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Class 524/43 - Hydroxyalkyl


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the cellulose has the general formula
No. of patents: 218
Last issue date: 09/16/2008


1            
NumberTitleIssue Date
7425589Method for modifying cellulose ethers
The invention relates to a method for modifying cellulose ethers. The inventive method is characterised in that a cellulose ether having a humidity content of between 5 and 90% is intensively mixed with between 0.1 and 5 wt. %—in relation to the dry cellulose ethe...
09/16/2008
7371279Cellulose ether composition
A composition comprising cellulose ether, a superplasticizer and defoamer suitable for use as an additive in extruding inorganic compositions is disclosed. The inventive composition functions as a water retention agent, plasticizer and lubricant in the extrusion of ...
05/13/2008
7337587Construction assembly of plaster boards and a method of assembling a plurality of plaster boards
A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein sai...
03/04/2008
7303068Polymer grout compositions
The present invention relates to a one-part polymer grout composition tintable to any desired color upon request, as well as to a method of tinting the grout composition. Advantageously, the present one-part polymer grout compositions may be tinted using any of the ...
12/04/2007
7276546Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same
The invention relates to methods of making carbohydrate and polyol esters suitable for use as plasticizers for polymer compositions. The invention also relates to plasticized polymer compositions comprising such carbohydrate and polyol esters. The invention also rel...
10/02/2007
7261843Photochromic optical article
Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a glass or organic polymeric substrate, as for example, a thermoset or ther...
08/28/2007
7208225Prefabricated plaster board
The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards...
04/24/2007
7199084Concentrated suspensions
Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include thixotropic agents and, optionally, organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such ...
04/03/2007
7189456Photochromic optical article
Describes a photochromic plastic article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., polymeric substrate, such as a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating a...
03/13/2007
7163575Water-based, resin-free and solvent-free eradicable ball-pen inks
Improved combination eradicable ball-pen and re-write inks are disclosed. The combination eradicable and re-write ball-pen inks disclosed include water, glycerol, one or more acids and an eradicable dye. Glycerol is present in an amount greater than the water conten...
01/16/2007
7147889Organic photochromic compositions of improved kinetic performance
Described are imbibition compositions that incorporate kinetic enhancing additive(s) into photochromic polymeric host material. Kinetic enhancing additives include organic polyol(s), epoxy-containing compound(s) or a mixture thereof that improves the performance of ...
12/12/2006
7141284Drywall tape and joint
Drywall tapes, drywall joints and methods for their construction are provided by this invention. The drywall tape of this invention includes a web of glass fibers and a coating disposed over a portion of the glass fibers. The coating includes a resinous binder which...
11/28/2006
7097303Polarizing devices and methods of making the same
Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s...
08/29/2006
7097304Polarizing devices and methods of making the same
Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s...
08/29/2006
7083665Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex
A highlightable ink including a colored pigment and an eradicable colorant; a kit including the highlightable ink and an eradicator solution; an ink complex including a colorless or substantially colorless eradicable dye selected from the group consisting of diarylm...
08/01/2006
7081275Silicon resin-based binding agents and their use in methods for producing mineral fiber based shaped bodies
Aqueous organopolysiloxane compositions containing a dispersed solid organopolysiloxane resin bearing both alkoxy and hydroxy radicals, a condensation catalyst, and a wetting agent are suitable for use as binders for the preparation of structures based on mineral fi...
07/25/2006
7078448Polymer dispersion with a cross-linking resin, a method for producing the same and the use thereof
The invention relates to a polymer dispersion which contains water, at least one polymer that has been produced by emulsion polymerisation, at least one protective colloid, at least one water-soluble acidic metallic salt and at least one cross-linking resin that is ...
07/18/2006
7066996Joint compounds using thickeners prepared from raw cotton linters
A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a ready mixed joint compound composition wherein the amount of the cellulose ether in the joint compound composition is significantly reduced. When this join...
06/27/2006
7044600Polarizing devices and methods of making the same
Certain, non-limiting embodiments of the disclosure provide ophthalmic elements and devices comprising an at least partial coating adapted to polarize at least transmitted radiation on at least a portion of at least one exterior surface of an ophthalmic element or s...
05/16/2006
7045008Low dust wall repair compound
A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl...
05/16/2006
7037956Water-soluble resin, process for its production and water-soluble resin composition
A water-soluble resin composition comprising a water-soluble resin and a colorant, which copolymer has a weight average molecular weight of at least 8,000 and is prepared by polymerizing an ethylenically unsaturated carboxylic acid monomer and a monomer copolymeriza...
05/02/2006
7019069Silicone resin composition for water repellent coating
Resinous composition comprising: (A) 100 weight parts of (R2SiO2/2)w(RSiO3/2)x(SiO4/2)y(O1/2R1)z wherein R is selected from the group co...
03/28/2006
7005515Process for preparing alkyl hydroxyalkyl cellulose ethers
The process for preparing an alkyl hydroxyalkyl cellulose ether comprises the steps of: a) alkalizing cellulose to obtain alkali cellulose, b) reacting alkali cellulose with an alkyl halogenide until an alkyl cellulose ether with a D.S.(alkyl) value of from 0.7 to 2...
02/28/2006
6992123Polishing pad
A polishing pad of the present invention contains a water-insoluble matrix material comprising a crosslinked polymer such as a crosslinked 1,2-polybutadiene and water-soluble particles dispersed in the material, such as saccharides. The solubility of the water-solub...
01/31/2006
6977275Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same
The invention relates to methods of making carbohydrate and polyol esters suitable for use as plasticizers for polymer compositions. The invention also relates to plasticized polymer compositions comprising such carbohydrate and polyol esters. The invention also rel...
12/20/2005
6951895Absorbent composition
Disclosed is an absorbent composition comprising each of an acidic and a basic material, wherein the absorbent composition exhibits desirable absorbent properties. Specifically, the present invention relates to an absorbent composition comprising either an acidic wa...
10/04/2005
6936099Lightweight joint compound containing stable air pockets
Low density joint compounds, and methods for their use are disclosed. Joint compounds comprising water, calcium carbonate, a foaming agent, and a rheology modification agent contain a plurality of stable air bubbles. Joint compounds can have densities of about 4 pou...
08/30/2005
6921742Well drilling fluids
Clay is stabilized in the drilling of wells and other formation treatment for hydrocarbon production by the addition to the drilling or other fluid fluid of potassium formate together with a cationic formation control additive. ...
07/26/2005
6905539Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex
A shear-thinning eradicable ink including water, a dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and a solvent, wherein the ink has a shear-thinning index in the range of about 0.35 to about 1.0; a kit...
06/14/2005
6896725Aldehyde-containing polymers as wet strength additives
The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl group per molecule, the ratio of aldehyde groups to carboxyl groups b...
05/24/2005
6828356Preparation of ophthalmic compositions
A method of preparing a polymeric demulcent-containing ophthalmic composition. The method includes immersing a polymeric demulcent in water or in an aqueous solution containing one or more ingredients, agitating the water or solution at 25 to 45° C. until the polym...
12/07/2004
6806364Ophthalmic compositions
An aqueous ophthalmic solution containing 0.2 to 2.5 percent by weight a polymeric demulcent, 0.045 to 0.065 percent by weight a calcium salt, and 0.14 to 1.4 percent by weight a phosphate salt. The solution has a viscosity of 20 to 150 centipoise and is buffered to...
10/19/2004
6800593Hydrophilic polymer concentrates
Disclosed is a hydrophilic, water soluble polymer concentrate for addition to aqueous liquids to enhance the properties thereof, particularly to increase the viscosity or decrease the fluid loss of well drilling and servicing fluids, the concentrate comprising a hyd...
10/05/2004
6790883Composition for polishing pad and polishing pad using the same
An object of the invention is to provide a polishing pad having the excellent slurry retaining properties and the large removal rate and a composition for a polishing pad which can form such the polishing pad. A composition for polishing pad of the invention is comp...
09/14/2004
6777454Vesiculated polyester granules
This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant. ...
08/17/2004
6759473Coating material and molded article
By coating a dip-formed article with a coating agent comprising a polymer latex dispersion-stabilized with a water-soluble high-molecular-weight compound containing an alcoholic hydroxyl group, a coated article having excellent donning and putting off properties and...
07/06/2004
6673854Vinyl acetate/ethylene emulsion stabilized with a phosphate surfactant
The present invention is directed to a vinyl acetate-ethylene polymer dispersion containing a vinyl acetate-ethylene polymer, a phosphate-functional surfactant, and a protective colloid. The invention is also directed to an aqueous coating composition hav...
01/06/2004
6667354Stable liquid suspension compositions and suspending mediums for same
Stable and environmentally friendly suspensions of solid particulates are provided through the addition of such solid particulates to a suspension medium which is comprised of a liquid carrier, a liquid carrier soluble resin, an organophyllic clay, and an...
12/23/2003
6656983Vinylaromatic/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
6515049Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, process for preparing them, and their use as protective colloids in polymerizations
The present invention relates to water-soluble ionic cellulose ethers from the group of the hydroxyalkylcelluloses which are substituted by on average from 0.001 to 1.0 alkyl group per anhydroglucose unit and which carry from 0.01 to 0.1 sulfoalkyl group ...
02/04/2003
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