Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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 |
| 5156912 | Multi-layer coatings for reinforcements in high temperature composites The subject invention relates to a coated reinforcement material comprising a SiC reinforcement having a coating of at least three layers, wherein the layers are alternately A-material layers of the general formula: Alx Oy Nz w... | 10/20/1992 |
| 5135547 | Facilitated liquid membranes for olefin/paraffin gas separations and related process A facilitated liquid membrane for the separation of olefins from a gaseous feed stream comprises a porous support structure (10, 15) and a liquid membrane which comprises an aqueous solution containing a metal salt facilitator capable of coordinating with... | 08/04/1992 |
| 5131928 | High pressure facilitated membranes for selective separation and process for the use thereof The subject invention relates to a membrane for the selective separation of at least one component of a gaseous feed stream comprising a porous membrane, having pores of from about 10 Angstroms to about 200 Angstroms, the pores containing a facilitator li... | 07/21/1992 |
| 5120445 | Mixing apparatus and method An apparatus and method for effecting mass or heat transfer between the bulk of a fluid and a transfer surface boundary layer comprises a conduit having transverse baffles spaced apart from the transfer surface such that vortex mixing is induced in fluid ... | 06/09/1992 |
| 5114785 | Silicon based intermetallic coatings for reinforcements The subject invention relates to a coated reinforcement material comprising a reinforcement having a coating or the general formula: Ax Si100-x wherein A is selected from the group consisting of Au, Pt, Ru, Rh, Ni, Pd, Ir and combinations ther... | 05/19/1992 |
| 5114795 | Multilayered high barrier packaging materials method for the preparation thereof Multilayered high barrier film products providing gas and moisture barrier properties. The film products comprise at least a first polymer film having low permeability to moisture and a polymer blend film containing a gas barrier polymer and a second poly... | 05/19/1992 |
| 5112784 | Process for the preparation of catalysts A process for the preparation of a catalytically active material, which comprises calcining an anionic double hydroxide clay; rehydrating the resulting material by treatment with water substantially free from dissolved ions; and calcining the rehydrated m... | 05/12/1992 |
| 5110992 | Process for the preparation of glycol ethers A process for the preparation of a glycol ether by reacting an olefin oxide with an excess of an alcohol over a catalyst; characterized in that the catalyst comprises a material which has been prepared by calcination of an anionic double hydroxide clay ha... | 05/05/1992 |
| 5100556 | Transverse sheet membrane separation module, components thereof and related methods A wafer (100) providing transverse sheets of semipermeable membrane (21). Such wafers include peripheral support means (101) defining a generally cylindrical ring and having inside (104) and outside surfaces (105), a plurality of transverse sheet membrane... | 03/31/1992 |
| 5096679 | System to mitigate the effect of an environmental release of a contaminant gas A system to mitigate the effect of an environmental release of a contaminant gas. The system includes at least one first fluid effect device (13) positioned in the vicinity of the environmental release (33). A first fluid stream (20), a second fluid strea... | 03/17/1992 |
| 5093294 | Zeolite catalysts suitable for hydrocarbon conversion A novel catalyst composition comprising a crystalline aluminosilicate having a molar ratio of silica to alumina of at least 5:1, the aluminosilicate carrying gallium and silver, is useful in the conversion at elevated temperature of a C2 -C | 03/03/1992 |
| 5084352 | Multilayered barrier structures for packaging Multilayered barrier film products providing gas and moisture barrier properties. The film products comprise at least a first polymer film having low permeability to moisture and a heterogeneous polymer blend film containing a gas barrier polymer and a se... | 01/28/1992 |
| 5080142 | Integrally woven multi-apertured multi-layer angle interlock fabrics An integrally woven multi-apertured multi-ply angle interlock fabric is woven so as to have a plurality of apertures which extend across the width of the fabric and are completely contained within the thickness of the fabric. The fabric is comprised of a ... | 01/14/1992 |
| 5057641 | High pressure facilitated membranes for selective separation and process for the use thereof The subject invention relates to a process for the selective separation of at least one component of a gaseous feedstream comprising passing the feedstream containing the component through a separation unit, the separation unit containing a porous membran... | 10/15/1991 |
| 5055520 | Blends of high nitrile coploymers and thermoplastic polymers A polymer blend comprises a high nitrile copolymer and a compatible thermoplastic polymer or copolymer containing polar groups, formed from monomers selected from the group consisting of alkylacrylamides, aliphatic and cyclic methacrylates, unsaturated ca... | 10/08/1991 |
| 5041205 | Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2 A crystalline material having, in the dehydrated form, the empirical formula: m(M2/a O):Xz Oxz/2 :y YO2 (I) in which m is 0.5 to 1.5; M is a cation of valency a; X is a metal of valency x, selected... | 08/20/1991 |
| 5006287 | Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof Polymeric affinity membranes comprise a precursor filtration membrane and a plurality of reaction sites provided on the surface of the membrane selective to binding a specific biological material. A process for the preparation of such affinity membranes i... | 04/09/1991 |
| 5006256 | Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof A process for selectively removing biological materials from fluids includes the step of passing the fluids over an affinity membrane which comprises a precursor filtration membrane and a plurality of reaction sites provided on the surface of the membrane... | 04/09/1991 |
| 5004783 | Blends of high nitrile copolymers and thermoplastic polymers A polymer blend comprises a high nitrile copolymer and a compatible thermoplastic polymer or copolymer containing polar groups, formed from monomers selected from the group consisting of alkylacrylamides, aliphatic and cyclic methacrylates, unsaturated ca... | 04/02/1991 |
| 5000855 | Transverse sheet membrane separation module, components thereof and related methods A wafer (10) providing transfer sheets of semipermeable membrane (21). Such wafers include peripheral support means (11) defining a generally cylindrical ring and having inside (14) and outside faces (15) and upper (12) and lower (13) faces and, a plurali... | 03/19/1991 |
| 4990715 | Zeolite catalysts suitable for hydrocarbon conversion A novel catalyst composition comprising a crystalline aluminosilicate having a molar ratio of silica to alumina of at least 5:1, the aluminosilicate carrying gallium and silver, is useful in the conversion at elevated temperature of a C2 -C | 02/05/1991 |
| 4975258 | Novel crystalline (metallo) silicates and germanates A crystalline material having, in the dehydrated form, the empirical formula: m(m.sub. 2/a O):Xz Oxz/2 :y YO2 (I) in which m is 0.5 to 1.5; M is a cation of valency a; X is a metal of valency x, selected from ... | 12/04/1990 |
| 4963264 | Process for selective dialysis using polymeric affinity adsorbents and size selective membranes A process for the selective dialysis of liquid streams containing different materials comprises the steps of providing a porous membrane in a cell, the membrane having pores of sufficient dimension to allow passage of the different materials therethrough,... | 10/16/1990 |
| 4959152 | Hollow fiber separation module and method for the use thereof Apparatus (60, 105, 115, 130, 150) for the separation of a fluid into permeate and retentate portions. Such apparatus provides a plurality of hollow fiber separation wafers (10), each wafer comprising a mat (25) of hollow fibers (18) arranged chord-wise o... | 09/25/1990 |
| 4952465 | Additive for energy storage devices that evolve oxygen and hydrogen Novel additives are disclosed comprising a material capable of absorbing hydrogen and recombining oxygen, which additive is ideally suited for incorporation in sealed cells. The additive may be disposed in an energy storage device in several manners such ... | 08/28/1990 |
| 4946663 | Production of high surface area carbon fibres High surface are carbon fibers are produced by heating carbon fibres in the presence of a quality of alkali metal hydroxide in excess of 50% by weight based on weight of carbon at temperatures of above 500° C. in an inert atmosphere.... | 08/07/1990 |
| 4938995 | Fluoropolymer thin film coatings and method of preparation by plasma polymerization The subject invention relates to a process for the deposition of an oxygen-containing high fluoropolymer thin film onto an approxpriate substrate comprising loading the substrate in an enclosed reactor; evacuating the reactor; charging the reactor with an... | 07/03/1990 |
| 4923578 | Graphite composites and process for the manufacture thereof Graphite composite articles comprising a graphite structure formed from a porous graphite material and an impregnant selected from the group consisting of glass precursors and ceramic precursors, filling the pores and coating the surface of the structure.... | 05/08/1990 |
| 4923770 | Amorphous metal alloy compositions for reversible hydrogen storage and electrodes made therefrom The present invention provides a novel amorphous metal alloy composition which reversibly stores hydrogen and is useful as the hydrogen storage electrode in an energy storage device. The amorphous metal alloy is made up of at least three elements with at ... | 05/08/1990 |
| 4919811 | Affinity membranes having pendant hydroxy groups and processes for the preparation and use thereof Polymeric affinity membranes comprise a precursor filtration membrane and a plurality of reaction sites provided on the surface of the membrane selective to binding a specific biological material. A process for the preparation of such affinity membranes i... | 04/24/1990 |
| 4914138 | Blends of high nitrile polymers and polyolefins and method for the preparation thereon A polymer blend comprises a high nitrile polymer and a compatible polyolefin functionalized with an unsaturated compound selected from the group consisting of unsaturated carboxylic acids, esters, anhydrides and imides. Such blends can be used to form fil... | 04/03/1990 |
| 4914074 | Catalyst composition A novel catalyst composition which comprises alumina and platinum, is characterized in that the alumina carries internally and/or on its surface, gallium and a Group II metal. The catalyst composition is particularly useful in catalytic reforming of hydro... | 04/03/1990 |
| 4906800 | Procedure for imparting selectivity to hydrogenation catalysts and method for using the same This invention relates to a method for the preparation of selective acetylene hydrogenation catalysts. More specifically, this invention relates to a pretreatment method for supported and unsupported Group VIII metal catalysts and the use thereof for the ... | 03/06/1990 |
| 4902579 | Amorphous metal alloy compositions for reversible hydrogen storage Novel materials having the ability to reversibly store hydrogen are amorphous metal alloys of the formula Aa Mb M'c wherein A is at least one metal selected from the group consisting of Ag, Au, Hg, Pd and Pt; M is at least one ... | 02/20/1990 |
| 4891164 | Method for separating and immobilizing radioactive materials A method is disclosed for separating and immobilizing a radioactive material comprising: contacting an aqueous medium containing said radioactive material with a reactive composition comprising at least one alkali metal, at least one Group IIIB metal and ... | 01/02/1990 |
