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| Number | Title | Issue Date |
| 4914064 | Highly aromatic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics A new membrane for the separation of aromatic hydrocarbons from mixtures of said aromatic hydrocarbons and non-aromatic hydrocarbons has been prepared comprising a highly aromatic polyurea/urethane membrane. These highly aromatic polyurea/urethane membran... | 04/03/1990 |
| 4861628 | Thin film composite membrane prepared by suspension deposition Thin film membranes of polyurea, polyureapolyurethane alloy, polyurea-polyurea/urethane alloy or polyurea/urethane are prepared by deposition of a thin film of suspension of the selected polymer on a thick permeable support layer by the technique of prepa... | 08/29/1989 |
| 4791079 | Ceramic membrane for hydrocarbon conversion The invention relates to a novel mixed ion and electron conducting catalytic ceramic membrane and to its use in hydrocarbon oxidation and or dehydrogenation processes, the membrane consists of two layers, layer 1 which is an impervious mixed ion and elect... | 12/13/1988 |
| 4699892 | Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof A composite membrane having molecular sieve activity and/or catalytic activity composed of a porous support of a metal, an inorganic material or a polymeric material and combined with its one surface, an ultrathin film of a cage-shaped zeolite composed of... | 10/13/1987 |
| 4661411 | Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution This invention discloses improved heterogeneous acid catalysts and a method for preparing these catalysts. A heterogeneous acid catalyst has been prepared by treating a carrier material with a solution containing a fluorocarbonsulfonic acid polymer dissol... | 04/28/1987 |
| 4631263 | Water-repellent catalyst for gas/liquid reactions and process for gas/liquid reactions by using the same A catalyst for gas/liquid reactions, characterized by having a sheet or film-form water-repellent porous carrier having gas permeability and liquid impermeability and a catalytically active component supported on at least one surface of said carrier.... | 12/23/1986 |
| 4598056 | Material containing microaggregates of metals, inorganic compounds or organometallic compounds, more particularly usable in heterogeneous catalysis and its production process The material comprises a membrane constituted either by at least one monomolecular layer of amphiphilic molecules, or by amphiphilic molecules adsorbed on a substrate, and microaggregates of the metal, inorganic compound or organometallic compound retaine... | 07/01/1986 |
| 4469621 | Molecular aggregate having an ordered structure A stable molecular aggregate having an ordered structure comprising a surfactant containing a hydrophilic moiety and hydrophobic moiety and having in the hydrophobic moiety or between the hydrophobic moiety and the hydrophilic moiety a rigid moiety at lea... | 09/04/1984 |
| 4394294 | Membrane catalyst for hydrogenation of organic compounds and method for preparing same The membrane catalyst for hydrogenation of organic compounds according to the present invention comprises a cermet substrate with deposited thereonto, as a film, a product of interaction of a polyorganosiloxane polymer and a heterogenized palladium comple... | 07/19/1983 |
| 4342811 | Open-celled microporous sorbent-loaded textile fibers and films and methods of fabricating same Textile quality polymeric fibers and thin films that are highly sorbent for organic and other vapors, mists and solutes. The fibers and films comprise a polymeric matrix with a system of interconnecting micropores, and are highly loaded with particulate s... | 08/03/1982 |
| 4332698 | Catalyst sheet and preparation A catalyst composition is provided as a thin flexible sheet in standard polymer processing equipment. The catalyst is comprised of catalyst particles encradled in a porous, fiber-containing polymeric material.... | 06/01/1982 |
| 4321161 | Liquid-absorbing shaped body Disclosed is a liquid-absorbing shaped body comprising a fibrous material and an inorganic powder in which the volume of fine pores having a pore radius less than 0.5μ is at least 2.5 cc/g. This shaped body is excellent in the liquid-absorbing capacity a... | 03/23/1982 |
| 4309463 | Production of molded polymer body with metal inclusions A molded polymer body with very fine, discrete, solid particles composed of a metal, metal compound or a mixture of the same incorporated within the molded body in a uniform pattern of distribution, substantially free of agglomerations, as obtained by a p... | 01/05/1982 |
| 4288346 | Catalyst for catalytic heat exchange A process for catalytic heat exchange which comprises providing a ceramic coated metal heat transfer membrane having two sides, one of which is catalytic, flowing a first gas over the catalytic side of the ceramic coated metal heat transfer membrane to ge... | 09/08/1981 |
| 4242226 | Filter material and a method of manufacturing and using the same A filter material by which substances contained in gaseous or liquid media can be removed comprises a product in the form of a matrix of activated carbon. The product has uniformly dispersed therein at least one metal taken from the group Ca, Mg, Ba, Al, ... | 12/30/1980 |
| 4241035 | Synthetic imogolite An inorganic material akin to imogolite is synthesized. Imogolite is a natural product having tubular structure and occurs in some soils. The synthetic product has tubes of 13-17% greater diameter, and is made thus: Prepare an aqueous hydroxyaluminium silicate... | 12/23/1980 |
| 4163714 | Separating substances with pressure-driven affinity sorption membranes Pressure-driven affinity sorption membranes are prepared from a membrane filter composed of an insoluble matrix polymer or an interpolymer composite and used for separation and purification by passing therethrough solutions containing mixtures, one or mor... | 08/07/1979 |
| 4132668 | Method of preparing a hydrogen-permeable membrane catalyst on a base of palladium or its alloys for the hydrogenation of unsaturated organic compounds The invention is related to a method of preparing a hydrogen-permeable membrane catalyst on a base of palladium or its alloys for the hydrogenation of unsaturated organic compounds. According to the invention the surface of a metalloceramic sheet on a base ... | 01/02/1979 |
| 4097638 | Selectively sorptive reinforced sheet A reinforced sheet product for selective sorption of an immiscible liquid from a liquid mixture is disclosed. The reinforced sheet product comprises a flexible net-like reinforcing structure secured between at least two sheets or layers of non-woven mater... | 06/27/1978 |
| 4065512 | Iso-C4 compound reactions with perfluorosulfonic acid resin catalysts Perfluorosulfonic acid resin membranes are active catalysts for the hydration and polymerization of isobutene and dehydration of t-butanol. The membranes offer unique advantages for hydration and dehydration since they are semi-permeable to water and impe... | 12/27/1977 |
