Class 560/68 - Tannins and reaction products thereof

Subclass of Class 560 - Organic compounds -- part of the class 532-570 series
Definition: Products and their processes which are known as tannins
No. of patents: 34
Last issue date: 09/25/2007

Number	Title	Issue Date
7273623	Process for preparing tannate tablet, capsule or other solid dosage forms An active pharmaceutical ingredient is combined with tannic acid to form a tannate salt complex of the active ingredient. The active ingredient tannate salt complex without isolation or purification is then blended with pharmaceutically acceptable excipients to form...	09/25/2007
7001886	Hot melt method for preparing diphenhydramine tannate The invention pertains to a method for preparing diphenhydramine tannate by reacting diphenhydramine free base at a temperature of about 75 to about 150° C. with tannic acid neat or as an aqueous slurry containing up to about 20 wt. % water. The diphenhydramine fre...	02/21/2006
6939856	Method for preparing dexchlor tannate The invention pertains to a method for preparing dexchlorpheniramine (“dexchlor”) tannate by reacting dexchlorpheniramine free base at a temperature of about 75 to about 150° C. with tannic acid neat or as an aqueous slurry containing up to about 20 wt. % water...	09/06/2005
6921539	Antimicrobial therapeutic compositions and method of use The invention provides therapeutic antimicrobial compositions and methods for their use based on natural organic phenolic compounds combined with pharmacological agents. The antimicrobial activities of each carvacrol and thymol are believed to be enhanced, while the...	07/26/2005
6916899	Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols A process of using of a particularly substituted phenol as a chain terminator of a polymeric resin is disclosed. The chain terminator is a member selected from among ortho-substituted phenol, metha-substituted phenol, and their corresponding coupled esters. The poly...	07/12/2005
6881744	Carbinoxamine tannate The invention pertains to carbinoxamine tannate and to a method for preparing carbinoxamine tannate by reacting carbinoxamine free base at a temperature of about 50 to about 150° C. with tannic acid neat or as an aqueous slurry containing about 5 to about 30 wt. % ...	04/19/2005
6833360	Process for preparing pseudoephedrine tannate The invention pertains to a method for preparing pseudoephedrine tannate by reacting pseudoephedrine free base at a temperature of about 70 to about 110° C. with tannic acid neat or as an aqueous slurry containing about 5 to about 30 wt. % water. ...	12/21/2004
6790980	Tannate compositions and methods of treatment The present invention is directed to methods and compositions for treating upper respiratory indications, such as the treatment, management or mitigation of cough, cold, cold-like symtoms, symtoms related to upper respiratory infections, influenza symptoms and aller...	09/14/2004
6689817	Process for preparing guaifenesin tannate The invention pertains to a process for preparing guaifenesin tannate. The process involves the steps of mixing guaifenesin with tannic acid in the presence of water, continuing to mix the reaction mixture for about 5 minutes to about 4 hours and thereaft...	02/10/2004
6677381	Guaifenesin tannate The invention pertains to a novel composition comprising guaifenesin tannate and to a method for preparing guaifenesin tannate by reacting guaifenesin with tannic acid at a temperature above the melting point of guaifenesin. The guaifenesin tannate has ex...	01/13/2004
6670370	Dextromethorphan tannate The invention pertains to a composition comprising dextromethorphan tannate and to a method for preparing dextromethorphan tannate by reacting dextromethorphan at a temperature of about 80 to about 180° C. with tannic acid either neat or as an aqueous sl...	12/30/2003
6509492	Tannate compositions and methods of treatment The present invention is directed to methods and compositions for treating upper respiratory indications, such as the treatment, management or mitigation of cough, cold, cold-like symptoms, symptoms related to upper respiratory infections, influenza sympt...	01/21/2003
6455727	Process for preparing carbetapentane tannate The invention pertains to a process for preparing carbetapentane tannate. The process involves the steps of heating carbetapentane to a temperature of about 80 to about 120° C. and slowly adding tannic acid to the carbetapentane while agitating the react...	09/24/2002
6410777	Salicylic acid ester derivative and its production The present invention provides a salicylic acid ester derivative having an impurity content lower than a specific level and expressed by the following formula (1) ##STR1## (in the formula, R1 is methyl group or ethyl group, R2, which...	06/25/2002
6337411	Stromelysin inhibitors Compounds of the formula I ##STR1## are suitable for the production of pharmaceuticals for the prophylaxis and therapy of conditions whose course involves an increased activity of matrix-degrading enzymes, in particular stromelysin....	01/08/2002
6264840	Process for producing insoluble tannin and method for adsorbing hexavalent chromium by using the tannin The process of the present invention comprises the steps of (a) a step of dissolving a condensed tannin powder in an aqueous alkaline solution, (b) a step of admixing an aqueous aldehyde solution with the aqueous solution obtained in the step (a), (c) a s...	07/24/2001
6063770	Tannic acid compositions for treating cancer A pharmaceutical composition including tannic acid and tannin complexes from a plant of the Musaceas family (banana, plantain, etc.), and a method of treating cancer with tannic acid and tannin complexes....	05/16/2000
5663415	Process for preparing antihistamine tannates A process for preparing pure antihistamine tannate compositions. The antihistamine in the form of its free base is contacted with tannic acid in the presence of water for a period of time of about 5 minutes to 4 hours and at a maximum temperature such tha...	09/02/1997
5431729	Air entrainment compositions for cement compositions Compositions and methods relating to cementitious compositions are provided. The use of a blend of a rosin and a tannin to entrain air into cementitious compositions is provided. A blend of a rosin and a tannin in a weight ratio of 10:1 to 1:10 are added ...	07/11/1995
5376615	Color-developing compositions and their use A color-developing composition comprises a multi-valent-metal-modified salicylic acid resin (Resin A) and a polycondensation resin (resin B) at a weight ratio of 90-30 to 10-70. Resin A is composed of 5-35 mole % of a structural unit (I) and 65-95 mole % ...	12/27/1994
5358713	Method of preventing the transmission of infection caused by methicillin-resistant Staphylococcus aureus A method for preventing infection caused by an antibiotic-resistant staphylococcus, which includes applying an effective antibacterial amount of tea or a tea polyphenol to an individual....	10/25/1994
5330755	Process for the production of an anti-diarrheic product based on carob Desugared carob pod is treated with superheated steam to pasteurize and dry the carob....	07/19/1994
5300677	Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin An insoluble hydrolysable tannin is prepared by dissolving a hydrolysable tannin powder in aqueous ammonia; mixing the resulting solution with an aldehyde aqueous solution to form a precipitate; heating the precipitate; mixing the heated precipitate with ...	04/05/1994
5296629	Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin An insoluble hydrolysable tannin is prepared by dissolving a hydrolysable tannin powder in aqueous ammonia; mixing the resulting solution with an aldehyde aqueous solution to form a precipitate; heating the precipitate; mixing the heated precipitate with ...	03/22/1994
5274169	Method of preparing insoluble hydrolysable tannin and method of treating waste liquid with the tannin An insoluble hydrolysable tannin is prepared by dissolving a hydrolysable tannin powder in aqueous ammonia; mixing the resulting solution with an aldehyde aqueous solution to form a precipitate; heating the precipitate; mixing the heated precipitate with ...	12/28/1993
5238680	Tannin extraction Method for extracting tannins from bark and multi-stage apparatus suitable therefor. The method includes the steps of: contracting bark containing tannins with a first tannin enriched aqueous wash medium at elevated temperatures; separating the tannin-ric...	08/24/1993
5023366	Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers, and color-developing sheets employing the agents Disclosed herein are salicylic acid copolymers having a weight average molecular weight of 500-10,000 and obtained (a) by condensing salicylic acid (i) with a benzyl alcohol (ii) and/or benzyl ether (iii) or a benzyl halide (iv) in the presence of an acid...	06/11/1991
4981485	Hair-dyeing composition comprising tannins and water soluble salts Disclosed is a hair-dyeing composition comprising one or more tannins and one or more compounds selected from water-soluble zinc, copper, tin, magnesium and aluminum salts. The composition may be in the form of either a one-solution-type or a two-solution...	01/01/1991
4755618	Recovery of active tannin from schoene sludge A process for recovering active gallotannin for reuse comprising the extracting of dried schoene sludge (about 5% moisture) with a mixture of about 88 vol. % acetone--12 vol. % water to solubilize the gallotannins. The solvent is evaporated off, the resid...	07/05/1988
4710586	Fluid loss additives for oil base muds and low fluid loss compositions thereof A novel ammonium salt of quebracho prepared by reacting quebracho with alkyl quaternary ammonium salts is an effective fluid loss control agent when used in oil base drilling fluids for use in drilling oil and gas wells, especially in water in oil emulsio...	12/01/1987
4544666	Chemotherapeutic agents for the control of plant diseases A chemotherapeutic composition for the control of plant diseases caused by mycoplasma-like organisms, rickettsia-like organisms, or seed-borne legume viruses. The composition is composed essentially of the tannate complex of picro ammonium formate combine...	10/01/1985
4471134	Preparation of trimethoxybenzoate esters and trimethoxybenzoic acid A mixture of intermediate products including a carboxylic salt of 3,4,5-trimethoxybenzoic acid (TMB acid) and a dimethoxy benzoic acid derivative of such salt further containing an oxygen anion in the 3,4, or 5 position is prepared by initially reacting h...	09/11/1984
4408065	Process for the separation of methylparaben from wintergreen oil An adsorptive separation process for separating methylparaben from a feed mixture comprising methylparaben and wintergreen oil, which process comprises contacting the feed mixture with an adsorbent comprising a type X or type Y zeolite, selectively adsorb...	10/04/1983
3932488	Etherification of bark extracts and condensed tannins Polyphenolic extracts of coniferous tree barks and condensed tannins from wood such as quebracho extracts are etherified by reaction at elevated temperature in the presence of an alkaline catalyst with an olefin containing a double bond-activated carbonyl...	01/13/1976

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Class 560/68 - Tannins and reaction products thereof