
| 4815714 | Process for the manufacture of microporous film A vapor permeable and liquid impermeable microporous film suitable for diaper back sheets and other disposable applications is produced by first abrading a filled, unoriented film by passing it through at least one set of at least two cooperating nip roll... | 03/28/1989 |
| 4814544 | Isomerization of butane Normal butane is isomerized to isobutane by means of a catalyst composition consisting essentially of 95 to 99 weight percent fluorosulfuric acid and 1 to 5 weight percent of a protic co-acid selected from the group consisting of hydrogen fluoride, sulfur... | 03/21/1989 |
| 4778634 | Process for the manufacture of porous film A vapor and liquid permeable porous film suitable for disposable sanitary apparel structures is produced by first abrading an unoriented film by passing it through at least one set of at least two cooperating nip rollers, each having an abrasive grit surf... | 10/18/1988 |
| 4736002 | Novel propylene polymerization process A novel process for the production of substantially amorphous interpolymers of propylene, ethylene and optionally a third alpha-olefin comonomer having between 4 and 8 carbon atoms per molecule is disclosed. The polymers have properties which make them ap... | 04/05/1988 |
| 4710563 | Process for the recovery of amorphous devaporized polyalphaolefin A circulation loop is provided between a point next to the outlet of an amorphous polyalphaolefin polymerization zone and a flash zone, carrying a stream of molten devaporized polymer product.... | 12/01/1987 |
| 4704421 | Nucleation of propylene polymers Propylene polymers produced by high-activity support based coordination catalysts are effectively nucleated with benzoic acid and adipic acid, yielding molding resins of high clarity.... | 11/03/1987 |
| 4701489 | Process for the production of stable noncorrosive amorphous polyalphaolefins The catalyst residues present in an on-purpose produced amorphous polyalphaolefin are deactivated by contacting the molten polymer with sufficient water to provide at least a 3:1 water/Al mole ratio and then the polymer is stabilized with a hindered pheno... | 10/20/1987 |
| 4692489 | Polypropylene compositions of improved clarity Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer resin synergistically improves clarity as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.... | 09/08/1987 |
| 4684683 | Injection blow molding grade propylene polymers An injection blow molding grade resin or improved clarity and processability is obtained by incorporating N,N1 -ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.... | 08/04/1987 |
| 4671987 | Printable composite stretch wrap film Printable high strength, thin stretch wrap composite films exhibiting excellent self-adherence without heat sealing are comprised of at least two layers, wherein one outside layer is comprised of a tackified ethylene-vinyl acetate copolymer and the other ... | 06/09/1987 |
| 4666959 | Radiation sterilizable propylene polymer compositions and articles manufactured therefrom A propylene polymer molding composition which is resistant to discoloration and losses in physical properties upon sterilization by high energy radiation is comprised of a blend of a propylene polymer with small amounts of a polymeric hindered amine, an a... | 05/19/1987 |
| 4629658 | Polyolefin compositions and laminated article Blends of propylene polymer, ethylene-vinyl acetate copolymer and optionally a synthetic rubber, with small amounts of a polyterpene resin as a compatabilizer, possess excellent properties for the manufacture of heat-sealable and sterilizable films as wel... | 12/16/1986 |
| 4629639 | Compositions comprising propylene polymer-E/VA copolymer-polyterpene resin Blends of propylene polymer, ethylene-vinyl acetate copolymer and optionally a synthetic rubber, with small amounts of a polyterpene resin as a compatabilizer, possess excellent properties for the manufacture of heat-sealable and sterilizable films as wel... | 12/16/1986 |
| 4543437 | Refining of tertiary butylstyrene Dialkenylbenzene compounds, present in t-butylstyrene in small quantities as impurities are removed by liquid/liquid extraction using aqueous sulfolane as solvent.... | 09/24/1985 |
| 4543438 | Tertiary-butylstyrene recovery The reaction effluent from an oxydehydrogenation reactor, used in the preparation of t-butylstyrene from t-butylethylbenzene, is subjected to liquid-liquid extraction with a sulfolane-water mixture to separate unreacted t-butylethylbenzene from t-butylsty... | 09/24/1985 |
| 4540842 | Removal of sulfur compounds from pentane Pentane derived from fractionation of sulfur-containing natural gasoline is desulfurized to low levels of sulfur, e.g., 1 ppm or below, in a process comprised of contacting the pentane in a first zone with molecular sieve adsorbent to remove dimethylsulfi... | 09/10/1985 |
| 4514261 | Refining of tertiary butylstyrene Isopropenylstyrene, present in t-butylstyrene in small quantities as an impurity, is removed by extractive distillation using sulfolane as solvent.... | 04/30/1985 |
| 4508618 | Increasing the octane number of natural gasoline with trifluoromethanesulfonic acid Natural gasoline of low octane value derived from natural gas is upgraded to higher octane value by means of catalyst consisting essentially of trifluoromethanesulfonic acid at temperatures between about 80° C. and about 120° C., and preferably between ... | 04/02/1985 |
| 4472268 | Upgrading of natural gasoline with trifluoromethane sulfonic acid, hydrofluoric acid and Lewis acid catalyst Natural gasoline of low octane value derived from natural gas is upgraded to higher octane value by means of a liquid ternary catalyst comprising trifluoromethanesulfonic acid and hydrogen fluoride in conjunction with a Lewis acid of the formula MXn | 09/18/1984 |
| 4442303 | Recovery of water miscible organic acids from aqueous solution as alkyl esters In one of its embodiments this invention provides a process for recovering C4 -C6 dicarboxylic acid components contained in a waste byproduct stream derived from a reaction system in which adipic acid is produced by nitric acid oxida... | 04/10/1984 |
| 4429175 | Process for the production of ethylbenzene This invention provides a process for selective conversion of vinylcyclohexene to ethylbenzene and hydrogen in the presence of a palladium on non-acidic zeolite catalyst. In the catalyst preparation, the catalyst is calcined first in air and then in a hyd... | 01/31/1984 |
| 4413591 | Superheater hanger design A superheater supported in a furnace and composed of a plurality of piping lengths in which the individual pipe lengths are supported in the furnace by a pair of hanger rods pivotally mounted to the pipe lengths substantially at the ends of the pipe lengt... | 11/08/1983 |
| 4393263 | Tertiary-butylstyrene production This invention provides an improved oxydehydrogenation process for the production of tertiary-butylstyrene which involves the contacting of a vapor phase mixture of tertiarybutylethylbenzene and oxygen with a novel coprecipitated aluminum-calcium-silicon-... | 07/12/1983 |
| 4384985 | Catalyst composition for producing tertiary-butylstyrene This invention provides an improved oxydehydrogenation process for the production of tertiary-butylstyrene which involves the contacting of a vapor phase mixture of tertiary-butylethylbenzene and oxygen with a novel coprecipitated nickel-zirconium phospha... | 05/24/1983 |
| 4365080 | Production of dimethyl esters This invention provides an improved process for the separation and recovery of byproducts associated with the isolation of C4 -C6 dicarboxylic acids contained in a waste byproduct stream derived from an adipic acid manufacturing oper... | 12/21/1982 |
| 4363748 | Catalyst composition for producing tertiary-butylstyrene This invention provides an improved oxydehydrogenation process for the production of tertiary-butylstyrene which involves the contacting of a vapor phase mixture of tertiary-butylethylbenzene and oxygen with a novel coprecipitated aluminum-calcium-cerium ... | 12/14/1982 |
| 4339596 | Treatment of byproduct stream from adipic acid manufacture In one embodiment, this invention provides a process for converting a dilute aqueous filtrate byproduct stream from adipic acid manufacture into a concentrated methanolic solution which does not solidify at ambient temperatures. In another embodiment, thi... | 07/13/1982 |
| 4316775 | Treatment of waste stream from adipic acid production This invention provides a process for improving the recovery of byproducts associated with the isolation of C4 -C6 dicarboxylic acids contained in a waste byproduct stream, wherein the byproduct stream is derived from an adipic acid ... | 02/23/1982 |
| 4300010 | Production of ethylbenzene This invention provides a process for selective conversion of vinylcyclohexene to ethylbenzene in the presence of a palladium on nonacidic zeolite catalyst. In the catalyst preparation, the catalyst is calcined first in air and then in a hydrocarbon type ... | 11/10/1981 |
| 4291184 | Process for producing tertiary-butylstyrene This invention provides an improved oxydehydrogenation process for the production of tertiary-butylstyrene which involves the contacting of a vapor phase mixture of tertiary-butylethylbenzene and oxygen with a novel coprecipitated nickel-zirconium phospha... | 09/22/1981 |
| 4291183 | Production of tertiary-butylstyrene This invention provides an improved oxydehydrogenation process for the production of tertiary-butylstyrene which involves the contacting of a vapor phase mixture of tertiary-butylethylbenzene and oxygen with a novel coprecipitated aluminum-calcium-cerium ... | 09/22/1981 |
| 4279130 | Recovery of 1,3-butadiene by fractional crystallization from four-carbon mixtures Freezing and melting techniques are described for separating 1,3-butadiene from a mixture of four-carbon compounds by fractional freezing of the liquid mixture and by fractional melting thereof. It has been discovered that when a frozen four-carbon mixtur... | 07/21/1981 |
| 4277313 | Recovery of 1,3-butadiene This invention provides a process for separating 1,3-butadiene from a C4 -hydrocarbon mixture which contains C4 -alkyne components. In one embodiment, the invention involves a first step hydrogenation procedure for selectively hydrogenati... | 07/07/1981 |
| 4271315 | Treatment of waste stream from adipic acid manufacture This invention provides a process for improving the recovery of byproducts associated with the isolation of C4 -C6 dicarboxylic acids contained in a waste byproduct stream, derived from an adipic acid manufacturing operation wherein ... | 06/02/1981 |
| 4246202 | Production of cyclic hydrocarbons from normal octenes This invention provides a process for the production of cyclic hydrocarbons from light olefinic hydrocarbons which involves contacting n-octene feed with a Group VIII metal oxide catalyst in the presence of molecular oxygen at temperatures of 130°-500° ... | 01/20/1981 |
| 4225738 | Production of high purity butadiene This invention provides a three-step process for converting n-butene into high purity 1,3-butadiene, via a vinylcyclohexene intermediate. In the first step of the process, n-butene and molecular oxygen are contacted with a Group VIII metal oxide catalyst. If n... | 09/30/1980 |
| 4210603 | Production of cyclic hydrocarbons from n-butenes This invention provides a process for the production of cyclic hydrocarbons for light olefinic hydrocarbons which involves contacting n-butenes with a Group VIII metal oxide catalyst in the presence of molecular oxygen at temperatures of 130°-500° C. an... | 07/01/1980 |
| 4168280 | Method for synthesis of 2-hydroxy-3-methyl cyclopent-2-ene-1-one The known compound 2-hydroxy-3-methyl cyclopent-2-ene-1-one, used as a flavor imparting agent and commonly called maple lactone, is synthesized by a modified acyloin condensation of esters of 2-methyl glutaric acid in which oxygen is introduced in a speci... | 09/18/1979 |
| 4105856 | Recovery process for aqueous waste streams in adipic acid systems By-product or waste streams from adipic acid plants which contain adipic acid, glutaric acid, succinic acid, nitric acid and catalyst values of copper and vanadium are treated to substantially recover all the components thereof by esterifying the dibasic ... | 08/08/1978 |
