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Class 536/52 - Gum derivatives


Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which are exudations of plants produced to cover
No. of patents: 58
Last issue date: 08/28/2007


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NumberTitleIssue Date
7262179Wound care compositions
Compositions for the treatment of wounds and skin injuries are described. The compositions, which include gellan gum, increases in viscosity once applied to the wound to form an immobile gel. The composition may be in sprayable form or dispersed in an aqueous soluti...
08/28/2007
7114569Methods, cement compositions and suspending agents therefor
The present invention includes methods of cementing, cement compositions and a suspending agent comprising boron treated low molecular weight dry ground guar splits. A cement composition of the invention comprises hydraulic cement, water and a boron treated low mole...
10/03/2006
7084107Methods for stabilizing liquid nutritional products and products so stabilized
Nutritional solutions and methods of making same are disclosed. The solutions include protein, lipid, and a carbohydrate source including high amylose starch and guar gum. ...
08/01/2006
6933380Excipients containing low residual solvent and method for producing the same
The present invention provides low-residual-solvent containing excipients with residual solvent less than
08/23/2005
6872820Finely divided polysaccharide derivatives
Finely divided polysacharide derivatives are described. The finely divided polysacharide derivatives are prepared by a process comprising: a) forming an aqueous composition comprising a polysaccharide derivative and water, in which the polysaccharide derivative is s...
03/29/2005
6602996Modified gellan gum composition process for preparation of same and use thereof
The invention relates to a modified gellan gum in which the total acyl content as well as the ratio of acyl substituent groups to glycerate substituent groups per linear saccharide repeat unit is altered to be higher than 1. The invention further relates ...
08/05/2003
6596704Wound care compositions
Compositions for the treatment of wounds and skin injuries are described. The compositions, which include gellan gum, increases in viscosity once applied to the wound to form an immobile gel. The composition may be in sprayable form or dispersed in an aqu...
07/22/2003
6528629Malto-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
6455691Preparation of chemically reactive polysaccharides
This invention describes improvements in or relating to the production of polysaccharide derivatives; more particularly it relates to a method of converting insoluble polysaccharides to a form in which they form part of an anhydrous system in which they m...
09/24/2002
6265570Cold water soluble starch aldehydes and the method of preparation thereof
Stable, cold water soluble, ready for use starch aldehyde compositions and the method of preparation of such compositions wherein an aqueous dispersion of a converted starch acetal is hydrolyzed under acidic conditions to form the starch aldehyde which is...
07/24/2001
6103885Method of making amide modified carboxyl-containing polysaccharide and fatty amide-modified polysaccharide so obtainable
The Invention pertains to a process for the amidation of a material having at least one carboxyl-containing polysaccharide. The provided process involves a first step in which the carboxyl groups are reacted with an ammonium donor of the general formula >...
08/15/2000
5739304Process for the preparation of water-soluble aminoalkyl derivatives of polysaccharides
Water-soluble polysaccharides which contain a) substituents selected from the group consisting of alkyl, hydroxyalkyl, carboxyalkyl and sulfoalkyl, b) N,N-disubstituted aminoalkyl groups, are prepared by alkylation of a polysaccharide in the presence of a base ...
04/14/1998
5700917Aldehyde cationic derivatives of galactose containing polysaccharides used as paper strength additives
Aldehyde cationic derivatives of galactose containing polysaccharides which are obtained by oxidizing galactose containing polysaccharides with the enzyme galactose oxidase. The enzyme oxidized products have an aldehyde function at a specific position of ...
12/23/1997
5593969Lipid-A analogs: monosaccharide and dissaccharide compounds for inhibiting binding of lipid A receptors to lipid A receptors
A compound of the formula: ##STR1## wherein: each of R1, R1 ', R2 and R2 ' independent of each other is a substituted or unsubstituted, branched or linear C1-12 alkyl, alkene or alkyne group, R
01/14/1997
5554745Aldehyde cationic derivatives of galactose containing polysaccharides used as paper strength additives
Aldehyde cationic derivatives of galactose containing polysaccharides which are obtained by oxidizing galactose containing polysaccharides with the enzyme galactose oxidase. The enzyme oxidized products have an aldehyde function at a specific position of ...
09/10/1996
5536825Derivatized guar gum composition and process for making it
Derivatized guar gum which demonstrates greater than 75% light transmission at a wavelength of from about 500-600 nanometers when dispersed in water in the amount of 0.5 parts per 100 parts water and the process for producing such guar gum is disclosed....
07/16/1996
5502082Low 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
5473059Modified hydrophobic cationic thickening compositions
Water soluble quaternary ammonium ethers of polysaccharides or polyols wherein the quaternary ammonium ether substituents correspond to the formula ##STR1## wherein R1 is a monohydroxylated or polyhydroxylated alkyl group containing b...
12/05/1995
5454973Stable dispersible mineral acid slurry of benzidine derivatives
Mineral acid slurries of benzidine derivatives having high stability are provided by incorporating into such slurries a polysaccharide....
10/03/1995
5387675Modified hydrophobic cationic thickening compositions
Water soluble quaternary ammonium ethers of polysaccharides or polyols wherein the quaternary ammonium ether substituents correspond to the formula ##STR1## wherein R1 is a monohydroxylated or polyhydroxylated alkyl group containing b...
02/07/1995
5349089Reagent for preparing polycationic polysaccharides
Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati...
09/20/1994
5296245Plant gum material and use thereof in food products
A method for the culturing of gum-secreting plant cells, recovery of the gum from the medium and use of the plant gum in food products is described. In particular, the plant gum product of cultured Pyrus, Prunus avium and Rosa cells can be used in food pr...
03/22/1994
5278203Method of preparing and improved liquid gelling agent concentrate and suspendable gelling agent
Water-soluble, polymer viscosifiers of aqueous solutions, also known as gelling agents, can be suspended in a hydrocarbon carrier fluid, such as, diesel to prepare a liquid gel concentrate. When a liquid gel concentrate is added to an aqueous solution the...
01/11/1994
5227481Cationic polysaccharides and reagents for their preparation
Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati...
07/13/1993
5149788Purification of chimeric proteins containing an IL-2 moiety by receptor-affinity chromatography
Methods are provided for the purification of interleukin-2 (IL-2) and chimeric proteins containing an IL-2 moiety from a wide variety of sources, including synthetic mixtures, cell culture conditioned medium and mammalian and bacterial recombinant express...
09/22/1992
5133979Plant gum material and use thereof in food products
A method for the production of a plant gum product which comprises the steps of culturing gum-secreting plant cells in tissue culture in the presence of a culture medium; and recovering the gum product secreted by the cells from the culture medium. The gu...
07/28/1992
5071978Silated polysaccharide process
Silated polysaccharides having 0.005 to 2.0 silyl molar substitution per anhydrosaccharide unit form water resistant films when cast from aqueous solution and dried in the presence of atmospheric carbon dioxide. These films are soluble in aqueous caustic....
12/10/1991
5059685Cationized polysaccharide derivatives with hypocholesterolemic activity
Cationized derivatives of natural polysaccharides having a polyglucoside structure with 50-5000 monomer units and one or more side chains bonded to the glucoside nucleus by a nitrogen or oxygen atom or an amide group, said side chains having one or more q...
10/22/1991
5059686Silated polysaccharides
Silated polysaccharides having 0.005 to 2.0 silyl molar substitution per anhydrosaccharide unit form water resistant films when cast from aqueous solution and dried in the presence of atmospheric cabron dioxide. These films are soluble in aqueous caustic....
10/22/1991
5011918Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde interactions
A polysaccharide derivative having the structure Sacch--O--Z--Ar--CH.dbd.N--Y or ##STR1## where Sacch--O-- represents a polysaccharide molecule; Z is --(CH2)n -- or ##STR2## Ar is a divalent aromatic group; Y is (a) a ...
04/30/1991
5010061Guar flour
The instant invention relates to guar flour formulations, to be ingested, wherein the formulations contain natural guar flour having a particle size diameter or 50 μm to 1500 μm and neither containing nor having been treated with any additive which subs...
04/23/1991
5002934Aqueous gel comprising carrageenan
The invention pertains to aqueous gels, gel-forming compositions and composites containing the same, comprising carrageenan and a cation of such a type and in such a concentration that the gel has a transition midpoint temperature below 45° C. and a yiel...
03/26/1991
5003060Readily dispersed/dissolved porous biopolymer granules
Solid, free-flowing and nondusting porous biopolymer, e.g., xanthan gum, granules are produced in fluidized bed and are quickly dispersed/dissolved in aqueous media for use as thickening agents for a wide variety of applications....
03/26/1991
4985410Quaternary ammonium salts of polysaccharides, prossessing hypocholesterolemic activity
Quaternary ammonium salts of polysaccharides possessing hypochlolesterolemic activity and having the following general formula: ##STR1## in which A represents the monomer unit of a natural polysaccharide, m is a whole number between 100 and 1000, n i...
01/15/1991
4963664Processes for the preparation of amides and amines from a material having carboxyl-containing polysaccharides and products therefrom
New amines and amides of carboxylated polysaccharides having the nitrogen of the amido and amino groups directly attached to the polysaccharides and method of making same, based on reacting in solution a material having carboxyl-containing polysaccharides...
10/16/1990
4952686Soluble dried cassia alloy gum composition and process for making same
A process and composition is provided for a hydratable, alloy gum composition of Cassia gum and another gelling and thickening agent which composition is capable of forming a clear, stable colloidal solution. The compositions are usually more easily dispe...
08/28/1990
4801699Polysaccharide esters containing acetal and aldehyde groups
Polysaccharide esters containing aldehyde and acetal groups having the structural formulas ##STR1## are prepared by reacting a polysaccharide, such as a starch, gum, or cellulose, with an acetal-containing reagent which contains a functional gro...
01/31/1989
4788280Polysaccharide derivatives containing aldehyde groups on an aromatic ring, their preparation from the corresponding acetals and use in paper
Polysaccharide aldehydes having the formula ##STR1## or Sacch--O--CH2 --Ar--CHO (II) such as starch, cellulose, and gum aldehydes, are useful as paper additives for imparting strength and as the granular or gelatinized portion of a corruga...
11/29/1988
4760135Phloretin and phlorizin derivative containing compounds
Compounds including phloretin and/or phlorizin derivatives coupled to an undigestible and non-absorbable matrix are provided. The compounds have pharmacological efficacies. They inhibit sugar uptake from the intestine and may be used in composition form i...
07/26/1988
4758282Process for dry cationization of galactomannans
A process for the dry cationization of galactomannans by reaction with alkylidene epoxides in an alkaline medium in the presence of water at 5° to 60° C. and in the presence of finely divided, hydrophilic silicic acid....
07/19/1988
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