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| Number | Title | Issue Date |
| 7425597 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 09/16/2008 |
| 7407561 | Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking The present invention relates to a method for controlling pitch and stickies deposit in a pulp and papermaking process using crosslinked cationic polymers made by controlled addition of a water soluble radical initiator at reaction temperature with agitation for cha... | 08/05/2008 |
| 7238752 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 07/03/2007 |
| 7214754 | Polymerizable polyol (allyl carbonate) compositions A polymerizable composition is described, which composition comprises a major amount of a polyol(allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate) monomer, and a minor amount of a radically polymerizable second monomer represented by the general... | 05/08/2007 |
| 7205369 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 04/17/2007 |
| 6930221 | Absorbent structure having improved absorption properties An absorbent structure in an absorbent article such as a diaper, a pant diaper, an incontinence guard, a sanitary napkin or the like, includes a combination of a porous material such as fibers and/or foam, and at least 50% by weight of a superabsorbent material in a... | 08/16/2005 |
| 6740719 | Process for reducing protein allergens in latex products Described is a process for reducing the antigenicity of sap and products made from the sap of the Hevea brasilisensis plant and other rubber plants. The process involves contacting sap or a latex rubber product with a mono or dialdehyde, a semialdehyde or any... | 05/25/2004 |
| 6723774 | Method for producing caoutchouc particles The invention relates to a method for producing caoutchouc particles (K) by means of emulsion polymerisation in the presence of an emulsifier and a polymerisation initiator. Said particles contain A) 80 to 100 wt. % of one or more conjugated diene monomers (A) in re... | 04/20/2004 |
| 6673889 | Radiation curable coating containing polyfuorooxetane Acrylate, or methacrylate, or allylic, functionalized polyfluorooxetanes are disclosed for use in radiation curable coating compositions. These acrylate, or methacrylate, or allylic, functionalized polymers provide improvements in wetting and surface prop... | 01/06/2004 |
| 6646083 | Crosslinked polymers containing tertiary amine and/or quaternary ammonium salt structures, processes for making and uses thereof Crosslinked polymers excellent in ion exchange capacity and catalytic activity and in resistance to thermal decomposition and widely applicable in various fields of use; a crosslinking agent which is suited for use as a raw material in the production of c... | 11/11/2003 |
| 6586549 | Water-absorbing composition and its use The present invention provides: a water-absorbing composition such that portions containing the water-absorbing composition in a high concentration exhibit excessive-liquid permeation buffering effects in absorbent articles comprising the water-absorbing ... | 07/01/2003 |
| 6583234 | Process for preparing waterfastness additive Disclosed is a process which comprises (a) reacting allyl bromide with diethyl amine in a molar ratio of at least about 1 mole of allyl bromide per about 1.15 moles of diethyl amine and in a molar ratio of no more than about 1 mole of allyl bromide per ab... | 06/24/2003 |
| 6569968 | Polymer of a water-soluble radical-polymerizable monomer, process for producing the polymer and flocculant comprising the polymer A process for producing a polymer of a diallylalkylammonium halide which comprises polymerizing the diallylalkylammonium halide in the presence of a polymerization initiator in an aqueous solution containing a nitroxy radical.... | 05/27/2003 |
| 6562929 | Conjugated diene-based rubber and method of producing the same, oil extended rubber and rubber composition containing the same An objective of the invention is to provide a conjugated diene-based rubber having a specific composition and a method of producing the same, an oil extended rubber using the same, as well as a rubber composition capable of being converted into a vulcaniz... | 05/13/2003 |
| 6528605 | Diyne-containing (co)polymer, processes for producing the same, and cured film A diyne-containing (co)polymer which is soluble in organic solvents, has excellent processability, and gives a cured coating film excellent in heat resistance, solvent resistance, and low-dielectric characteristics, and mechanical strength; processes for ... | 03/04/2003 |
| 6399702 | Butadiene polymer latex An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepar... | 06/04/2002 |
| 6391992 | Sulfonate-terminated oligomers of vinyl esters and their vinyl alcohol oligomer derivatives Oligomers of vinyl esters, preferably of vinyl acetate, are provided in which the molecules contain a single terminal sulfonate group, thereby making these products useful as surface-active agents. These oligomers can be converted by hydrolysis to sulfona... | 05/21/2002 |
| 6335391 | Copolymer latex for adhesive for rubber/metal adhesion and process for producing same A latex adhesive for rubber/metal adhesion, which contains a copolymer consisting of, based on the weight of the copolymer, (A) 90.0 to 97.0% by weight of 2,3-dichloro-1,3-butadiene units, (B) 1.5 to 5.0% by weight of 1,2-dichloro-1,3-butadiene units, and... | 01/01/2002 |
| 6177530 | Antifouling paint composition An antifouling paint composition comprising, as a vehicle, a copolymer from a monomer mixture comprising of (a1) a metal-containing polymerizable monomer having two unsaturated groups and (a2) a metal-containing polymerizable monomer... | 01/23/2001 |
| 6084046 | Copolymer and copolymer composition A random copolymer comprising ethylene, an -olefin and a branched conjugated polyvalent olefin, wherein (i) ethylene, the -olefin and an iodine value respectively satisfy the following inequalities: 0 | 07/04/2000 |
| 6084045 | Cationic polymer The invention provides a water swellable, water-insoluble polymer comprising units derived from a diallylic quaternary ammonium salt monomer cross-linked by a suitable polyfunctional vinyl compound, at least a substantial proportion of the function groups... | 07/04/2000 |
| 6034173 | Two-step process for the preparation of (co) polychloroprene The present invention relates to the preparation of (co)polychloroprene latex in water emulsion, in the presence of an emulsifying system which comprises a first step (A) wherein a fraction f1 of monomers is used together with an emulsifying sy... | 03/07/2000 |
| 5962140 | Golf ball comprising fluoropolymer A golf ball having a core and/or an intermediate layer comprising a functionalized fluoropolymer wherein the fluoropolymer may be a perfluoropolymer that is sulfonated or carboxylated or a derivative thereof. The fluoropolymer material may be blended with... | 10/05/1999 |
| 5905127 | Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c... | 05/18/1999 |
| 5824726 | Multi-phase polymerization process The present invention provides a multi-phase polymerization process for making a water insoluble polymer. The process includes (1) providing a mixture comprising carbon dioxide and an aqueous phase, and containing a monomer and a polymerization initiator,... | 10/20/1998 |
| 5824758 | Copolymer of chloroprene and -cyanoacrylate A copolymer comprising monomer units of the following chemical formulas (1) and (2), wherein the total number of these monomer units is from 10 to 5,000: ##STR1## wherein R in the formula (2) is a C1-16 alkyl group, a C2-16 ... | 10/20/1998 |
| 5773544 | Polychloroprene composition Crystalline polychloroprene compositions comprise mercaptan-modified or xanthogen disulfide-modified 2-chloro-1,3-butadiene homopolymers having gel contents of 5-80 percent by weight. The polymers are prepared by free radical emulsion polymerization at a ... | 06/30/1998 |
| 5767214 | Process for preparing (co)polychloroprene rubber Process for preparing (co)polychloroprene rubber, comprising: a first step (a) in which a portion of a polymerizable composition is partially polymerized according to a batchwise process, a second step (b) in which the residual polymerizable composition is seq... | 06/16/1998 |
| 5741847 | Polymer polyols containing halogenated aromatic monomers and polyurethane foam made therefrom A polymer polyol is produced by a process comprising free radical polymerizing an addition polymerizable di-(substituted phenyl)monomer (e.g., methacrylic ester of diglycidylether of tetrabromobisphenol A) component in the presence of a polyol, wherein th... | 04/21/1998 |
| 5691446 | Methods for reducing allergenicity of natural rubber latex articles and articles so produced Reduced allergenicity natural rubber latex articles having otherwise normal physical, mechanical, and chemical properties are produced by inducing the antigenic components of the natural rubber latex to bloom onto and adjacent to the tissue contacting sur... | 11/25/1997 |
| 5684106 | Superabsorbent polymers and products containing them Particulate superabsorbent polymeric material which is a partially neutralised polymer of an ethylenically unsaturated carboxylic monomer cross linked by a triethylenic or higher ethylenic cross linking agent, preferably tetra allyl ammonium chloride, abs... | 11/04/1997 |
| 5625018 | Process for producing chloroprene rubber A chloroprene rubber having a shade of white only slightly tinged with pale yellow and exhibiting good tackiness is prepared by an aqueous radical emulsion polymerization of chloroprene or a mixture comprised of chloroprene and a copolymerizable monomer, ... | 04/29/1997 |
| 5597858 | Hydrophobically associating dispersants used in forming polymer dispersions An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer a water soluble hydrophobically associating copolymer of ... | 01/28/1997 |
| 5530077 | Multi-phase polymerization process The present invention provides a multi-phase polymerization process for making a water insoluble polymer. The process includes (1) providing a mixture comprising carbon dioxide and an aqueous phase, and containing a monomer and a polymerization initiator,... | 06/25/1996 |
| 5514759 | Multi-phase polymerization process The present invention provides a multi-phase polymerization process for making a water insoluble polymer. The process includes (1) providing a mixture comprising carbon dioxide and an aqueous phase, and containing a monomer and a polymerization initiator,... | 05/07/1996 |
| 5500323 | Charge control with cyclic polysulfonyldially ammonium salts Cyclic polysulfonyldiallylammonium salts which are obtainable by a) copolymerization of salts, preferably halides, of monomeric diallylammonium components of the formula (I) ##STR1## with sulfur dioxide or a compound which liberates sulfur dioxide, and b... | 03/19/1996 |
| 5468789 | Method for making radiation curable silicon containing polyacrylate hardcoat compositions and compositions made thereby A method is provided for making curable silicon containing acrylate silicone hardcoat compositions which employ an anaerobic gelation inhibitor such as galvinoxyl. Devolatilizing of an aqueous/organic solvent mixture from the silicon containing acrylate h... | 11/21/1995 |
| 5449724 | Stable free radical polymerization process and thermoplastic materials produced therefrom A free radical polymerization process for the preparation of a thermoplastic resin includes heating a mixture comprised of a free radical initiator, a stable free radical agent, and ethylene at a temperature of from about 40° C. to about 500° C. and at ... | 09/12/1995 |
| 5422408 | Polymerization of diallyldialkyl ammonium halide compounds with azo compound and inorganic salt The present invention provides a process for polymerizing diallyldialkyl ammonium compounds to produce polymers with increased molecular weight in which the polymerization is carried out in an aqueous medium containing an inorganic salt and a water solubl... | 06/06/1995 |
| 5405913 | Free radical copper(II)-enolate polymerization initiators The invention describes a redox initiating system consisting of CuII salts, enolizable aldehydes and ketones, and various combinations of coordinating agents for CuII, coordinating agents for CuI, and a strong amine base t... | 04/11/1995 |
