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| Number | Title | Issue Date |
| 7005459 | Desiccant entrained polymer The present invention includes a composition having a co-continuous interconnecting channel morphology. These co-continuous interconnecting channels are predominately occupied with a polymer and particles that control the percolation through the composition. The par... | 02/28/2006 |
| 6990913 | Mulching process The soil mulching process, includes the following stages: mixing together at least two liquid starting substances able to react together to give rise, within a determined time period, to an inert solid final substance while still in the liquid state, pouring the obt... | 01/31/2006 |
| 6582811 | Method of and material for purification of physical liquids of organism, and method of producing the material A method of purification of physiological liquids of organism has the step of passing a physiological liquid through a material which has a size, a shape, and a structure selected so as to remove toxic compounds from the physiological liquid and is compos... | 06/24/2003 |
| 6486231 | Co-continuous interconnecting channel morphology composition The present invention includes a composition having a co-continuous interconnecting channel morphology. These co-continuous interconnecting channels are predominately occupied with a polymer and particles that control the percolation through the compositi... | 11/26/2002 |
| 6394212 | Rotary type construction machine and cab, equipment housing cover and counterweight for such construction machine A hydrophilic film coating (11) is formed on outer surfaces of cab (5), equipment housing cover (6) and counterweight (7) of an upper rotary body (2), so that a water film (18) is formed on the surface of the hydrophilic film coating by raindrops or at th... | 05/28/2002 |
| 6316520 | Monolithic polymer composition having a releasing material The present invention includes processes and resulting structures for producing a modified polymer having interconnecting channels. The interconnecting channels act as controlled transmission passages through the polymer. A hydrophilic agent is blended in... | 11/13/2001 |
| 6194079 | Monolithic polymer composition having an absorbing material The present invention includes processes and resulting structures for producing a modified polymer having interconnecting channels. The interconnecting channels act as controlled transmission passages through the polymer. A hydrophilic agent is blended in... | 02/27/2001 |
| 6174952 | Monolithic polymer composition having a water absorption material The present invention includes processes and resulting structures for producing a modified polymer having interconnecting channels. The interconnecting channels act as controlled transmission passages through the polymer. A hydrophilic agent is blended in... | 01/16/2001 |
| 6136424 | Method of and material for purification of physiological liquids of organism, and method of producing the material A method of purification of physiological liquids of organism has the step of passing a physiological liquid through a material which has a size, a shape, and a structure selected so as to remove toxic compounds from the physiological liquid and is compos... | 10/24/2000 |
| 6130263 | Desiccant entrained polymer The present invention includes processes and resulting structures for producing moisture absorbing desiccant entrained polymers. A polymer is caused to assume a molten state, typically by applying heat and melting the polymer. To achieve certain results i... | 10/10/2000 |
| 6027795 | Superabsorbent foams and method for producing the same An absorbent, microporous foam comprising a crosslinked polymer having interconnected fluid cells distributed throughout its mass, wherein the fluid cells have a diameter of between about 0.1 and about 100 μm, and wherein the foam can rapidly absorb at l... | 02/22/2000 |
| 6013688 | PVDF microporous membrane and method Methods for making microporous polyvinylidene fluoride (PVDF) membranes from vinylidene fluoride polymers and the products produced. The PVDF microporous membranes have a significantly faster flow rate at a given pore size as compared to equally-sized mic... | 01/11/2000 |
| 5985434 | Absorbent foam Disclosed is an absorbent foam that exhibits desirable softness and flexibility properties yet is highly absorbent. In one embodiment, the absorbent foam comprises a water-swellable, water-insoluble polymer wherein the absorbent foam exhibits a Free Swell... | 11/16/1999 |
| 5981070 | Water-absorbent agent powders and manufacturing method of the same A manufacturing method of water-absorbent agent powders of the present invention is a method of a reducing an amount of a residue of an epoxy crosslinking agent remaining therein by adding a nucleophilic reagent in a form of powder to surface region cross... | 11/09/1999 |
| 5976434 | Method for preparing hydrophilic polypropylene membrane Polypropylene (PP) membranes having a hydrophilic surface have been prepared by extracting a fugitive hydrophilic pore-forming agent from a gelled film prepared by evaporating the solvent from a homogeneous solution of isotactic polypropylene, functionali... | 11/02/1999 |
| 5968643 | Microporous film with improved properties A microporous, hydrophilic polymer film has a morphology composed of distinctively interconnected pores, which are desirably surface-open. In particular aspects, the film can provide for a water vapor transmission rate (WVTR) value of at least about 1000 ... | 10/19/1999 |
| 5942029 | Mechanically bonded fiber mulch A mechanically-bonded, water-absorbent fiber mulch including natural and crimped synthetic fibers that are intimately mixed to form a mechanically-bonded fiber mulch.... | 08/24/1999 |
| 5837365 | Hydrophilic polypropylene membranes Polypropylene (PP) membranes having a hydrophilic surface have been prepared by extracting a fugitive hydrophilic pore-forming agent from a gelled film prepared by evaporating the solvent from a homogeneous solution of isotactic polypropylene, functionali... | 11/17/1998 |
| 5779782 | Mechanically bonded fiber mulch and process for producing same A mechanically-bonded, water-absorbent fiber mulch including natural and crimped synthetic fibers that are intimately mixed to form a mechanically-bonded fiber mulch. A water-absorbent polymer-based material is dispersed throughout the fiber mulch to incr... | 07/14/1998 |
| 5780523 | Foamed pressure sensitive tapes The present invention relates to a pressure sensitive adhesive foam with a percentage of theoretical density less than 90 wherein the foam has an intrinsic adhesion of greater than about 1 N/cm and a compression set under constant deflection of less than ... | 07/14/1998 |
| 5763682 | Hydrophilic polyol and process for production thereof A hydrophilic polyol having a molecular weight of less than about 4500 and comprising ethylene oxide units and alkylene oxide units selected from propylene oxide, butylene oxide and mixtures thereof in a weight ratio of ethylene oxide units to alkylene ox... | 06/09/1998 |
| 5719201 | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof A foamed isocyanate-based polymer having a cellular structure and containing a superabsorbent material, the polymer being capable of: (i) absorbing at least about 20 times its weight of an aqueous fluid maintained at a temperature of from about 20° to ab... | 02/17/1998 |
| 5686502 | Water blown, hydrophilic, open cell polyurethane foams, method of making such foams and articles made therefrom Disclosed is a water blown, open cell, hydrophilic polyurethane foam, a process for preparing such a foam and articles made therefrom. Utilizing a one step process the foam is formed from a reaction mixture comprising an organic polyisocyanate, water, a r... | 11/11/1997 |
| 5674917 | Superabsorbent hydrophilic isocyanate-based foam and process for production thereof A foamed isocyanate-based polymer having a cellular structure and containing a superabsorbent material, the polymer being capable of: (i) absorbing at least about 20 times its weight of an aqueous fluid maintained at a temperature of from about 20° to ab... | 10/07/1997 |
| 5650450 | Hydrophilic urethane foam Hydrophilic polyurethane foams with rapid wet out properties are formed from the reaction product of an MDI-based or polymeric MDI-based isocyanate capped prepolymer with an aqueous component, such as water, and about 0.5 to 2.0 parts by weight, based on ... | 07/22/1997 |
| 5591542 | Battery diaphragm and battery with such a diaphragm A battery having a positive electrode, a negative electrode is equipped with a diaphragm between the electrodes. The diaphragm includes a hydrophilized polymer porous body with pores in which ethylene copolymer particles are held, having a melting point o... | 01/07/1997 |
| 5554659 | Injection molded PVA sponge A molded porous polyvinyl alcohol sponge includes an outer skin capable of absorbing and passing water to interior portions of the sponge, and is substantially smooth except for predetermined structural details imparted by the mold used in its making. The... | 09/10/1996 |
| 5504163 | Methylene-bridge aromatic polymer adsorbents with increased hydrophobicity Residual chloromethyl groups in methylene-bridged aromatic polymer adsorbents are susceptible to hydrolysis to benzyl alcohol groups and oxidation to benzoic acid groups. The introduction of these hydroxyl and carboxylic acid groups contributes to the wat... | 04/02/1996 |
| 5474740 | Biphasic foam blood mass transfer device The present invention relates to apparatus for transferring constituents into and out of a fluid such as blood. The apparatus includes a biphasic foam body which functions as a blood oxygenator, blood dialyzer, or other blood mass transfer device.... | 12/12/1995 |
| 5389692 | Structural strength coating and material A co-polymer composition for coating porous structural material includes a compatible surfactant resulting in a structural inter-bonding between the coating composition and the structural material. The co-polymer composition cured in a layer of unsupporte... | 02/14/1995 |
| 5349040 | Two-component polyurethane adhesives Disclosed herein is a two-component polyurethane adhesive containing an isocyanate component a), an active hydrogen containing component which is stable against demixing b), optionally a catalyst for the reaction of a) with b) and optionally an auxiliary ... | 09/20/1994 |
| 5336695 | Hydrophilic foams and processes for their manufacture Hydrophilic foams based on a polyurethane gel material which can be obtained from one or more polyether-polyols selected from the group comprising substances formed by the addition of propylene oxide and optionally ethylene oxide on to conventional starte... | 08/09/1994 |
| 5260345 | Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials Disclosed are absorbent foam materials suitable for use as or in the absorbent cores of absorbent articles, such as diapers which absorb and retain aqueous body fluids. Such foam materials comprise hydrophilic, flexible open-celled structures which are pr... | 11/09/1993 |
| 5244930 | Biphasic foam blood mass transfer device The present invention relates to apparatus for transferring constituents into and out of a fluid such as blood. The apparatus includes a biphasic foam body which functions as a blood oxygenator, blood dialyzer, or other blood mass transfer device.... | 09/14/1993 |
| 5231116 | Hydrophilic urethane prepolymer composition A urethane prepolymer composition useful as sealant is disclosed. The composition comprises a reaction product of an organic polyisocyanate and a polyether polyol mixture at an NCO/OH equivalent ratio from 1.6 to 2.5. The polyether polyol mixture contains... | 07/27/1993 |
| 5207705 | Prosthesis of foam polyurethane and collagen and uses thereof An implantable medical prosthesis is provided having a uniform mixture of foam polyurethane and collagen. The prosthesis can be shaped into an elongated hollow body tube useful for implantation in an animal. Alternatively, the prosthesis can be shaped int... | 05/04/1993 |
| 5171308 | Polyesters and their use in compostable products such as disposable diapers The invention provides novel polyesters, fibers and films, nonwovens from the fibers and disposable products of the polyesters such as diapers. The products are degradable under the conditions typically existing in waste composting processes, have low ing... | 12/15/1992 |
| 5171309 | Polyesters and their use in compostable products such as disposable diapers The invention provides novel polyesters, fibers and films, nonwovens from the fibers and disposable products of the polyesters such as diapers. The products are degradable under the conditions typically existing in waste composting processes, have low ing... | 12/15/1992 |
| 5164421 | Hydrophilic polyurethane foams Hydrophilic polyurethane foams containing residues of a polyalkylene glycol monoalkyl or alkaryl ether may be produced by reacting the ether with an isocyanate having a functionality of greater than two and using only stoichiometric amounts or small exces... | 11/17/1992 |
| 4997858 | Method for preparing a flexible polyurethane foam A method for preparing a flexible polyurethane foam, wherein a polyether-polyol having an average molecular weight from 1000 to 8000 and an average functionality not larger than 4, is brought into reaction with an organic polyisocyanate in the presence of... | 03/05/1991 |
