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| Number | Title | Issue Date |
| RE39746 | Phosphoric esters and their use as dispersants The invention relates to phosphoric esters of the general formula I where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R″ is H or a linear or branched alkyl radical; and R′ is an alkyl, al... | 07/31/2007 |
| 6995221 | Method for producing organic peroxides and their use in the radical polymerization of monomers A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous emulsion of the organic peroxide. The organic peroxide is dispersed as sm... | 02/07/2006 |
| 6974852 | Emulsifier system for aqueous emulsion polymerization An emulsifier system comprising a) a salt of a sulfuric monoester of a C9-C15 alcohol or of an alkoxylated C9-C15 alcohol, and b) an alkoxylated C8-C16 | 12/13/2005 |
| 6770719 | Method for producing peroxydicarbonates and their use in the radical polymerization of monomers A process for producing peroxydicarbonates comprising first reacting at least one inorganic peroxide with at least one alkali metal hydroxide to form at least one alkali metal peroxide. The at least one alkali metal peroxide is added to a mixture of at least one hal... | 08/03/2004 |
| 6673885 | Process for the production of (meth)acrylic polymers Disclosed in the present invention is a process for preparing a (meth)acrylic acid-based polymer having a stable quality and suitable as a dispersant for cement. That is, the present invention provides a process for preparing a (meth)acrylic acid-based po... | 01/06/2004 |
| 6660252 | Low emulsifier multiple emulsions The invention relates to multiple emulsions comprising a primary emulsion in an external phase, and comprising a principle water phase and a principle oil phase, the multiple emulsion containing no more than about 1% of an emulsifier having an HLB of abou... | 12/09/2003 |
| 6623658 | Additive for controlling secondary contaminates An additive for controlling the detrimental effects of secondary recycled contaminants in the papermaking process. In the preferred embodiment, the additive includes a first low molecular weight, cationic water-soluble polymer and a second low molecular w... | 09/23/2003 |
| 6620880 | Environmentally friendly aqueous architectural coating compositions An environmentally friendly stable aqueous optionally structured water-resistant architectural coating composition (especially a paint) containing a film-forming binder polymer composed of a starch modified by the presence of carboxylic acid or inorganic ... | 09/16/2003 |
| 6620870 | Contact bonding adhesives Pressure-sensitive adhesives comprising an aqueous polymer dispersions wherein the polymer is composed of from 50 to 99.9% by weight of at least one C1 -C12 alkyl (meth)acrylate (monomers a) from 0.05 to 20% by weight of at least ... | 09/16/2003 |
| 6602950 | Hydrophilic hydrogels with a high swelling capacity and method for producing and using them A hydrophilic, highly swellable hydrogel based on (co)polymerized monomers or based on graft (co)polymers and prepared by a) free-radically (co)polymerizing one-or more hydrophilic monomers or graft (co)polymerizing one or more hydrophilic monomers onto a graf... | 08/05/2003 |
| 6569976 | Amphiphilic polymer composition Polymer compositions derived from selected monoethylenically unsaturated (C3 -C6)carboxylic acid monomers, (C1 -C4)alkyl (meth)acrylate ester monomers and alkoxylated (meth)acrylate monomers used in certain weig... | 05/27/2003 |
| 6565768 | Method for producing water-swellable hydorphilic polymers, said polymers and use thereof Water-swellable hydrophilic polymers are prepared by neutralization of the acidic hydrogel having a degree of neutralization of 0-40 mol % to an ultimate degree of neutralization of 60-85 mol % by mixing with a neutralizing agent in a mincer comprising a ... | 05/20/2003 |
| 6476168 | Emulsions having activating agents of alkoxylates of 6, 6-dimethylbicyclo [3.1.1] hept-2-ene-2-ethanol Disclosed is an emulsion useful in an inversion process. The emulsion is a water-in-oil emulsion and has an aqueous phase having a water-soluble polymer, an oil phase and an activating agent of the following formula: ##STR1## wherein n=0 to 10 and m=2 to ... | 11/05/2002 |
| 6469204 | Acrylates comprising several quaternary amino groups in the alcohol part, their process of manufacture and the (co) polymers obtained from these monomers These compounds are represented by the formulae (Ia) and (Ib). To prepare them, in a first stage, p-xylylene dichloride is reacted with a compound (II) to produce a compound (III) and, in a second stage, the compound (III) thus obtained is reacted with a ... | 10/22/2002 |
| 6423130 | Phosphoric esters and their use as dispersants The invention relates to phosphoric esters of the general formula I ##STR1## where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R" is H or a linear or branched alkyl radical; and R' is an alkyl, alkaryl, alkenyl, or su... | 07/23/2002 |
| 6399718 | Polyurethane resin, method for the production and use thereof in an aqueous dual component clear varnish The present invention provides a polyurethane resin obtainable by (A) in a first reaction stage (A) reacting (a) one or more di- and/or polyisocyanates, (b) one or more compounds (b) which have at least one group which ensures dispersibility in water and more than ... | 06/04/2002 |
| 6388038 | Method for producing polycarboxylic acid for cement dispersant and cement composition The present invention provides a method for producing a cement dispersant having high percentage in water reduction rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in t... | 05/14/2002 |
| 6384132 | Environmentally friendly aqueous architectural coating compositions An environmentally friendly stable aqueous optionally structured water-resistant architectural coating composition (especially a paint) containing a film-forming binder polymer composed of a starch modified by the presence of carboxylic acid or inorganic ... | 05/07/2002 |
| 6369118 | Biocompatible emulsifier A biocompatible emulsifier for forming stable emulsions is disclosed. The emulsifier is particularly useful for emulsions of biological fluids, such as artificial blood, and for emulsions as drug delivery vehicles.... | 04/09/2002 |
| 6369117 | Thickened aqueous composition and use Compositions comprising, in an aqueous phase, at least one amphiphilic polymer comprising at least one fatty chain and hydrophilic units, and at least one polyoxyalkylene, and optionally comprising a thickening system for use in particular in cosmetics.... | 04/09/2002 |
| 6362259 | Stabilization of aqueous emulsion polymers Aqueous emulsion polymer compositions stabilized with the reaction product of alkoxylated alcohols and an epihalohydrin or a trihaloalkanes.... | 03/26/2002 |
| 6323259 | Acrylic resin composition, acrylic premix, process for producing acrylic artificial marble and thickening agent The present invention is directed to an acrylic resin composition obtained by adding a non-crosslinked polymer powder having a bulk density within the range from 0.1 to 0.7 g/ml, an oil absorption based on linseed oil within the range from 60 to 200 ml/10... | 11/27/2001 |
| 6310143 | Derivatized polycarboxylate dispersants The present invention is directed to derivatized polycarboxylate dispersants for cementitious mixtures, including those mixtures with high percentages of pozzolan cement replacement and dry cast applications. In particular, the invention is directed to a ... | 10/30/2001 |
| 6297337 | Bioadhesive polymer compositions Improved crosslinked ionic polymers or salts thereof having a soluble polymer fraction of less than about 15 wt %, and methods for making the same. The polymers are useful as bioadhesives, thickeners, emulsifiers, suspending aids, and pharmaceutical contr... | 10/02/2001 |
| 6265495 | Method for production of esterified product A method for the production of an esterified product is provided which affords an esterified product with high quality by repressing, during the esterification reaction of an alcohol with (meth)acrylic acid, the occurrence of impurities, particularly gel,... | 07/24/2001 |
| 6174980 | Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition The present invention provides a method for producing a cement dispersant having high percentage in water reduction-rate and appropriate air-entraining property. This method for producing a polycarboxylic acid for a cement dispersant is characterized in t... | 01/16/2001 |
| 6174963 | Method for producing amphoteric resin having dispersing function Provided is a method for producing an amphoteric resin which comprises reacting (1) a copolymerizable basic prepolymer A2 which is obtained by reacting a prepolymer A1 being obtained by polymerization of an amino group-containing &#x... | 01/16/2001 |
| 6174950 | Concentrated aqueous dispersions of water-soluble polymers Concentrated and low viscosity aqueous dispersions, e.g., opaque emulsions, well suited as flocculants for water treatment, comprise the water-soluble polymerizate of at least one water-soluble hydrophilic monomer A, optionally, at least one amphiphilic c... | 01/16/2001 |
| 6156833 | Emulsification of non-aqueous chemical additives using soy methyl ester as the carrier An improved emulsification base and a method for manufacturing same for non-aqueous chemical additives comprises a mixture of water from 68 to 92 percent, of 2-amino-2 methyl-1 propanol from 0.1 to 0.2 percent, of an emulsifying surfactant blend from about 2.2... | 12/05/2000 |
| 6140435 | Cross-linked acrylic copolymers in aqueous emulsion with improved thickening and suspending properties Cross-linked copolymers possessing high thickening and suspending properties obtainable by polymerization of monomeric systems comprising a) 10-97% of at least one unsaturated carboxylic acid, b) 0-80% of at least one alkyl ester of an unsaturated acid, c... | 10/31/2000 |
| 6103786 | Process for preparing stable, finely divided polymer dispersions Stable polymer dispersions with polymer particle sizes of 0.1 to 10 μm are prepared by dissolving a water-in-oil emulsion, comprising a polymer dissolved in an organic solvent which is immiscible with water (organic phase) and an aqueous phase, wherein t... | 08/15/2000 |
| 6051160 | Pitch control composition based on blend of derivatized cationic guar and styrene maleic anhydride copolymer This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) styrene maleic anhydride copolymer. The invention also relates to a proc... | 04/18/2000 |
| 6051159 | Soft ice This invention relates to a preferred composition for use in preparation of flexible cold packs which are useful for medicinal, research and other uses where cooling to low temperatures is required.... | 04/18/2000 |
| 6002049 | Polymeric thickeners for aqueous compositions Latexes are thickened by compounds of the formula ##STR1## wherein R1 is an aliphatic, substituted aliphatic, aromatic, or substituted aromatic radical having a valence of from 2 to 8; each of B1 -B8 is independently ... | 12/14/1999 |
| 5965213 | Aqueous dispersions of a transparent powder coating Disclosed is an aqueous dispersion of a transparent powder coating consisting of a solid powder component and an aqueous component. The solid powder component includes at least one epoxy group-containing binder, at least one crosslinking agent, and option... | 10/12/1999 |
| 5910529 | Gel composition having thickening agent providing Bingham plastic properties A water based gel guide coat composition and a method of using is provided. The composition comprises: aqueous dispersion(s) comprising a binder(s), aqueous emulsion(s) comprising a binder(s), and/or combinations thereof, having a minimum film forming tem... | 06/08/1999 |
| 5874495 | Polymers useful as PH responsive thickeners and monomers therefor Novel aqueous thickener or thixotropic polymers are prepared by the copolymerization of (A) about 15-60 weight percent of a C3 -C8 alpha, beta-ethylenically unsaturated carboxylic acid monomer, preferably acrylic or methacrylic acid ... | 02/23/1999 |
| 5849219 | Aqueous dispersion of particles The invention relates to a stable aqueous dispersion of particles which can be flocculated by increasing the temperature to a value above the transition temperature. The invention is characterized in that the dispersion comprises a polymer selected from t... | 12/15/1998 |
| 5837272 | Process for forming stable gelled aqueous composition A process for compatibly hydrating a fragmented solid which forms a gel with an aqueous composition, said process comprising: a. generating a first aqueous composition and a second oily composition containing the said fragmented solid; b. combining the first a... | 11/17/1998 |
| 5833807 | Aramid dispersions and aramid sheets of increased uniformity A process is disclosed for making aqueous aramid dispersion and aramid sheets of improved uniformity by utilizing water with a pH of greater than 10.... | 11/10/1998 |
