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Class 524/28 - Algin or derivative


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the carbohydrate DNRM is algin or
No. of patents: 114
Last issue date: 03/22/2011


1      
NumberTitleIssue Date
7910641PH modulated films for delivery of actives
The invention relates to pH modulated films and methods of their preparation. The film compositions include at least one component having a non-neutral pH when combined with water; and a pH modulated polymer system selected to reduce or prevent synerisis when combin...
03/22/2011
7728055Process for producing coagulated latex particles
An object of the present invention is to provide a new granulating process which can recover desired coagulated latex particles with a significantly excellent yield, and can suppress secondary coagulation under the condition having a higher temperature than a soften...
06/01/2010
7256227Polymer modified gypsum membrane and uses therefor
A composition which is applied to substrate surfaces to form a membrane to provide structural reinforcement thereto and prevent the release of gases and moisture from the substrate. The composition consists of polymer resin binders and gypsum. Further provided is a ...
08/14/2007
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
7105587Method and composition for polymer-reinforced composite cementitious construction material
A method and composition for polymer-reinforced composite cementitious construction materials is described. In one embodiment, a crosslinking component is mixed with a high molecular weight strengthening component and an inorganic cementitious material. The addition...
09/12/2006
7015268Method for making microabrasive tools
A microabrasive tool is formed from a slurry including liquid, abrasive grains, a bonding material, and a polymer—for example, gellan gum. The slurry is cast in a mold, and the polymer is ionically cross-linked. Cross-linking the polymer fixes the structure of the...
03/21/2006
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
6946504Formulations containing polyvinyl alcohol and sulphonated melamine polycondensate for use in gypsum slurries
Aqueous formulation for enhancing flowability and setting properties of gypsum, slurries, comprising wax, polyvinyl-alcohol and a sulphonated melamine polycondensate are used for imparting water repellency to gypsum wall boards. ...
09/20/2005
6902797Gypsum-based composite materials reinforced by cellulose ethers
A gypsum-based composite structure is prepared from a slurry comprising a mixture of calcium sulfate hemihydrate, a cellulose ether additive other than CMC and an amount of water that is sufficient to form a slurry. The calcium sulfate hemihydrate is hydrated by the...
06/07/2005
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
6767938Modeling dough and a surface active drying agent coating composition for same
This invention relates to modeling doughs comprising algin, a sugar based polysaccharide resin, water and a synthetic resin latex. Additionally disclosed are surface active coating compositions for molded compositions of the algin/sugar-based polysaccharide based mo...
07/27/2004
6509390Two-paste dental alginate impression material
The dental alginate impression material comprising a main paste containing an alginate, water and a filler as major components and a setting paste containing calcium sulfate and a liquid component as major components, the both pastes being to be mixed and...
01/21/2003
6437038Pressure sensitive adhesive composition
A pressure sensitive adhesive composition suitable for medical purposes comprising a rubbery elastomeric base and one or more water soluble or water swellable hydrocolloids, the adhesive composition comprising a substantially homogeneous mixture of 15-60%...
08/20/2002
6391939Collagenic material useful in particular for preventing post-operative adhesions
The present invention relates to a biocompatible collagenous material which is non-toxic and biodegradable in less than one month, preferably in less than one week. This material comprises collagen and at least one hydrophilic macromolecular additive whic...
05/21/2002
6387978Medical devices comprising ionically and non-ionically crosslinked polymer hydrogels having improved mechanical properties
Shaped-medical devices, e.g. stents, having improved mechanical properties and structural integrity are disclosed. The devices comprise shaped polymeric hydrogels which are both ionically and non-ionically crosslinked and which exhibit improved structural...
05/14/2002
6368356Medical devices comprising hydrogel polymers having improved mechanical properties
The invention provides a means of boosting the mechanical performance of shaped shaped medical devices comprising polymer hydrogels, such as stents, so that they may be more easily inserted into or removed from the body. In one aspect, the invention provi...
04/09/2002
6358580Sealing material which swells when treated with water
The invention relates to an optionally foamed sealing composition for preformed seals which can swell when treated with water. The invention also relates to a method for the production thereof out of natural rubber and/or elastomers with a matrix comprise...
03/19/2002
6275816Aqueous ink composition for ball-point pen
A aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about 0...
08/14/2001
6251964Biocompatible compositions
A polymer is formed from monomers including a zwitterionic monomer, a cationic monomer and a hydrophobic termonomer. The polymer may be cross-linkable. The polymer may be coated onto a surface from a liquid coating composition followed by contacting the c...
06/26/2001
6251176Alginate flavoring in a powdered form
An otherwise conventional powdered alginate impression material is improved by the admixture of flavoring in powdered form, rather than liquid form. By utilizing a powdered flavoring, rather than a liquid flavoring, the components of the dental impression...
06/26/2001
6184266Medical devices comprising cross-linked hydrogels having improved mechanical properties
Shaped medical devices, e.g. stents, having improved mechanical properties and structural integrity are disclosed. The devices comprise shaped polymeric hydrogels which are both ionically and non-ionically crosslinked and which exhibit improved structural...
02/06/2001
6171360Binder for injection molding of metal powder or ceramic powder and molding composition and molding method wherein the same is used
The present invention relates to a molding method characterized by kneading a binder comprising an agar having an average molecular weight of 30,000 to 150,000 with a metal powder, a ceramic powder, or a mixed powder thereof, injection-molding the thus ob...
01/09/2001
6114417Paper sizing agents and methods
Sizing agents comprised of dispersed synthetic polymers in an aqueous solution are provided, as well as methods for making these sizing agents and methods for using these sizing agents to size paper. Improved sizing is obtained by including recurring unit...
09/05/2000
6060534Medical devices comprising ionically and non-ionically crosslinked polymer hydrogels having improved mechanical properties
Shaped medical devices, e.g. stents, having improved mechanical properties and structural integrity are disclosed. The devices comprise shaped polymeric hydrogels which are both ionically and non-ionically crosslinked and which exhibit improved structural...
05/09/2000
6001913Latex compositions containing ethylenically unsaturated esters of long-chain alkenols
Novel latex or emulsion compositions containing internally plasticizing and crosslinkable long-chain alkenol ester monomers are disclosed and claimed. Preferred embodiments include latex formed from acrylate or methacrylate esters of long-chain alkenols. ...
12/14/1999
5997894Animal resistant coating composition and method of forming same
A flexible coating composition of hard ceramic particles, a binder and a polymer, and a method of making the same is disclosed. The coating composition can withstand an animal attack with pressuresࣙ22,000 psi....
12/07/1999
5990227Ink set
Disclosed herein is an ink-jet recording process which comprises applying a first liquid at least containing a water-soluble resin having at least one carboxyl group or anhydride thereof, or sulfonic group per molecule to a recording medium and then apply...
11/23/1999
5989329Biostable water-borne paints
Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit...
11/23/1999
5990205Polyvinyl-based kneading and molding play composition
The invention is directed to a cross-linked gel-like polyvinyl-based composition of matter having unique elasticity. The composition is capable of being used as a kneading compound, as well as being moldable, stretchable, and bouncing, for use in play act...
11/23/1999
5969012Non-aqueous slurries of water soluble polymers
A non-aqueous slurry comprising (a) one or more water soluble polymers; (b) polyalkylene glycol or thickened polyalkylene glycol; and a (c) a slurry stabilizer comprising an amine phosphate ester salt is provided. The slurry has a number of applications, including ...
10/19/1999
5948387Contrast media for ultrasonic imaging
Novel contrast media for use in ultrasonic imaging are described. Such contrast media may be comprised of an aqueous solution of one or more biocompatible polymers, wherein said biocompatible polymers are coated with and/or in admixture with at least one ...
09/07/1999
5902392Paint for nonhazardous removal of heavy metals and method for using the same
This invention involves a novel paint formulation comprising a phosphate or metal sulfide heavy metal reactive compound, a binder, a solubilizing compound and a buffer which acts as a carrier for heavy metal reactive chemicals so that when this novel pain...
05/11/1999
5883155Elastomer films containing at least one active chemical substance, process for their preparation and their applications
Elastomer films in which active chemical substances, such as corrosion inhibitors, lubricants or biocides for medical use are uniformly dispersed in the form of gel inclusions, processes for preparation and applications of these films. The elastomer film ...
03/16/1999
5879440Biostable water-borne paints and processes for their preparation
Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated wit...
03/09/1999
5847023Thermal irreversible gel corneal contact lens formed in situ
Balanced pH, thermo-irreversible gels comprising a polyoxyalkylene compound and an ionic polysaccharide are ideal materials for the formation of a protective contact lens over the cornea of the eye of a mammal....
12/08/1998
5834538Pressure sensitive adhesives
A pressure sensitive adhesive(PSA) composition includes a latex system of an aqueous polymer dispersion derived from ethylenically-unsaturated monomers in the presence of a water soluble protective colloid. The PSA compositions are used in the manufacture...
11/10/1998
5830932External incontinence device and vapor-absorptive adhesive compositions
An external incontinence device which reduces or eliminates maceration, skin irritation, microbial skin infiltration and infection, and urinary tract infection associated with conventional urinary catheters and incontinence devices is provided. Devices of...
11/03/1998
5814684Anti-fogging agent for thermoplastic resin surface and anti-fogging thermoplastic resin sheet
The present invention provides an anti-fogging agent for the surface of a thermoplastic resin sheet which exerts the following excellent effects: (1) The effect of inhibiting fogging on the surface of the sheet due to the condensation of vapor can last over an...
09/29/1998
5801214Denture retaining composition
A composition for retaining dentures in the mouth of a denture wearer including 5-8% w/w of an hydrophilic gelling agent, 2-7% w/w of a thickening agent, 5-20% w/w of ail agent that imparts water resistance to the composition, 0.2-5% w/w of humectant(s) a...
09/01/1998
5801220Rapidly disintegrating thickening composition
A rapid disintegrating and dispersing composition for thickening liquid waste into a thixotropic gel comprises a polymeric acrylic resin and a colloid-forming mixture of microcrystalline cellulose and sodium carboxymethylcellulose. Additional ingredients ...
09/01/1998
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