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| Number | Title | Issue Date |
| 7375173 | Ecofriendly cationic polyelectrolytes The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative, a (meth)acrylic acid derivative and/or hydrolysis-stable cationic mo... | 05/20/2008 |
| 7015279 | Composition and method for preparing novel cationic thickeners A composition and method for a linear or crosslinked cationic polyelectrolyte, involving copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer. ... | 03/21/2006 |
| 6887935 | Modified polymeric flocculants with improved performance characteristics Methods for the preparation of high molecular weight cationic poly(meth) acrylamide/quaternary ammonium salt copolymers are disclosed wherein after at least about 50% of the monomers have been polymerized, a cross-linking agent is then added to the reaction mixture ... | 05/03/2005 |
| 6861469 | Water-in-oil polymer dispersions with improved environmental compatibility The invention relates to water-in-oil polymer dispersions consisting of a continuous organic phase and water-soluble polymers finely distributed therein, wherein said polymers have a radical monomer content of less than 1,000 ppm. The invention also relates to a met... | 03/01/2005 |
| 6562926 | Method for producing water-soluble polymers, comprising oligoalkylene-imine side chains The invention relates to a method for producing water-soluble homopolymers and copolymers, comprising oligoalkylene-imine side chains of the general formula (I), wherein [AI]m, m, Y and x have the definitions given in claim 1, by radical homopo... | 05/13/2003 |
| 6451922 | Method of making synthetic hydrophilic polymers and products resulting therefrom The present invention involves a method of making a multiblock copolymer containing two or more types of sequences of derivatives of acrylic acid with at least one derivative being acrylic acid salt and at least one being acrylamide. The method includes: ... | 09/17/2002 |
| 6437019 | Glass ionomer cement The present invention provides a multiple part ionomeric cement system comprising an organic composition that is substantially free of added water, and an aqueous composition comprising water. The organic composition contains at least a hydrophilic compon... | 08/20/2002 |
| 6410631 | Composition for production of silica glass using sol-gel process A composition for production of silica glass using a sol-gel process is described, comprising silica particles, a dispersing agent, and a solution containing a polymerizable monomer for formation of acrylic resin and a crosslink agent dissolved in distill... | 06/25/2002 |
| 6388004 | Method of controlling polymer molecular weight and structure The present invention concerns the preparation of polymers of low polydispersity and/or controlled molecular weight and architecture employing living free radical polymerization initiated by an alkoxyamine initiator or nitroxide plus, optionally, a free r... | 05/14/2002 |
| 6372675 | Nonwoven fabric non-cellulose fibers having improved wet tensile strength A nonwoven fabric of chemically bonded non-cellulose fibers having improved wet tensile properties. The fabric includes a random arrangement of non-cellulose fibers and an essentially formaldehyde free latex binder. The latex binder contains at least abou... | 04/16/2002 |
| 6232406 | Hydrogel and method of making The present invention is a method of making acrylonitrile copolymers having multi block structure comprising acrylic acid, acryl amids and acrylamidine hydrophilic groups in hydrophilic blocks and residual nitrile groups in hydrophobic blocks, by partial ... | 05/15/2001 |
| 6136885 | Glass ionomer cement The present invention provides a multiple part ionomeric cement system comprising an organic composition that is substantially free of added water, and an aqueous composition comprising water. The organic composition contains at least a hydrophilic compon... | 10/24/2000 |
| 6075090 | Method of preparing a non-aqueous composite wax particle dispersion The present invention is a method of making a stable colloidal non-aqueous wax particle dispersion. The method includes the steps of forming a mixture of a first vinyl monomer of a polymerizable mono-alpha, beta-ethylenically unsaturated compound free of ... | 06/13/2000 |
| 5869569 | Emulsion polymer composition An emulsion polymer composition having fast drying properties that provides floor polish coating materials having superior resistance to black heel marks, resistance to scuffing, resistance to abrasion, adhesion, and resistance to cleaning agents characte... | 02/09/1999 |
| 5756574 | Process for preparing an aqueous polymer dispersion A process for the preparation of an aqueous polymer emulsion, in which an aqueous emulsion of a polymer which contains at least one chemically bonded monomer having at least one ethylenically unsaturated group is produced in a manner known per se so that ... | 05/26/1998 |
| 5698629 | Process for the preparation of a water-in-oil type high-molecular-weight polymer emulsion A process for the preparation of a water-in-oil type polymer emulsion which comprises polymerizing an acrylamide-containing monomer in a water-in-oil type emulsion. The acrylamide is prepared by hydrating acrylonitrile in the presence of a catalytic amoun... | 12/16/1997 |
| 5648446 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these com... | 07/15/1997 |
| 5646240 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these com... | 07/08/1997 |
| 5596039 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these com... | 01/21/1997 |
| 5569726 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these com... | 10/29/1996 |
| 5545688 | Process for manufacturing acrylamide microemulsified homopolymer A process is disclosed whereby an acrylamide homopolymer is prepared in microemulsion form whereby the microemulsion is clear and stable and the polymer solids content is at least 15%, by weight, the process being conducted in the absence of extraneously ... | 08/13/1996 |
| 5541252 | Method of manufacturing water-soluble polymer dispersions having high polymer content The invention relates to a process for the preparation of low viscous, water soluble polymer dispersions on an aqueous basis with a high concentration of the active substance, containing a polymerizate A) synthesized from the monomeric components, hydroph... | 07/30/1996 |
| 5494963 | Low formaldehyde, high gel fraction latex binder A low formaldehyde high gel fraction latex binder is made utilizing a compound having the formula ##STR1## wherein R and R', independently, is an alkyl having from 1 to 10 carbon atoms, and R4 is hydrogen, or wherein R3 and R | 02/27/1996 |
| 5492965 | Compositions containing block copolymers composed of latent thiol mercaptan chain transfer agents This invention relates to a polymer composition of a block copolymer dispersed in water wherein the block copolymer is composed of: a) at least one first block of polymerized units of at least one first ethylenically unsaturated monomer and at least one l... | 02/20/1996 |
| 5403883 | Water soluble polymer dispersions The invention relates to aqueous dispersions of water soluble polymers, formed by polymerization of a mixture A of various monomer components (a1, a2, and possibly a3) in the presence of a polymeric dispersant D; wherewith the mixture A is comprised of th... | 04/04/1995 |
| 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 |
| 5340865 | Cross-linked cationic polyermic microparticles Novel compositions comprising cationic polymeric microparticles are disclosed, along with a method for their production. The products are useful in flocculating a wide variety of dispersions of suspended solids.... | 08/23/1994 |
| 5326853 | Low formaldehyde, high gel fraction latex binder A low formaldehyde, high gel fraction latex binder is made utilizing a compound having the formula ##STR1## wherein R and R', independently, is an alkyl having from 1 to 10 carbon atoms, and R4 is hydrogen, or wherein R3 and R | 07/05/1994 |
| 5324765 | Surfactant containing composition thickened with a copolymer based on an ethylenically unsaturated carboxylic acid and an N-alkyl acrylamide A copolymer produced by the copolymerization of a monomer mixture comprising at least 30 weight percent of at least one organic ethylenically unsaturated carboxylic acid, at least 30 weight percent of at least one N-alkyl acrylamide the alkyl group of whi... | 06/28/1994 |
| 5274055 | Charged organic polymer microbeads in paper-making process In a papermaking process, improved drainage and retention are obtained when ionic, organic microbeads of less than about 1,000 nm in diameter if crosslinked or less about than 60 nm in diameter if noncrosslinked are added either alone or in combination wi... | 12/28/1993 |
| 5171782 | Invert microlatices useful as flotation and drainage additives and for absorption and retention of aqueous fluids An invert microlatex of at least one cationic water-soluble vinyl monomer, if necessary copolymerized with at least one anionic or non-anionic water-soluble vinyl monomer, is prepared by a process consisting in a first stage (a) of preparation of an inver... | 12/15/1992 |
| 5145908 | Method for molding ceramic powders using a water-based gel casting process A method for molding ceramic powders comprises forming a slurry mixture including ceramic powder, a dispersant, and a monomer solution. The monomer solution includes at least one monofunctional monomer and at least one difunctional monomer, a free-radical... | 09/08/1992 |
| 5132358 | Polymer emulsion A polymer emulsion capable of becoming water swellable is provided by mixing a monomer represented by the general formula ##STR1## (wherein R1 indicates H or CH3, R2 and R3 indicate an alkyl radical represe... | 07/21/1992 |
| 5110864 | Cationic monomer delayed addition process Water-in-oil emulsions of cationic water-soluble copolymers which are prepared by incorporating only a portion of the cationic monomer in the aqueous phase prior to forming the water-in-oil emulsion in which polymerization will occur, forming the emulsion... | 05/05/1992 |
| 5081182 | Cationic monomer delayed addition process Water-in-oil emulsions of cationic water-soluble copolymers which are prepared by incorporating only a portion of the cationic monomer in the aqueous phase prior to forming the water-in-oil emulsion in which polymerization will occur, forming the emulsion... | 01/14/1992 |
| 5041503 | Micro-emulsified glyoxalated acrylamide polymers Compositions comprising microparticles of a cross-linkable, glyoxalated (meth)acrylamide containing, polymeric material are disclosed. They are prepared using inverse mircoemulsion polymerization techniques and are useful as wet- and dry-strength agents i... | 08/20/1991 |
| 5037863 | Emulsified functionalized polymers Functionalized polymer microparticles having particle diameters of from about 200 to about 4000Å are prepared and are useful in facilitating a variety of flocculation and thickening of dispersions of suspended solids applications.... | 08/06/1991 |
| 5037881 | Emulsified mannich acrylamide polymers Mannich (alk)acrylamide microparticles are produced at high solids contents without a significant increase in bulk viscosity by inverse microemulsion polymerization and provide superior dewatering characteristics.... | 08/06/1991 |
| 4956400 | Microemulsified functionalized polymers Functionalized polymer microparticles having particle diameters of from about 200 to about 4000 Å are prepared and are useful in facilitating a variety of flocculation and thickening of dispersions of suspended solids applications.... | 09/11/1990 |
| 4956399 | Emulsified mannich acrylamide polymers Mannich (alk)acrylamide microparticles are produced at high solids contents without a significant increase in bulk viscosity by inverse microemulsion polymerization and provide superior dewatering characteristics.... | 09/11/1990 |
