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Class 536/103 - Dextrin or derivative


Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which are any of various gummy polysaccharides
No. of patents: 517
Last issue date: 01/10/2012


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NumberTitleIssue Date
5248675Polysulfate of cyclodextrin derivative and process for preparing the same
A polysulfate of a cyclodextrin in which at least one of 6 to 8,D-glucose units constituting the cyclodextrin has been replaced by a unit represented by Formula (1): ##STR1## wherein R is a group represented by the formula: ##STR2## where R...
09/28/1993
5244881Compositions based on imipyramine
The invention provides new inclusion compounds based on imipramine and cyclodextrin and pharmaceutical compositions which can be administered orally and are based on these new inclusion compounds....
09/14/1993
5241059Cyclodextrin derivatives
Cyclodextrin derivatives having at least one group selected from among a sulfonic acid group, a sulfonic acid salt group, an ammonium salt group, a phosphoric acid group, a carboxyl group, a carboxylic acid salt group and a hydroxyl group are disclosed. T...
08/31/1993
5238927Hydrolytic stabilizer for unstable organic ions
Storage-stable aqueous solutions of hydrolytically unstable organic ionic compounds and cyclodextrins, which cyclodextrins are capable of forming hydrolytically stable inclusion complexes with the ionic compounds. Storage-stable rapidly solvated organic i...
08/24/1993
5231089Method of improving oral bioavailability of carbamazepine
The invention provides a method for improving the oral bioavailability of carbamazepine by administering per os, to a warm-blooded animal in need of carbamazepine therapy, a therapeutically effective amount of carbamazepine complexed with cyclodextrin sel...
07/27/1993
5229370Water soluble branched beta cyclodextrin steroid complex
A complex of branched beta cyclodextrin and steroid is formed by mixing a steroid and a branched beta cyclodextrin together in water for a period of about 4 to 24 hours under ambient conditions. The solubility of the steroid is increased about 95 times by...
07/20/1993
5227372Method for retaining ophthalmological agents in ocular tissues
A method for retaining ophthalmological agents in ocular tissues is provided comprising complexing an ophthalmological drug or reagent with a sulfated glucan sulfate such as cyclodextrin sulfate and contacting the complex so formed with the ocular tissue....
07/13/1993
5223295Process for the elimination of steroid compounds contained in substance of biological origin
The present invention relates to a novel process for the elimination of steroid compounds contained in a substance of biological origin by complexing the steroidal compounds by means of a cyclodextrin, in an aqueous medium, under agitation at a temperatur...
06/29/1993
5221735Cyclodextrin-polyene inclusion complexes
Inclusion complexes of the polyenes apocarotenal and lycopene in a cyclodextrin as well as their manufacture are described. The inclusion complexes are soluble in water, alcohol or water/alcohol mixtures....
06/22/1993
5208316Cyclodextrin polymer and cyclodextrin membrane prepared using said polymer
Provided are a cyclodextrin polymer containing cyclodextrin in the backbone chain of a high-molecular weight compound selected from a polyurethane, a polyurea, an unsaturated polyester, a polyester, a polycarbonate, a polyamide and a polysulfone, as well ...
05/04/1993
5206025Porous pharmaceutical form and its preparation
New porous, unitary freeze-dried pharmaceutical form, of homogeneous appearance, consisting of: a) an inclusion compound comprising: one or optionally more active substances, a predetermined quantity of cyclodextrin, optionally an additive facilitating inclusion, b...
04/27/1993
5206224Treatment of male hormone related diseases by cyclodextrins and their derivatives
A method for treatment of diseases having an etiology based on or accompanied by excess male hormone which comprises administering, to a subject in need of such treatment, a cyclodextrin or a derivative thereof in an amount effective in such treatment....
04/27/1993
5200517Inclusion-complexing agent for use in isolation of xylene isomer(s) and/or ethylbenzene
A mixture of xylene isomers or a mixture of a xylene isomer(s) and ethylbenzene is brought into contact with at least one specific substituted ଱-cyclodextrin to form an inclusion complex(es) of the substituted ଱-cyclodextrin with a xylene isom...
04/06/1993
5198430Inclusion complexes with silybinin, their preparation and pharmaceutical compositions containing them
The invention relates to inclusion complexes of Silybinin with a cyclodextrin selected from the group consisting of ଱-, ଲ- and γ-cyclodextrin and a suitable derivative thereof and to the method for the preparation thereof. The inclusion compl...
03/30/1993
5198429Substituted cyclodextrins and process for chromatographic separation of chiral organic compounds
Substituted cyclodextrins of the general formula ##STR1## in which R2 and R6 mean straight-chain or branched alkyl or alkenyl groups with 1 to 8 carbon atoms or cycloalkyl groups with 5 to 8 carbon atoms which can be the same or...
03/30/1993
5196406Cyclodextrin complex of fumagillin derivative
A complex of a fumagillin derivative represented by the general formula: ##STR1## wherein R1 is hydrogen; R2 is halogen, N(O)mR5 R6, N+ R5 R6 R7.X.sup.-, S(O)nR5
03/23/1993
5189149Method for the production of complexes of long chain polyunsaturated fatty acids and their derivatives, with cyclodextrins, and the resulting complexes
A method for the production of a complex formed by a long chain polyunsaturated fatty acid, a salt of it, alkyl ester C1 -C3 or glyceride, or a mixture thereof, with a cyclodextrin, and the resulting complex....
02/23/1993
5183809Cyclodextrin polymers and cyclodextrins immobilized on a solid surface
Polyionic derivatives of cyclodextrin polymers and cyclodextrins immobilized on a solid surface are disclosed. Compositions and methods for separating a molecular species, including but not limited to a biologically active protein, from a mixture, for the...
02/02/1993
5182270Stabilizing preparation for thymoxamine
Experiments have been performed which test the stability of thymoxamine in aqueous solution at room temperature and above. It was determined that dimethyl-beta-cyclodextrin slows the hydrolysis degradation of thymoxamine while other beta-cyclodextrin anal...
01/26/1993
5180716Cyclodextrin complexes for neuraxial administration of drugs
A method of delivering a drug to a patient, comprising administering said drug to the neuraxis of said patient in the form of a complex between said drug and a cyclodextrin, the cyclodextrin comprising at least one substituent to reduce crystallization of...
01/19/1993
5173481Preparation of specifically substituted cyclodextrins
A process for producing monosubstituted alpha-, beta-, and gamma-cyclodextrins includes the step of condensing an excess of a cyclodextrin with an epoxide under alkaline conditions. A process for increasing the solubility of cyclodextrins includes the ste...
12/22/1992
5164380Process for preparing piroxicam/cyclodextrin complexes, the products obtained and their pharmaceutical compositions
A process for preparing complexes of piroxicam with cyclodextrins in which the two components in the powder state are premixed and then co-ground in a high energy mill in the presence of steam. The products obtained have technological, physical and biopharmaco...
11/17/1992
5164379Sucralfate/cyclodextrin complexes
Complexes of sucralfate with alpha cyclodextrin, beta cyclodextrin, gamma cyclodextrin or 2-hydroxypropyl beta cyclodextrin are disclosed. Also disclosed are a process for producing complexes and compositions and a method for reducing gastric injury, empl...
11/17/1992
5155219Process for producing cyclodextrin from raw starch by using attrition milling bioreactor
A process for producing cyclodextrin from raw starch by mixing a culture supernatant of cyclodextrin gylcosyltransferase-producing microorganism as an enzyme source and a raw starch as a substrate, and stirring the mixture in the presence of an attrition ...
10/13/1992
5142035Encapsulated palladium complexes and one part heat curable organopolysiloxane compositions
Inclusion compounds of a cyclodextrin, such as ଲ-cyclodextrin, and a palladium halide-diene complex, such as a complex of PdCl2 and 1,5-cyclooctadiene have been found to be effective hydrosilylation catalysts. One part heat curable organo...
08/25/1992
5134127Derivatives of cyclodextrins exhibiting enhanced aqueous solubility and the use thereof
Sulfoalkyl ether cyclodextrin derivatives and their use as solubilizing agents for water insoluble drugs for oral, intranasal, or parenteral administration are disclosed....
07/28/1992
5132298Diuresis by cyclodextrins and their derivatives
A method for improvement in diuresis which comprises administering, to a subject in need of such improvement, a cyclodextrin or a derivative thereof in an amount effective to cause such improvement....
07/21/1992
5126333Pharmaceutical compositions having improved dissolution properties
A pharmaceutical composition comprising a drug and a dehydrated cyclodextrin having improved dissolution properties, and the process for the preparation thereof....
06/30/1992
5120720Preparation of lipophile:hydroxypropylcyclodextrin complexes by a method using co-solubilizers
The dissolution of lipophilic compounds in aqueous solutions of hydroxypropylcyclodextrins can be accelerated by the addition of co-solubilizers, such as ethanol or ammonia, which again can be removed, together with water, by evaporation or by freeze-dryi...
06/09/1992
5104547Separating materials for chromatography comprising cyclodextrin chemically bonded to a support via a carbamic acid group
The invention relates to a separating material for chromatography in which cyclodextrin is bonded to a support via a carbamic acid group....
04/14/1992
5098793Cyclodextrin films on solid substrates
A large class of crosslinked cyclodextrin resins soluble in water to an extent under about 200 ppm but soluble in an organic solvent to an extent of at least 0.1 weight percent have good film-forming properties with a wide variety of solid phase substrate...
03/24/1992
5096710Poison bait for control of noxious insects
A bait composition in a tablet form, which comprises as the essential components (a) at least one insect-growth controlling agent chosen from (a-1) insect juvenile hormone-like compounds and (a-2) insect chitin-synthesis inhibitors, (b) dextrin and (c) a ...
03/17/1992
5096894Rice dextrin oral rehydration solution
An improved oral rehydration solution comprising a mixture of rice dextrin and required electrolytes is provided. The functionality of the rice dextrin in oral rehydration solutions is superior to glucose in infants with chronic diarrhea resulting in lowe...
03/17/1992
5096893Regioselective substitutions in cyclodextrins
A method for obtaining a desired pattern of substitution of hydroxyalkyl groups on cyclodextrins which comprises controlling the basicity of a reaction mixture comprising epoxide and cyclodextrins and a suitable solvent. Through the proper control of basi...
03/17/1992
5089482Pharmaceutical compositions for nasal administration containing steroid hormones and dimethyl-ଲ-cyclodextrin
Pharmaceutical compositions having a formulation and form suitable for nasal administration, and containing 17ଲ-estradiol and/or progesterone. According to the invention, the composition also contains dimethyl-ଲ-cyclodextrin....
02/18/1992
5079237Inclusion complex of nicardipine or its hydrochloride with beta-cyclodextrin and a sustained release pharmaceutical preparation containing the same
There is described a new inclusion complex of nicardipine or its hydrochloride with beta-cyclohdextrin, which is prepared by admixing nicardipine or its hydrochloride with beta-cyclodextrin in a molar ratio of the compounds 1:0.9-1.1 under stirring at a t...
01/07/1992
5075432Spherical cyclodextrin polymer beads
The process entails forming a droplet of water, cyclodextrin and base in a non-polar solvent such as methylisobutylketone using polyvinyl butyral as an emulsifier. A cross-linking agent such as epichlorohydrin is reacted with the cyclodextrin and emulsify...
12/24/1991
5071838Treatment of shock by cyclodextrins and their derivatives
A method for treatment of shock which comprises administering, to a subject in need of such treatment, a cyclodextrin or a derivative thereof in an amount effective in such treatment....
12/10/1991
5070081Inclusion complexes of cyclodextrins by agglomeration
A combined process is described in which inclusion complexes are formed from guest molecules and cyclodextrins during agglomeration of the cyclodextrins. Sufficient agitation in the presence of a small amount of water results in complex formation and bond...
12/03/1991
5068226Pharmaceutical preparations containing cyclodextrins and their use in iontophoretic therapies
Cyclodextrins and especially ionic cyclodextrin derivatives facilitate the iontophoretic delivery of pharmaceutically active agents....
11/26/1991
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