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Class 562/582 - Polycarboxylic


Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid contains more than one carboxyl
No. of patents: 125
Last issue date: 09/16/2008


1        
NumberTitleIssue Date
7425646Fluorinated adamantane derivative
A compound represented by the formula AF(—COF)n, provided that AF and n have the following meanings. AF: a fluorinated adamantane residue which is an n-valent group having an n number of hydrogen atoms removed fro...
09/16/2008
7252740(per) fluoropolyether carboxylic acids and use thereof for the oleo-repellent paper sizing
Carboxylic acids comprising perfluoropolyether chains, of formula: T1—CFW1—O—Rf—CFW2—T2  (I) wherein T1, T2, equal to or different from each other, are sel...
08/07/2007
7230131Carnitine-magnesium hydroxycitrate
A method for preparing, from at least one hygroscopic substance, mixtures that can be granulated and that have little hygroscopicity. The corresponding mixtures, especially carnitine-magnesium citrate and carnitine-magnesium hydroxycitrate, are produced. ...
06/12/2007
7186856Process for preparing carboxylic acids and derivatives thereof
Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the correspon...
03/06/2007
7183230Protective cover system including a corrosion inhibitor
A protective cover system (100) for inhibiting corrosion of a metallic object. The protective cover system includes a cover (101, 200, 600) for defining a microenvironment and a corrosion inhibitor source for releasing one or more corrosion inhibitors ...
02/27/2007
7118615Biodegradable corrosion inhibitor composition
A corrosion inhibitor composition includes between about 90 and about 99 percent by weight ammonium benzoate, and one or more additive components in an amount of between 1 and about 10 percent by weight of the composition. The one or more additive components are sel...
10/10/2006
7115783PFPEs having at least an alkylether end group and respective preparation process
Perfluoropolyethers having structural formula R1O—(CF2O)n—(CF2CF2O)mR2  (I) wherein: R1 is —CH3 or —C2H5
10/03/2006
7067165Dimetalhydroxy malate fortified food matrices
A mineral fortified food matrix can comprise a dimetalhydroxy malate composition and a food matrix fortified with the dimetalhydroxy malate composition. Additionally, a method of administering a mineral in a bioavailable form to a warm-blooded animal can comprise st...
06/27/2006
7053012Flexible corrosion-inhibiting cover for a metallic object
A cover (200) for inhibiting corrosion of a metallic object over which the cover is placed. The cover has an inner surface (104) defined by a liquid-permeable layer (202) and an outer surface (102) defined by a liquid-impermeable layer (
05/30/2006
6982286Carbocyclic hydrazino inhibitors of copper-containing amine oxidases
The present invention is directed to carbocyclic hydrazino compounds that function as inhibitors of copper-containing amine oxidases commonly known as semicarbazide-sensitive amine oxidases (SSAO), including the human SSAO known as Vascular Adhesion Protein-I (VAP-1...
01/03/2006
6809089Sulfonylaminocarboxylic acid N-arylamides as guanylate cyclase activators
The present invention relates to compounds of the formula I in which A1, A2, R2 and R3 have the meanings indicated in the claims, which are valuable pharmaceutical active com...
10/26/2004
6777213Isolation of carboxylic acids from fermentation broth
A process for recovering carboxylic acids from an aqueous mixture such as a fermentation broth using a solvent containing at least one olefin without the need for first removing the spent microorganism cells is provided. A co-solvent which increases the partition co...
08/17/2004
6770782Process for the production of potassium hydroxy citric acid, and compositions containing the potassium hydroxy citric acid
The present invention provides a new process for the isolation of hydroxy citric acid in the form of a potassium salt from Garcinia fruit. The present invention also provides compositions containing the potassium hydroxy citrate for use as appetite suppressants....
08/03/2004
6706904Dimetalhydroxy malates
Dimetalhydroxy malate compositions as well as methods of administering and making such bioavailable compositions are provided. The metal used can be any nutritionally relevant divalent metal such as calcium, magnesium, zinc, copper, manganese, and iron. The composit...
03/16/2004
6670505Process for the recovery of organic acids from aqueous solutions
A process for recovering a desired organic acid from a solution includes the steps of: providing an aqueous solution including at least one desired organic acid or its acid anion; adjusting the proton concentration in the aqueous solution to a desired lev...
12/30/2003
6652820Methods of making cesium salts and other alkali metal salts
A method of making a cesium salt is described and involves reacting a cesium sulfate containing solution with lime to form 1) a solution containing at least cesium hydroxide and 2) a residue comprising calcium sulfate. The method further involves removing...
11/25/2003
6555078Method of preparing lithium salts
The present invention provides an inexpensive process for the preparation of lithium salts of formula LiX having a desired or required level of purity using lithium chloride and lithium sulfate. In the process of the invention, a lithium salt selected fro...
04/29/2003
6548547Sulfonylamino carboxylic acid N-arylamides as guanylate cyclase activators
The present invention relates to compounds of the formula I ##STR1## in which A1, A2, R2 and R3 have the meanings indicated in the claims, which are valuable pharmaceutical active compounds for the therapy and p...
04/15/2003
6509326Combined calcium and vitamin D supplements
Nutritional mineral supplements comprising calcium citrate malate and vitamin D are disclosed. Estrogen can also be used with these supplements. These supplements, which provide at least 25% RDA of calcium and vitamin D are used in addition to the normal ...
01/21/2003
6495711Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters
The invention relates to a process for preparing (-)-(1S,4R) N protected 4-amino-2-cylcopentene-1-carboxylate esters represented by the formula (I) ##STR1## wherein R1 and R2 are as described within the specification....
12/17/2002
6395179Thermally-managed separation and dewatering processes for recovering acid products
Described are preferred processes separating desired chemical products from impurities in solution utilizing thermally-managed chromatography over solid adsorbents. The preferred processes involve chromatographic principles which are assisted by varying t...
05/28/2002
6376223Process for purifying polycarboxylic acids
Polycarboxylic acids are purified by contacting a crude polycarboxylic acid with a solvent to produce a substantially pure polycarboxylic acid. The solvent is chosen so that the impurities are soluble in the solvent and the polycarboxylic acid is insolubl...
04/23/2002
635301215-Hydroxyeicosatetraenoic acid-related compounds and methods of use
HETE derivatives and methods of their use for treating dry eye are disclosed....
03/05/2002
6245538Process for recovering carboxylic acids from a fermentation broth
Carboxylic acids are recovered from a fermentation broth by adjusting the pH of a fermentation broth comprised of a carboxylic acid to at least about 6.0 and then heating the pH-adjusted broth to a temperature sufficient to effect the formation of three i...
06/12/2001
6221901Magnesium (-)hydroxycitrate, method of preparation, applications, and compositions in particular pharmaceutical containing same
Magnesium (-)hydroxycitrate, preparation process, dietary and therapeutic uses particularly in the cardiovascular field, and compositions in particular pharmaceutical containing it....
04/24/2001
6156929Biodegradable film
Biodegradable resin products consisting essentially of a polymeric resin of starch, polyesters of polylactic acid and polycaprolactone. In admixture with the resin is a particulate vapor phase corrosion inhibitor selected from amine salts, ammonium benzoa...
12/05/2000
6143532Process for recovering carboxylic acids from a fermentation broth
Carboxylic acids are recovered from a fermentation broth by adjusting the pH of a fermentation broth comprised of a carboxylic acid to at least about 6.0 and then heating the pH-adjusted broth to a temperature sufficient to effect the formation of three i...
11/07/2000
6121222Anionic surfactants having multiple hydrophobic and hydrophilic groups
A novel class of anionic surfactants with improved surfact active properties is comprised of two hydrophilic and two hydrophobic groups represented by the formula: ##STR1## The surfactants exhibit unusually low critical micelle concentration (cmc) ...
09/19/2000
5925759Methods of making HIV-protease inhibitors and intermediates for making HIV-protease inhibitors
HIV protease inhibitors inhibit or block the biological activity of the HIV protease enzyme, causing the replication of the HIV virus to terminate. These compounds can be prepared by the novel methods of the present invention using the novel inventive int...
07/20/1999
5905127Polymerizable mesophases based on substituted unsaturated carboxylic acids
Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c...
05/18/1999
5801270Amine derivative and detergent composition containing the same
The present invention relates to an amine derivative represented by the following general formula (1): ##STR1## wherein R2 and R3 mean individually an alkyl or alkenyl group which may have --OH and has 1-24 carbon atoms, A denot...
09/01/1998
5792876Process for producing acetals
A process is described for producing acetals comprising reacting an aldehyde or a ketone with an alcohol in the presence of a titanium compound having an acetylacetone as a ligand, or in the presence of a compound selected from the group consisting of sta...
08/11/1998
5731467Process for the manufacture of xylaric acid and uses thereof
Process for the manufacture of xylaric acid, characterized in that it consists of the oxidative degradation of 5-ketogluconic acid in alkaline medium using oxygen or a gas containing it. The xylaric acid obtained is of use as a calcium-chelating agent or as a ...
03/24/1998
5705522Compounds having anti-inflammatory and anti-viral activity, compositions of these, alone and in combination with reverse transcriptase inhibitors
A new family of compounds having anti-inflammatory, anti-viral, and brocho-dilating activity having the following linear and cyclic formulas: ##STR1## and compositions of these, which alone, and in combination with reverse transcriptase inhibitors th...
01/06/1998
5599977Oxidation process
Rapid temperature rises which characterize carbohydrate-nitric acid oxidation reactions used to form carbohydrate-derived acids may be moderated and temperature control readily maintained by blowing a gas such as air, oxygen, nitrogen or the like into the...
02/04/1997
5557012Fluorination of acetals, ketals and orthoesters
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoroether polymers that can be prepared by fluorinating polymers made by the polymerization of acetals, ketals, polyacetals, polyketals and orthoesters with elemental fluorine....
09/17/1996
5543567Fluorination of acetals, ketals and orthoesters
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoroether polymers that can be prepared by fluorinating polymers made by the polymerization of acetals, ketals, polyacetals, polyketals and orthoesters with elemental fluorine....
08/06/1996
5541037Anti-reflective material and patterning method
The invention provides an anti-reflective material comprising a salt of a carboxyl-terminated fluorinated alkyl polyether compound with a water-soluble amino compound. A resist pattern is defined by forming anti-reflective layer of the anti-reflective mat...
07/30/1996
5491261Poly-perfluoroalkyl-substituted alcohols and acids, and derivatives thereof
Di-, tri- and poly-perfluoroalkyl-substituted alcohols and acids and derivatives thereof are described which are prepared from perfluoroalkyl iodides and di-, tri- or polyallyl alcohols or acids. These compounds contain two or more perfluoroalkyl-iodoalky...
02/13/1996
5405601Functionalized tripodal ligands for imaging applications
The present invention provides new and structurally diverse compositions for diagnostic imaging comprising compounds of the general formula: ##STR1## wherein A is N or CR1, R1 is hydrogen, C1 -C8 alkyl, or ...
04/11/1995
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