Class 536/47 - Cross-linked

Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which result from reacting starch with a reagent
No. of patents: 29
Last issue date: 04/29/2008

Number	Title	Issue Date
7365190	Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethyle...	04/29/2008
7160420	Use of dispersions of crosslinked cationic starch in papermaking Starch dispersions comprising discrete particles of crosslinked cationic starch in an aqueous liquid can be used in papermaking. They can be used as a wet-end additive or in surface coating. The starch dispersions can be prepared by a process comprising: (a) obtaini...	01/09/2007
7022836	Methods for producing and transforming cassava protoplasts The invention relates to a method for producing protoplasts of cassava or closely related species, which protoplasts are capable of regeneration into plants. The method comprises producing friable embryogenic callus from explants of cassava or closely related specie...	04/04/2006
6987181	Oxidized polymeric carbohydrates and products made thereof The present invention relates to a polysaccharide having functional groups, wherein said groups are aldehyde groups formed at positions C2 and/or C3 as well as at position C6 of the anhydroglucose units of the polysaccharide chain. Preferably th...	01/17/2006
6835718	Biocleavable micelle compositions for use as drug carriers This invention discloses compositions and methods for preparing biocleavable or biodegradable micelle compositions for carrying and releasing drugs and other active agents for therapeutic or other medical uses. Methods are also disclosed for preparing biocleavable c...	12/28/2004
6635755	Oxidized polymeric carbohydrates and products made thereof The present invention relates to a polysaccharide having functional groups, wherein said groups are aldehyde groups formed at positions C2 and/or C3 as well as at position C6 of the anhydroglucose units of the polysaccharide chain. Preferably the polysacc...	10/21/2003
6596860	Adhesive composition The invention relates to an adhesive composition comprising a derivative of a starch, which comprises at least 95 wt. % of amylopectin, based on dry substance of the starch, wherein the derivative is obtainable by cross-linking, etherification, esterifica...	07/22/2003
6555645	Degradable polyurethane resin The invention is a degradable polyurethane resin obtained by reacting 2,5-/2,6-diisocyanatomethylbicyclo[2.2.1]heptane and/or a modified compound thereof with polyol comprising a single compound, mixture or copolycondensate selected from the group consist...	04/29/2003
6531592	Process for modifying starchy materials in the dry phase The subject of the invention is a process for modifying amylaceous (starchy) materials comprising a stage of chemical fluidification and a stage of stabilization, simultaneous or not simultaneous, these two stages being performed in the dry phase and by t...	03/11/2003
6528629	Malto-oligosaccharide derived glycosides Disclosed is a method for preparing a malto-oligosaccharide derived glycoside. Generally, the method comprises providing a malto-oligosaccharide and glycosylating the malto-oligosaccharide with an alcohol or a thiol under conditions suitable to form a ...	03/04/2003
6197951	Starch graft copolymer blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer...	03/06/2001
6127348	Methods and compositions based on inhibition of cell invasion and fibrosis by anionic polymers The present invention relates to the discovery that biocompatible anionic polymers can effectively inhibit fibrosis, scar formation, and surgical adhesions. The invention is predicated on the discovery that anionic polymers effectively inhibit invasion of...	10/03/2000
5994532	Finishing agent The use of amylopectin-type starch obtained from potato that has been subjected to a genetical engineering modification to suppress the formation of amylose-type starch, as a finishing agent in papermaking is described....	11/30/1999
5834446	Nerve process growth modulators Nerve process growth modulation can be achieved using derivatized cyclodextrins. Processes for making sulfated and aminated ଲ-cyclodextrin derivatives are also described in which a compound of the formula R"2 NCH X'+ X'-	11/10/1998
5780616	Cationic polymer The invention relates to a cationic polysaccharide, preferably in fibrous form, having superabsorbent characteristics. The polysaccharides are substituted by quaternary ammonium groups, have a ds of at least 0.5, preferably 0.5 to 2.5 and are cross-linked...	07/14/1998
5780619	Starch graft poly(meth)acrylate blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer...	07/14/1998
5523339	Method of papermaking using crosslinked cationic/amphoteric starches A method of making paper in an alkaline or acid system wherein a selected crosslinked, cationized or amphoteric starch is added to the system, said starch being crosslinked by adding enough crosslinking agent to provide a starch having a breakdown viscosi...	06/04/1996
5502082	Low density materials having good compression strength and articles formed therefrom A crosslinked, highly porous body derived from a water-soluble, hydrogel polymer, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cm3 a surface area of e...	03/26/1996
5039797	2'-O-(4-benzoyl)benzoyl nucleoside cyclic monophosphate The invention is a 2'-O-(4-benzoyl)benzoyl nucleoside 3', 5'-cyclic monophosphate of formula (I) ##STR1## wherein R' is guanine or adenine. Also disclosed are topical pharmaceutical compositions and methods of using them for reducing intraocular...	08/13/1991
4963666	Material of polysaccharides containing carboxyl groups, and a process for producing such polysaccharides Method of crosslinking carboxyl-containing polysaccharides in that the polysaccharide is at first activated with a bi- or polyfunctional reagent, and then after removal of any potential excess of activating reagent the crosslinking is performed during dry...	10/16/1990
4373099	Continuous process for preparation of a thinned cationic starch paste A process whereby a gelatinized starch having a cationic reagent chemically bound to the starch backbone and a reduced viscosity is prepared by (1) gelatinizing starch and substantially simultaneous with gelatinization reacting said treated starch with an...	02/08/1983
4296234	Absorbent materials A highly absorbent material, especially suitable for use in absorbent disposable products such as sanitary towels and tampons, consisting of a substantially water-insoluble cross-linked gelatinized starch, in which the degree of substitution of the cross-...	10/20/1981
4264766	Immunological diagnostic reagents A water-insoluble immunological reagent being formed from discrete particles of a latex carrier to which a water-soluble polyhydroxy compound is covalently bound having condensed thereto through a covalent link an immunologically active material; process ...	04/28/1981
4237271	Crosslinked starch halohydrins and their nitrogen-containing substitution products Crosslinked starch is reacted with an epihalohydrin in the presence of a strong acid catalyst to produce the 3-halo-2-hydroxypropyl ether. Substitution of the halogen with nitrogen-containing compounds enables the preparation of novel water-insoluble cati...	12/02/1980
4175073	Reactive derivatives of HS-group-containing polymers A novel class of reactive derivatives of polymers containing HS-groups is disclosed in which derivatives a number of the HS-groups are converted to a disulphide group of the formula -S-S-A-Z, where A is a hydrocarbon residue having 1-10 carbon atoms and Z...	11/20/1979
4155884	Process and apparatus for producing modified starch products A process and apparatus are described for producing modified starch products. In the method of the invention, a slurry of starch is continuously moved at elevated temperature and pressure through a tubular heating zone and the hot fluid mass emerging from...	05/22/1979
4139505	Enlarged granule starch stilt material for microencapsulated coatings Enlarged granule starch useful as a protective stilt material in microencapsulated coatings to prevent premature rupture of the microcapsules. Starch granules are increased in size by alkali-swelling of the granules in aqueous slurry. The enlarged granule...	02/13/1979
3997508	Improvements in treatment of high-molecular-weight water-soluble compounds with glyoxal A process for the manufacture of finely-powdered, water-soluble without formation of lumps, high-molecular weight compounds, preferably modified natural polymers, comprising dry mixing the finely-powdered high-molecular weight compounds to be treated with...	12/14/1976
3947352	Polysaccharide matrices for use as adsorbents in affinity chromatography techniques Polysaccharide matrices, e.g., agarose, for use in certain affinity chromatography procedures, are activated with sodium metaperiodate, derivatized with a symmetrical dihydrazide and thence reductively stabilized, preferably with sodium cyanoborohydride. ...	03/30/1976

PatentStorm

Quotables

PatentStorm News

Class 536/47 - Cross-linked