...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7351754 | Water-based ink A water-based ink comprising a colorant and a water-insoluble polymer having at least two hydroxyl groups at its end; a water-based ink comprising a water-insoluble polymer having an ionic group at its end and a pigment; and a process for preparing a water-based ink... | 04/01/2008 |
| 7250464 | Distributed paint manufacturing system A paint manufacturing method includes receiving each of a group of fluid prepaints at different inputs of a fluid component mixing system, determining at a computer system a first fluid prepaint ratio, and mixing the fluid prepaints in accordance with the first rati... | 07/31/2007 |
| 7244508 | Frosting coating materials, articles, and methods Frosting coating materials and methods, frosted articles, and, in certain aspects, a frosting coating that includes thermoset acrylic resin, polymethyl methacrylate, polyacrylate copolymer and methylated melamine-formaldehyde resin, and, optionally, UV absorbent mat... | 07/17/2007 |
| 7232860 | Aqueous binder dispersions as coating compositions An aqueous binder dispersion that includes at least one copolymer (P) containing carboxylic acid and/or carboxylate groups. The copolymer (P) includes structural units of carboxyl-free (meth)acrylic esters with a cycloaliphatic structure, and at least 25 mol % of th... | 06/19/2007 |
| 7223813 | Aqueous vinyl polymer coating compositions An aqueous coating composition comprising a crosslinkable water-dispersible vinyl oligomer(s) wherein said composition when drying to form a coating has an open time of at least 20 minutes, a wet edge time of at least 10 minutes, a tack free time of ≦20 hours and ... | 05/29/2007 |
| 7199185 | Use of reactive polymeric surfactants in the formation of emulsions Reactive polymeric surfactants are disclosed, and their use in processes for preparation of microcapsules, and in stabilising emulsions. The surfactants are random graft polymers or block copolymers which contain both hydrophobic and hydrophilic units and in which t... | 04/03/2007 |
| 7173085 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monome... | 02/06/2007 |
| 7138160 | Water soluble retention agent The use, for the manufacture of paper coating colors, of a copolymer water-soluble in a neutral or alkaline medium as an agent for simultaneously adjusting the water retention of the coating colors and the Brookfield viscosity of the said coating colors; a water-ret... | 11/21/2006 |
| 7049360 | Water-soluble or water-dispersible (co) polymers of hydroxyalkyl (meth) acrylates, a process for their preparation, and their use as coating agent, binder and/or film-forming excipient pharmaceutical dosage forms The present invention relates to water-soluble or water-dispersible copolymers obtainable by free-radical polymerization of a) 80 to 20% by weight of hydroxy-C1–C6-alkyl (meth)acrylate and, where appropriate... | 05/23/2006 |
| 6884840 | Preparation of acrylic hot-melt pressure-sensitive adhesives from aqueous disperse systems A process for preparing hot-melt pressure-sensitive adhesives from aqueous dispersions based on polyacrylate, and pressure-sensitively adhesive articles produced therefrom, which comprises producing highly concentrated aqueous dispersions with polymer contents betwe... | 04/26/2005 |
| 6844385 | Latex for dip forming and molded object obtained by dip forming A latex for dip forming which comprises a copolymer prepared by polymerizing 10 to 90% by weight of a conjugated diene monomer, 0.1 to 20% by weight of an ethylenically unsaturated acid monomer and 10 to 89.9% by weight of other ethylenically unsaturated monomer or ... | 01/18/2005 |
| 6790908 | Block copolymer The invention relates to a block copolymer and more especially to a thermoplastic elastomer block copolymer. The block copolymer is a diblock (block A)-(bloc B) copolymer, a triblock (block A)-(block B)-(block A), or a triblock (block A)-(block B)-(block C) copolyme... | 09/14/2004 |
| 6716912 | Polymeric binders for water-resistant ink jet inks The present invention comprises a polymeric binder for water-resistant ink jet inks, wherein the binder has an acid component in the range from about 1 to about 10 wt. % of the polymer, a glass transition temperature in the range from about −20° C. to about 25° ... | 04/06/2004 |
| 6710128 | Process to produce an aqueous composition A process is provided to produce an aqueous composition. The process comprises shearing a mixture to produce a mini-emulsion and polymerizing said mini-emulsion in the presence of an initiator to produce the aqueous composition; wherein said mixture comprises at lea... | 03/23/2004 |
| 6683129 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsatur... | 01/27/2004 |
| 6683121 | Pigment dispersant composition A pigment dispersant including 80-97% by weight, based on the weight of thepigment dispersant, of a first polymer comprising as copolymerized units 15-75% by weight, based on the first polymer weight, ethylenically unsaturated carboxylic acid-functional m... | 01/27/2004 |
| 6656983 | Vinylaromatic/1,3-diene copolymer stabilized with protective colloids as adhesives for porous substrates The invention provides mixed aromatic vinyl-1,3-diene polymers stabilized by a protective colloid and present in the form of aqueous polymer dispersions or polymer powders redispersible in water as adhesives for porous substrates. The polymer dispersions ... | 12/02/2003 |
| 6593421 | Flooring adhesives based on styrene-butadiene copolymers An aqueous composition containing from 1 to 60% by weight of a polymer A) built up from a) from 10 to 50% by weight of a vinylaromatic having up to 20 carbon atoms, b) from 45 to 75% by weight of a nonaromatic hydrocarbon having two conjugated double bond... | 07/15/2003 |
| 6590031 | Pressure sensitive adhesives The present invention relates to pressure sensitive adhesives based on aqueous latex emulsions processes for their preparation and laminates the prepared there from. The pressure sensitive adhesives exhibit excellent adhesion in hot water environments and... | 07/08/2003 |
| 6579947 | Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block The invention relates to a hydraulic fracturing fluid comprising an aqueous liquid, and a block copolymer containing at least one water-soluble block and one hydrophobic block and being particularly suited for use in high temperature ranges, greater than ... | 06/17/2003 |
| 6566472 | Binder formulations based on aqueous polymer dispersions Binder formulations based on aqueous polymer dispersions having a minimum film-forming temperature of below 10° C. and comprising at least one binder polymer P in the form of an aqueous dispersion comprising at least one anionic emulsifier and at least o... | 05/20/2003 |
| 6437040 | Water-soluble block copolymers comprising a hydrophilic block and a hydrophobic block The invention relates to water-soluble block copolymers comprising at least one block of hydrophobic nature and at least one block of hydrophilic nature, the block of hydrophobic nature exhibiting hydrophilic units in an amount of between 33% and 99% by w... | 08/20/2002 |
| 6248815 | Dry bond film laminate employing acrylic emulsion adhesives with improved crosslinker The present invention relates to a water based laminating adhesive composition and a method of using thereof. More particularly, the invention relates to a water-based laminating adhesive comprising: a first component comprising at least one aqueous vinyl... | 06/19/2001 |
| 6197879 | Methods of preparing inorganic pigment dispersions A polymer useful as an inorganic pigment dispersant is provided. The polymer is derived from monomers consisting essentially of an ethylenically unsaturated aromatic monomer, an ethylenically unsaturated dicarboxylic acid monomer, and an ethylenically uns... | 03/06/2001 |
| 6190767 | Aqueous emulsion for pressure-sensitive adhesive and process for the preparation thereof A pressure-sensitive adhesive prepared by emulsifying dispersing a monomer mixture containing at least 50% by weight, based on the total weight of the monomer mixture, of a long-chain alkyl (meth)acrylate with the alkyl having 9 to 13 carbon atoms in an a... | 02/20/2001 |
| 6147165 | Pressure-sensitive adhesives for marking films Inherently tacky, pressure-sensitive adhesive compositions useful in marking film applications are provided. The compositions comprise polymer particles prepared by emulsion polymerization of at least one monomer mixture. The monomer mixture comprises at ... | 11/14/2000 |
| 6111009 | Deinking processes polymers-in-water emulsion for use in deinking processes Flexographic or other printed paper is deinked by a process which comprises pulping in the presence of an emulsion of crosslinked, insoluble, ionisable and swellable polymer particles. The emulsion preferably provides a viscosity (at 3%) in the ionised st... | 08/29/2000 |
| 5912294 | Aqueous polymer emulsion, processes of making said aqueous polymer emulsion and methods of using said aqueous polymer emulsion Aqueous polymer emulsions are obtained by polymerizing a mixture of hydrophobic and hydrophilic ethylenically unsaturated monomers by the free radical aqueous emulsion polymerization method and using, as the dispersing medium, a mixture of water and an or... | 06/15/1999 |
| 5912293 | Aqueous polymer dispersions for coating wood The invention provides an aqueous polymer dispersion in which the copolymer is formed from 70 to 90% by weight alkyl methacrylate provided by 0 to 30% by weight C1-3 alkyl methacrylate and 50 to 90% by weight C4-12 alkyl methacrylate... | 06/15/1999 |
| 5902852 | Asphalt cement modification It has been determined that rubbery terpolymers of a conjugated diolefin monomer, a vinyl aromatic monomer, and N-(isobutoxymethyl) acrylamide (IBMA) can be used to modify asphalt cement to greatly enhance the resistance to shoving, rutting, and low tempe... | 05/11/1999 |
| 5886076 | Methods for making styrene copolymers and uses thereof A polymer comprising styrene or substituted-styrene and carboxylated monomer is prepared by a solution polymerization process, comprising first a polymerization step, followed by a neutralization step, and then a distillation step. The polymers have relat... | 03/23/1999 |
| 5859123 | Water-based fluorine-containing emulsion The present invention relates to a water-based fluorine-containing emulsion. This emulsion contains a fluorine-containing copolymer in a disperse phase thereof This copolymer is prepared by copolymerizing: (A) a fluoroolefin, (B) an organosilicon compound... | 01/12/1999 |
| 5789527 | Polyester resin for use in toner binder and process for producing the same Provided are a polyester resin for use in a toner binder which is excellent in terms of offset resistance and low-temperature fixability, which keeps triboelectric charge stability even in an environment of a high temperature and a high humidity, which ha... | 08/04/1998 |
| 5789511 | Methods for making styrene copolymers and uses thereof A polymer comprising styrene or substituted-styrene and carboxylated monomer is prepared by a solution polymerization process, comprising first a polymerization step, followed by a neutralization step, and then a distillation step. The polymers have relat... | 08/04/1998 |
| 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 |
| 5650473 | Methods for making styrene copolymers and uses thereof A polymer comprising styrene or substituted-styrene and carboxylated monomer is prepared by a solution polymerization process, comprising first a polymerization step, followed by a neutralization step, and then a distillation step. The polymers have relat... | 07/22/1997 |
| 5532300 | Water-borne, water redispersible, laminating adhesives for nonwoven applications A specific class of water-borne, water redispersible laminating adhesives is disclosed which is desirable for bonding nonwoven substrates to themselves or to other substrates. The adhesives provide improved bond strength and improved water redispersibilit... | 07/02/1996 |
| 5476897 | Process for the production of high solids latex This invention discloses a process for preparing a latex having a high solids content which comprises the steps of (1) terpolymerizing a vinyl aromatic monomer, an alkyl propenoic acid ester, and an alkyl propenoic acid monomer in an aqueous polymerizatio... | 12/19/1995 |
| 5358998 | Aqueous polymer dispersions Aqueous polymer dispersions containing polymers obtainable by free-radical polymerization of unsaturated monomers, and sugared starch, and the use thereof.... | 10/25/1994 |
| 5296531 | Pigment preparations Pigment preparations useful for pigmenting or delustering finishes for leather and leather substitutes consist essentially of pigments or delusterants or a mixture thereof, binders, water and if desired further customary dispersants and auxiliaries, the b... | 03/22/1994 |