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| Number | Title | Issue Date |
| 7329701 | Superabsorbent polymers and method of manufacturing the same Superabsorbent polymer (SAP) particels containing a clay are disclosed. The clay is added to an SAP hydrogel prior to SAP neutralization to provide particles having improved fluid acquisition rates and an improved permeability of a fluid through the swollen SAP-clay... | 02/12/2008 |
| 7232528 | Surface treatment agent for copper and copper alloy The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and copper alloys is useful in the production of printed wiring boards in elec... | 06/19/2007 |
| 7141626 | Fiberglass non-woven catalyst The present invention relates to novel catalysts for use with a fiberglass non-woven binder. The catalyst can be a Lewis acid, an organic acid salt, a free-radical generator, or a mixture thereof. The catalyst provides stronger bonding, increased crosslinking densit... | 11/28/2006 |
| 7135529 | Golf ball comprising saturated rubber/ionomer block copolymers The invention provides golf balls with a core and with one or more layers, preferably cover layers, formed of a saturated rubber/ionomer block copolymer comprising one or more neutral thermoplastic polymer blocks and one or more ionomeric blocks. The saturated rubbe... | 11/14/2006 |
| 7122602 | Process of making polymeric hydrogels by reactive extrusion What is described is a reactive extrusion process of making a polymeric hydrogel of a polymeric anhydride or acid, e.g. maleic anhydride or maleic acid polymer, or copolymer thereof, crosslinked with a crosslinking agent containing at least 2 crosslinkable groups, p... | 10/17/2006 |
| 6956090 | Method for obtaining water-soluble polymers, resulting polymers and uses thereof A method of obtaining homopolymers and/or copolymers in aqueous solution by the use of phosphorous acid and/or its salts or sodium hypophosphite and by neutralization during the polymerisation of the ethylenically unsaturated monomers by the continuous addition, fir... | 10/18/2005 |
| 6953820 | Highly-neutralized ethylene copolymers and their use in golf balls Thermoplastics with high resilience (high coefficient of restitution) and softness (low Atti compressions) and their use in golf ball components. Melt-processible, highly-neutralized ethylene acid copolymers and process for making them by incorporating an aliphatic,... | 10/11/2005 |
| 6939477 | Temperature-controlled induction heating of polymeric materials The present invention provides new polymer induction bonding technology. Induction heating technologies are utilized to weld, forge, bond or set polymer materials. The invention provides controlled-temperature induction heating of polymeric materials by mixing ferro... | 09/06/2005 |
| 6831116 | Polymeric modifying agents Novel modifying agents contain a sharply-melting crystalline polymer ingredient, preferably a side chain crystalline (SCC) ingredient, and an active chemical ingredient. Such modifying agents, especially when in the form of particles, can be placed in contact with a... | 12/14/2004 |
| 6767973 | Use of water soluble polymers as dispersion agent of aqueous calcium carbonate suspension, resulting aqueous suspensions and their uses The invention relates to the use of homopolymers and/or water-soluble copolymers of acrylic acid with one or more acrylic, vinyl or allylic monomers as dispersing agents for aqueous suspensions of mineral particles issuing from a mechanical and/or thermal reconcentr... | 07/27/2004 |
| 6727323 | Process for reducing odor emission in aqueous polymer dispersions and in polymer powders A process for reducing odor emission in aqueous polymer dispersions and in polymer powders comprises admixing an aqueous dispersion of a polymer obtained by free-radical polymerization of one or more ethylenically unsaturated monomers, after conclusion of the polyme... | 04/27/2004 |
| 6703451 | Superabsorbent resin composition A superabsorbent resin composition comprising the following components components (A) and (D), wherein (A) is a superabsorbent resin, and (D) a coordination compound in which a chelating agent is coordinated with metal A.... | 03/09/2004 |
| 6667377 | Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups This invention concerns ionomers comprising monomer units of vinylidene fluoride and monomer units of perfluorovinyl ethers having pendant groups containing fluoroalkyl sulfonyl methide or fluoroalkyl sulfonyl imide derivatives and univalent metal salts t... | 12/23/2003 |
| 6512058 | Method of producing modified vinyl ether polymers This invention relates to a method of producing modified vinyl ether polymers, wherein vinyl ether polymers comprising recurring units of general formula (I) ##STR1## where R represents a C2 -C4 alkyl group and x denotes an integer ... | 01/28/2003 |
| 6281255 | Methods for regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate Regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate is disclosed. Preferably, the alkali metal is sodium. The combination can be naturally available sodium sesquicarbonate.... | 08/28/2001 |
| 5929174 | Ionomer compositions, processes for their preparation, uses and conversion processes therefor The invention concerns a polymer derived from ethylene and at least 5 wt % of acrylic acid neutralised by a divalent cation (D) and a monovalent cation (M) at a mol ratio D/(D+M) of from 0.3 to 0.8 with at least 23 mol % of the acrylic acid derived acid g... | 07/27/1999 |
| 5906892 | Electron acceptor compositions on polymer templates Stable electron acceptor compositions are composed of a plurality of pillared metal complexes disposed on a supporting substrate. At least one Group VIII metal at zero valence is entrapped within this matrix. The complexes comprise from one to about 100 u... | 05/25/1999 |
| 5891956 | Water-soluble polymers and compositions thereof Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, gua... | 04/06/1999 |
| 5877225 | Method of reducing the volume of a mixture of resin powder and inert synthetic fibers A method of reducing the volume of a mixture of filter fibers and a powder-form ion-exchange resin, produces a waste product that is particularly suitable for ultimate disposal. A solvent which dissolves the filter fibers is added to the mixture and a mix... | 03/02/1999 |
| 5856410 | Polyacrylate superabsorbent post-polymerization neutralized with solid, non-hydroxyl neutralizing agent. A new and improved method of manufacturing an acrylic acid superabsorbent polymer, that is manufactured by any known technique, except that the acrylic acid monomer is polymerized to substantial completion before neutralization, and neutralization is acco... | 01/05/1999 |
| 5798394 | Rubber devulcanization process A process for devulcanizing and functionalizing a rubber vulcanizate by desulfurization involves suspending a rubber vulcanizate crumb in a solvent which preferably swells the rubber vulcanizate before or during the devulcanization reaction and adding an ... | 08/25/1998 |
| 5741865 | Fatty alkly diethanolamines to stabilize the optical clarity of polyols containing zinc fatty acid salts The tendency to opacify of a polyol composition comprising one or more zinc fatty acid salts such as zinc stearate, added to form a mold release agent when the polyol is converted to a molded polyurethane article, is retarded by the presence of a small bu... | 04/21/1998 |
| 5736601 | Grinding and/or dispersing agent containing polymers and/or copolymers partially neutralized by magnesium for aqueous suspensions of mineral substances, to be used in pigmentary applications A grinding agent containing polymers and/or copolymers partially neutralized by magnesium, for aqueous suspensions of mineral substances to be used in pigmentary applications is disclosed. A grinding agent composed of polymers and/or copolymers having a specif... | 04/07/1998 |
| 5635568 | Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups A process of making a mixed salt of a polymer containing an anhydride, acid or ester side groups therein which comprises: (a) forming a reaction mixture of the polymer, mixed salt compounds and water, in a predetermined proportion, as a paste or slurry, (b) re... | 06/03/1997 |
| 5567779 | Super-absorbent polymers A process for the production of super-absorbent polymers with a swelling capacity in water-containing liquids of up to 1,000 g/g in which aqueous emulsions of particularly high molecular weight polymers of acrylonitrile are partly hydrolyzed by reaction w... | 10/22/1996 |
| 5561167 | Antibacterial fiber, textile and water-treating element using the fiber and method of producing the same An antibacterial fiber includes an ion exchange fiber and an antibacterial metal ion entrapped within the ion exchange fiber through an ion exchange reaction. The invention also discloses antibacterial textiles and water-treating element using the fibers.... | 10/01/1996 |
| 5496860 | Antibacterial fiber, textile and water-treating element using the fiber and method of producing the same An antibacterial fiber includes an ion exchange fiber and an antibacterial metal ion entrapped within the ion exchange fiber through an ion exchange reaction. The invention also discloses antibacterial textiles and water-treating element using the fibers.... | 03/05/1996 |
| 5491199 | One step production of low salt vinylamine polymers Salt-free poly(vinylamine) and vinylamine copolymers are formed by heating N-vinylformamide or N-vinylformamide copolymers to a temperature from about 50° to 225° C. in an aqueous medium in the presence of a catalyst comprising a transition metal which ... | 02/13/1996 |
| 5280083 | Method of forming a stabilized vulcanizate of chloro rubbers and said vulcanizate Calcium aluminum hexahydrate is a useful curative-stabilizer for halogenated rubbers such as chloronated polyethylene, chlorosulfonated polyethylene and polychloroprene as it can yield vulcanizates free of leachable lead. Also, these vulcanizates with abo... | 01/18/1994 |
| 5272216 | System and method for remotely heating a polymeric material to a selected temperature Both a system and method are provided for remotely heating a polymeric material to a selected temperature. The system generally comprises particulate ferromagnetic material dispersed throughout the polymeric material to form a composite, wherein the parti... | 12/21/1993 |
| 5227431 | Diene polymers and copolymers jumped by partial crosslinking and terminated with a substituted imine Diene polymer or copolymer compositions having reduced hysteresis are provided. The compositions comprise a mixture of diene polymers or copolymers containing carbon-tin bonds in the main polymer or copolymer chains prepared by coupling polymer or copolym... | 07/13/1993 |
| 5225090 | Visible gels prepared using stainless steel as a crosslinking agent Visible gels are formed by mixing an inorganic crosslinking agent with a low viscosity aqueous solution having a low polyacrylamide content. The visible gels are employed to reduce the water/hydrocarbon permeability ratio of subterranean formations.... | 07/06/1993 |
| 5149745 | Transition metal crosslinking of acid-containing polymers Acid-functional polymer is reacted with a transition metal compound at a temperature above a Tg of the polymer to produce crosslinked polymer. The process produces a liquid polymer product that dries to a crosslinked film without the required p... | 09/22/1992 |
| 5081195 | Hydrolysis of polymers This invention relates to a process for hydrolysing polymeric amides with a hydrolysing agent at elevated temperatures under the influence of ultrasound in a homogeneous reaction medium. The reaction is particularly suited to the production of polyacrylic... | 01/14/1992 |
| 4798861 | Surface treatment of polymers The properties of water soluble or, especially water swellable polymer particles are improved by surface cross linking that is caused by providing a dispersion of gel polymer particles in an organic solvent, reacting the surfaces of these particles with d... | 01/17/1989 |
| 4767804 | Control of transformations within polymers and products thereof The invention provides a polymer derivative comprising the reaction product of a metal compound and a polymer having functional groups. The metal compound may be an acetate, carbonate, chloride, hydroxide, oxalate, oxide or sulphate of Al, Ba, Ca, Ce, Cd,... | 08/30/1988 |
| 4604420 | Vulcanizable polymer compositions with improved scorch Vulcanizable polymer compositions with improved scorch are provided comprising a carboxylated nitrile rubber or a carboxylated styrene-butadiene rubber, one or more polyvalent metal oxides and one or more alkali metal salts selected from the lithium, sodi... | 08/05/1986 |
| 4587307 | Quality of isobutene polymers in reactions with maleic anhydride The processing properties of isobutene polymers when reacted with maleic anhydride are improved by a method in which these polymers are brought into contact, for an effective period, with aluminum oxide and/or a completely or partially hydrated aluminum o... | 05/06/1986 |
| 4525517 | Vulcanizable polymer compositions with improved scorch Vulcanizable polymer compositions with improved scorch are provided comprising a carboxylated nitrile rubber, one or more polyvalent metal oxides and one or more alkali metal salts selected from the lithium, sodium and potassium salts of C12-18... | 06/25/1985 |
| 4517330 | Floor polish composition having improved durability This invention is directed to floor polish vehicle compositions which yield floor polishes displaying improved durability. These floor polish vehicle compositions comprise a water insoluble emulsion copolymer containing acid functional monomer residues, t... | 05/14/1985 |
