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| Number | Title | Issue Date |
| 7326363 | Dehumidifying element and manufacturing method for the same A dehumidifying element includes a super absorbing polymer (SAP), and a hygroscopic base, thereby maintaining hygroscopic characteristics regardless of aging and a high humidity absorbing rate and needing a smaller amount of energy for regeneration. ... | 02/05/2008 |
| 7201962 | Hemocompatible coated polymer and related one-step methods A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing ... | 04/10/2007 |
| 7166356 | Superabsorbent polymers having radiation activatable surface cross-linkers and method of making them The present invention relates to superabsorbent polymer particles with improved surface cross-linking and their use in absorbent articles. The superabsorbent polymer particles of the present invention comprise a water-absorbing resin and the reaction product ... | 01/23/2007 |
| 7025198 | Absorbent pad with controlled rate of wicking The invention provides an absorbent pad for a case-ready package that has a controlled rate of wicking. The packaging comprises a support member, a food product that exudes liquids positioned on the support member, an absorbent pad between the food product and the s... | 04/11/2006 |
| 6583220 | Biological fluid absorbing pressure sensitive adhesives A pressure-sensitive adhesive material made of an elastic mixture comprising a continuous phase formed from a physically cross-linked solid rubber such as a styrene-olefin-styrene block copolymer, for example a styrene-isoprene-styrene block copolymer, an... | 06/24/2003 |
| 5939086 | Compositions and methods for reducing the amount of contaminants in aquatic and terrestrial environments The invention provides contaminant-reducing agent delivery compositions that are useful for the control of organic or inorganic contaminants in aquatic or terrestrial environments. The compositions comprise one or more superabsorbent solid organic polymer... | 08/17/1999 |
| 5789462 | Photocured crosslinked-hyaluronic acid contact lens A photocured crosslinked-hyaluronic acid contact lens which comprises a photocured crosslinked-hyaluronic acid derivative produced by the formation of a crosslinked cyclobutane ring by light irradiation from mutual photoreactive crosslinking groups of a p... | 08/04/1998 |
| 5716707 | Water absorbent compositon and material The present invention relates to a water absorbent composition comprising 100 parts by weight of water absorbing polymer particles and 0.5 to 30 parts of a resin powder having heat adhesion property at 50°-200° C. The present invention also relates to a... | 02/10/1998 |
| 5633316 | Surface crosslinked and surfactant coated absorbent resin particles and method of preparation The invention is surface crosslinked particles of water absorbing resin comprising particles of a carboxyl containing water-absorbent resin; wherein the particles of the carboxyl containing water-absorbent resin are crosslinked at or near the particle sur... | 05/27/1997 |
| 5350799 | Process for the conversion of fine superabsorbent polymer particles into larger particles This invention is a method for converting fine particles of superabsorbent polymers into larger particles. The invention is primarily directed to aqueous solution processes for preparing superabsorbent polymers. In such aqueous solution polymerization met... | 09/27/1994 |
| 5340853 | Polymer-based swelling and absorbing agents with an improved degradability and an improved absorption for water, aqueous solutions and body liquids and the use of said agents for the production of hygienic articles and for soil conditioning The present invention relates to an absorbing and swelling agent for water, aqueous solutions and body liquids, which consists of a mixture of at least two components, whereby component A is at least a water-swellable, synthetic polymer or copolymer cross... | 08/23/1994 |
| 5135965 | Hydrogel-forming polymers used in intraocular lenses Hydrogel-forming polymers for contact lenses and intraocular lenses having increased toughness despite high equilibrium water content comprise a hydrophilic monomer (e.g. an N-vinyl lactam) and a polyunsaturated polymeric cross-linking agent. UV-absorbers... | 08/04/1992 |
| 5091443 | Composition for gelling liquids A gelling composition for an aqueous liquid includes ungellated starch which has been reacted with a silane coupling agent. In preferred compositions, the starch is a starch-polyacrylate graft copolymer and the composition includes a polyacrylate gelling ... | 02/25/1992 |
| 5047513 | Metal chelate resins Metal chelate resins whose complexed nitrilotriacetic acid residues are bound to a carrier matrix via a spacer and which are suitable for metal chelate chromatography of proteins, especially those which contain neighboring histidines.... | 09/10/1991 |
| 5002986 | Fluid absorbent compositions and process for their preparation This invention relates to fluid absorbent polymer compositions having the ability to absorb aqueous ionic fluids and water rapidly and efficiently. These fluid absorbent polymer compositions are prepared from fine base polymer particles which are ionicall... | 03/26/1991 |
| 4977211 | Water-absorptive resin composition A water-absorptive resin composition which comprises (A) 5 to 95% by weight of a water-absorptive resin and 95 to 5% by weight of (B) a polyolefin resin and (C) an ethylene/-olefin copolymer rubber, based on the total contents of said components (A... | 12/11/1990 |
| 4877830 | Metal chelate resins Metal chelate resins whose complexed nitrilotriacetic acid residues are bound to a carrier matrix via a spacer and which are suitable for metal chelate chromatography of proteins, especially those which contain neighboring histidines.... | 10/31/1989 |
| 4663388 | Process for producing filled or reinforced polymer compositions Saccharides having pendant ethylenically unsaturated groups covalently bonded thereto are employed as coupling agents in filled and/or reinforced polymer compositions. Said saccharide is applied to the surface of a particulate or fibrous filler and/or rei... | 05/05/1987 |
| 4590227 | Water-swellable elastomer composition Water-swellable elastomer composition consisting essentially of a homogeneous mixture of an elastomer, a water-absorbent resin and a water-soluble resin. Said composition exhibits a high degree of swelling and a high swelling rate when it is soaked in wat... | 05/20/1986 |
| 4507438 | Water-absorbent resin having improved water-absorbency and improved water-dispersibility and process for producing same Water-absorbent resins having improved water-absorbency, water-absorption rate and water-dispersibility can be produced by crosslinking a water-absorbent resin comprising a carboxylate as a constituent of the resin with a crosslinking agent having at leas... | 03/26/1985 |
| 4483950 | Modified starches as extenders for absorbent polymers Starch-based superabsorbents are extended by blending with highly modified, low molecular weight starches. The dextrinized starches synergistically interact with the superabsorbents thereby permitting dilution without a commensurate reduction in the water... | 11/20/1984 |
| 4447562 | Amino-polysaccharides and copolymers thereof for contact lenses and ophthalmic compositions Aminopolysaccharides and copolymers thereof, primarily those of N-acetyl-D-glucosamines and derivatives and various monomers, is described.... | 05/08/1984 |
| 4418176 | Self-crimping acrylic fiber from a melt of two non-compatible polymers A self-crimping, melt-spun acrylonitrile polymer fiber comprising as the continuous fiber matrix a first polymer comprising from about 80 to about 99 weight percent acrylonitrile and from about 1 to about 20 weight percent of one or more monomers copolyme... | 11/29/1983 |
| 4323487 | Absorbent starch graft polymer and method of its preparation A water absorbent composition and method of preparing the same having improved wicking characteristics and comprising a combination of hydrolyzed starch polyacrylonitrile graft copolymer and a source of formaldehyde.... | 04/06/1982 |
| 4282121 | Resilient starch graft polymer polyhydric alcohol product A starch-hydrolyzed polyacrylonitrile graft copolymer dispersed in polyhydric alcohols such as glycerol combines to form a resilient, soft, shock absorbent type material after heating. The material is useful for seat pads, artificial limb pads, toys and o... | 08/04/1981 |
| 4279791 | Recovery of cerium from polymer dispersions This invention relates to removal of cerium, used as a free-radical initiator, from aqueous polymeric dispersions, particularly starch graft copolymer dispersions, by adsorbing cerium (III) onto a strong cation exchange resin, to separation of the adsorbe... | 07/21/1981 |
| 4243769 | Compatibilization of blends and composites Compatibilized blends and composites of materials containing nitrile functionality with materials normally incompatible therewith are formed by mixing the components in the presence of an acid compatibilizing agent.... | 01/06/1981 |
| 4172058 | Chemical process and substance for inhibition of fluid evaporation The admixing of highly absorbent starch-containing polymeric compositions with higher fatty alcohols containing 12 carbon atoms per molecule to 24 carbon atoms per molecule, thereby reducing and/or inhibiting the evaporation of fluid from the highly absor... | 10/23/1979 |
| 4166051 | Ostomy composition A composition adapted for use around the stoma consisting of a homogeneous mixture of a pressure sensitive adhesive component, mineral oil, and hydrocolloid gums or cohesive strengthening agents or a mixture of hydrocolloid gums and cohesive strengthening... | 08/28/1979 |
| 4159260 | Dispersible starch graft copolymer blend A blend of hydrolyzed polyacrylonitrile-starch graft copolymer and a fatty quaternary ammonium chloride which exhibits good wicking and dispersing properties.... | 06/26/1979 |
| 4123397 | Agglomeration of starch-hydrolyzed polyacrylonitrile graft copolymer A method of agglomerating and desolventizing starch-hydrolyzed polyacrylonitrile graft copolymer using atomized, liquid water.... | 10/31/1978 |
| 4116899 | Increasing absorbency of polymeric compositions by curing Absorbent polymeric compositions are prepared by drying aqueous dispersions of physical mixtures of polyhydroxy polymers, such as starch, with carboxylate-containing synthetic polymers, such as saponified polyacrylonitrile of partially saponified polyacry... | 09/26/1978 |
| 4069177 | Water absorbing and urine stable step-wise grafted starch-polyacrylonitrile copolymers Alkali metal carboxylate salts of starch-polyacrylonitrile graft copolymers produced by saponifying a starch-polyacrylonitrile graft copolymer are improved significantly by employment of step-wise grafting of the acrylonitrile, and by employment of starch... | 01/17/1978 |
| 4045387 | Highly absorbent polymeric compositions derived from flour Absorbent polymeric compositions are prepared by graft polymerizing acrylonitrile onto flour or other starch-containing substrates and then subjecting the flour-polyacrylonitrile graft copolymers to alkaline saponification. Compositions prepared from gela... | 08/30/1977 |
| 3997484 | Highly-absorbent starch-containing polymeric compositions Starch-containing polymer compositions are prepared which absorb amounts of water equaling up to more than 1000 times their own weight. The compositions find many applications including their incorporation into products such as disposable diapers, surgica... | 12/14/1976 |
| 3935099 | Method of reducing water content of emulsions, suspensions, and dispersions with highly absorbent starch-containing polymeric compositions Starch-containing polymer compositions are prepared which absorb amounts of water equaling up to more than 1000 times their own weight. The compositions find many applications including their incorporation into products such as disposable diapers, surgica... | 01/27/1976 |
