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Class 536/112 - Dextran or derivative


Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which are high molecular weight polysaccharides
No. of patents: 232
Last issue date: 01/31/2012


          6  
NumberTitleIssue Date
4307084Porphine-carbohydrate-fatty acid complexes as synthetic respiratory pigments
An aqueous, biologically-compatible, reversible, oxygen-carrying system comprising a novel metallated porphine-carbohydrate-fatty acid complex, particularly a novel tetra-(p-carboxyphenyl)porphine-iron(II)-dextran-octanoate complex, useful as a synth...
12/22/1981
4298395Activated polymeric carriers
An activated polymeric carrier useful for bonding high and low molecular weight ligands has at least one unit thereof of the formula: ##STR1## wherein T represents atoms of the polymeric carrier; X is a divalent oxygen or sulfur atom, --NH--, --NHR5
11/03/1981
4293654Cell culture microcarriers
Improved cell culture microcarriers, and methods for their production and use, are disclosed herein. These improved microcarriers have positive charge capacities adjusted and/or controlled within a range suitable for good cell growth. One method for produ...
10/06/1981
4268663Macromolecular glycosidase substrates
Macromolecular compositions are provided which find use as glycosidase substrates, particularly where steric modulation of enzyme activity is involved. The compositions have a macromolecular hub to which is linked by means of a spacer arm a chromophore, w...
05/19/1981
4264766Immunological 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
4260602Hapten polysaccharide conjugate medicaments and method of use
The present invention provides conjugates between levan or dextran and a medicament, processes for preparing them, pharmaceutical compositions containing them and intermediates in their preparation. The conjugates create tolerance to the administration of...
04/07/1981
4258180C6-Modified cyclodextrin sulfate salts as complement inhibitors
C6-Modified cyclodextrin sulfate salts useful as complement inhibitors....
03/24/1981
4247535Modified cyclodextrin sulfate salts as complement inhibitors
Modified cyclodextrin sulfate salts useful as complement inhibitors....
01/27/1981
4238482Intraocular infusion irrigation solution and method
Improved fluid for intraocular infusion and irrigation and methods of preparation and use. The fluid is an aqueous physiologic saline solution containing from 2-15% by weight of an artificial, substantially non-antigenic oncotic agent of a colloid type, s...
12/09/1980
4226983Preparation of metal complexes
A process is disclosed for the preparation of a complex of an element in solution, said complex including the element and an organic complexing agent, which process comprises treating a gel precipitate containing the element and an organic complexing agen...
10/07/1980
4211865Novel prostaglandin precursors in polymeric form
A novel polymer consisting of a macromolecular polysaccharide matrix which is esterified in whole or in part by activated polyunsaturated acids containing twenty carbon atoms. Typical of these acids are, for example, 8, 11, 14-eicosatrienoic acid, 5, 8, 1...
07/08/1980
4201772Sterile aqueous solution of a mixture of isomalto-oligosaccharides and its use for parenteral administration to mammals
A sterile aqueous solution containing 0.02 to 30 g per 100 ml solution of a mixture of isomalto-oligosaccharides comprising (a) 0-15 percent by weight of isomaltose, (b) 20-65 percent by weight of isomaltotriose, isomaltetraose and isomaltopentaose, each of th...
05/06/1980
4195128Polymeric carrier bound ligands
A process for bonding a ligand to a carrier through the use of a pyrimidine derivative of the formula: ##STR1## in which R1, R2, R3 and R4 are each independently hydrogen, hydroxyl, halogen, lower alkyl, lo...
03/25/1980
4178439Sulphated ion exchanger and method for preparation thereof
The invention relates to a novel sulphated cationic ion exchanger and to a method for preparation thereof. In addition it relates to a method of improving the capacity of an exchange matrix to receive sulphated groups. Although the general attraction of s...
12/11/1979
4175073Reactive 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
4160826Inhibitor preparation for the absorption of lipids, based on diethylaminoethyldextran
Pharmacological preparation having an inhibiting action on the lipids absorption, wherein it contains, as active agent, diethylaminoethyldextran....
07/10/1979
4143201Polysaccharide beads
A matrix comprising a water-insoluble ଲ-1,3-glucan gel in the shape of beads with diameters within the range of about 5 to 1000 μ is prepared by, for example, dispersing an alkaline aqueous solution of a water-insoluble ଲ-1,3-glucan in a wate...
03/06/1979
4131727Method of purifying alcohol dehydrogenase and affinity resin therefor
An affinity resin containing pyrazole immobilized on a solid insoluble support by a coupling arm bonded at the 4-position having a length of at least 12 Angstrom units is used to purify and fractionate crude alcohol dehydrogenase extract into a pyrazole-b...
12/26/1978
4119521Fluorescent derivatives of activated polysaccharides
The disclosure is of fluorescent deoxyribonucleic acid intercalating agent derivatives of activated polysaccharides such as cyanogen halide-activated agarose and the like. The derivatives are useful fluorescent stain ingredients of water-insoluble gels us...
10/10/1978
4118347Filler for liquid chromatography
A granular filler for liquid chromatography consisting essentially of a porous copolymer of (A) a glycidyl monovinyl ester of glycidyl monovinyl ether and (B) an alkylene glycol divinyl ester with component (A) being crosslinked by component (B) to form a...
10/03/1978
4111751Method of purifying alcohol dehydrogenase
An affinity resin containing pyrazole immobilized on a solid insoluble support by a coupling arm bonded at the 4-position having a length of at least 12 Angstrom units is used to purify and fractionate crude alcohol dehydrogenase extract into a pyrazole-b...
09/05/1978
4094833Vinylic group containing dextran derivative gel in particle form for separation purposes
A dextran derivative gel in particle form for use in the separation of substances according to their molecular size and/or electrical charge by means of gel-chromatographic and/or ion exchange techniques is disclosed which gel comprises a copolymerizate o...
06/13/1978
4094832Vinylic group containing dextran derivative gel for use in electrophoretic separation processes
A dextran derivative gel for use in electrophoretic separation processes is disclosed, which gel comprises a polymerizate obtained by the free-radical homopolymerization of a dextran derivative containing vinylic groups of the formula ##STR1## w...
06/13/1978
4076930Polysaccharide polyols
Hydroxyalkyl ethers of hydroxyalkoxy polysaccharides are prepared by reacting the corresponding polysaccharide first with an epoxide in an aqueous alkaline medium, and then with an epoxide in the presence of a Lewis acid catalyst in a nonaqueous, nonalcoh...
02/28/1978
406938716-Chloro-substituted prostaglandins and derivatives thereof
The present invention relates to compounds of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## B represents a single bond or a straight- or branched-chain alkylene group containing from 1 to 9 carbon atoms, W repres...
01/17/1978
4066829Malto-dextrin poly(H-)sulfates
Malto-dextrin poly(H-)sulfate and salts thereof useful as inhibitors of the complement system....
01/03/1978
4039662Ophthalmic solution
Ophthalmic solution suitable as an artificial tear material of low viscosity containing a polysaccharide and benzalkonium chloride....
08/02/1977
4031306Polygalactomannan allyl ether compositions
This invention provides novel allyl ethers of polygalactomannans having a degree of substitution between about 0.01 and 3, and further provides a process for producing allyl ethers of polygalactomannan gums by contacting solid polygalactomannan gum with a...
06/21/1977
4020268Agarose containing affinity matrix materials
A novel affinity matrix material for trypsin and trypsin-like enzymes is disclosed. Methods employing this material to isolate and/or purify crude extracts containing trypsin and trypsin-like enzymes and to store the purified enzymes obtained are also dis...
04/26/1977
4011205Enzyme separation
A reactive matrix comprises a co-enzyme chemically attached to a water insoluble organic polymeric support material. The reactive matrix may be used in a process for the separation of mixtures containing a plurality of enzymes....
03/08/1977
4002173Diester crosslinked polyglucan hydrogels and reticulated sponges thereof
Novel hydrogel compositions of diester crosslinked polyglucans and a process for their preparation are provided. Amylose, dextran, and pullulan succinates and glutarates when crosslinked as described were found to not only have use as general fluid sorban...
01/11/1977
3983232Novel agent for treatment of dehydrations in veterinary medicine, process for preparation and new use thereof
An agent for the treatment of dehydrations in animals consisting of solutions of dextran or its hydroxy alkyl derivatives; methods for preparing said agent; and the method of treating dehydration in animals by interperitoneally treating affected animals w...
09/28/1976
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