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Class 560/146 - Polycarboxylic acid


Subclass of Class 560 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid radical contains more than one
No. of patents: 72
Last issue date: 05/15/2012


1    
NumberTitleIssue Date
8178713Sulfur-containing phospholipid derivatives
The present invention provides a lipid compound comprising at least one non-polar moiety and a polar moiety, wherein each or at least one non-polar moiety is of the formula X—Y—Z—, wherein X is a hydrocarbyl chain, Y is selected from at least one of S, Se, SO
05/15/2012
8148569Guerbet citrate polyesters
The present invention has as its objective a series of citrate polyesters that have based upon guerbet alcohols reacted with citric acid, and crosslinked by diols. These polymers have a very low viscosity when one considers the molecular weight, and are ideally suit...
04/03/2012
6878845Oligomers from multifunctional acrylates
Oligomers from multifunctional acrylates and organonitro compounds are provided. Films obtained from crosslinked oligomers of the present invention are useful as protective or decorative coatings as well as components in adhesives and composites. ...
04/12/2005
6670512Substituted tetraarylethylene compounds
The present invention seeks to provide novel tetraarylethylene compounds which are substituted on the aryl rings ortho to the ethylenic carbon atoms and processes for the preparation for such compounds. The compounds have potential use as molecular templa...
12/30/2003
6444841Hydroquinone diester derivatives and the method for producing the same
A highly pure hydroquinone dietser derivative can be produced from the reaction product of ketoisophorone with an acylating agent in a high yield by a simple and easy operation. In the presence of an acid catalyst, a cyclohex-2-ene-1,4-dione derivative sh...
09/03/2002
6423816Polyester polyols and their use as a binder component in two-component polyurethane coating compositions
The present invention relates to polyester polyols having a hydroxyl number of 60 to 400, which are esterification products of a) an alcohol component containing one or more aliphatic or cycloaliphatic alcohols having at least 3 hydroxyl groups and 3 to 8 carb...
07/23/2002
6359166Oxalate ester blocked phenols
In one aspect, the invention provides curable fluoropolymer compositions comprising fluoropolymer, onium, and alkyl or aryl oxalate-blocked compound as a crosslinking agent. In other aspects, the invention provides methods of making curable fluoropolymer ...
03/19/2002
6066757Stilbene compound and process for producing same
A stilbene compound is disclosed which has the following general formula (I): ##STR1## wherein R1 and R2 each stand for hydrogen, an alkyl group or an acyl group and Ar1 and Ar2 each stand for a monovalent ...
05/23/2000
6018072Process for producing a diaryl oxalate
The present invention relates to a process for producing a diaryl oxalate, characterized in that an alkylaryl oxalate is subjected to a disproportionation reaction in the presence of a disproportionation catalyst, thereby to produce a diaryl oxalate while...
01/25/2000
6013731Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production
Stabilizer precursors and preformed stabilizers having induced unsaturation, and prepared from low intrinsic unsaturation-containing polyoxyalkylene polyether polyols may be used to form polymer polyols of higher solids content, lower viscosity, and super...
01/11/2000
5985927Medicaments for the selective treatment of tumor tissues
Medicinal products for the selective control of tumor tissue and a method for control of such tumor tissue by administration of such product to a host. The products comprise: (a) two different compounds having a pH below 7 when the compounds are present i...
11/16/1999
5955628Trimethylcatechol diester and a method for producing the same
This method provides a novel trimethylcatechol diester, i.e. 3,4,5-trimethylcatechol diester, at a high yield by reacting 2,6,6-trimethylcyclohexe-2-en-1,4-dione with an acylating agent in the presence of an acid catalyst. The acylating agent includes a C...
09/21/1999
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
5821382Method for manufacturing thiol compounds
In order to manufacture a thiol compound by causing reaction between an unsaturated compound and hydrogen sulfide, the unsaturated compound and the thiol compound being expressed by following formulas (1) and (2), respectively: CH2 .dbd.CR...
10/13/1998
5811573Process for producing a diaryl carnonate
A diaryl carbonate with a high degree of purity is produced at a high yield by (A) subjecting (a) a diaryl oxalate and a phenol compound or (b) an alkylaryl oxalate to transesterification reaction in one or two stages in the presence of a catalyst to prep...
09/22/1998
5705677Diphenyl oxalate-phenol adduct, process for producing the adduct and method of producing diphenyl oxalate from the adduct
A novel crystalline adduct of diphenyl oxalate and phenol in a molar ratio of 1:2 and having a high purity is produced by melting a mixture containing diphenyl oxalate and phenol at a temperature of 100° C. or more; cooling the melt to a temperature of l...
01/06/1998
5667901Crosslinkers based on 2-acetylglutarate esters of polyols
Provided are various 2-acetylglutarate esters of polyols which are useful as poller crosslinkers for use in thermosetting coating compositions, as well as methods of preparation of these materials. In particular, the invention provides crosslinkers of the...
09/16/1997
5597390Amine ester-containing additives and methods of making and using same
A di- or tri-ester polyether unsaturated acid amine reaction product effective as a fuel additive for reducing intake valve deposits and octane requirement increase, as well as controlling combustion chamber deposits, in gasoline engines is disclosed toge...
01/28/1997
5563290Method for preparing optically active succinic acid compound
A method for preparing an optically active succinic acid compound involves hydrogenating an itaconic acid compound in the presence of a rhodium compound and a 2,2"-bis(1-(hydrocarbon residue-substituted) phosphine-substituted alkyl)-1,1"-biferrocene compo...
10/08/1996
5563129Hydroquinone derivatives and intermediates for production thereof
There are disclosed novel hydroquinone derivatives of the formula: ##STR1## The derivatives of the formula (I) have various pharmacological activities such as antioxidation in living bodies and are useful as medicaments....
10/08/1996
5466863Thermosetting coating compositions
Provided are 3-oxoadipate esters of certain polyols which are useful as crosslinkers in thermosetting coating compositions. Also provided are such thermosetting compositions comprised of a curable hydroxyl-functional polymer such as a polyester or acrylic...
11/14/1995
5412151Thermosetting coating compositions
Provided are 3-oxoadipate esters of certain polyols which are useful as crosslinkers in thermosetting coating compositions. Also provided are such thermosetting compositions comprised of a curable hydroxyl-functional polymer such as a polyester or acrylic...
05/02/1995
5385902Iodopropargylated oxalic derivatives as antimicrobial agents
Antimicrobial compounds of the formula ##STR1## wherein A is selected from the group consisting of alkyl; phenyl; alkoxy; phenoxy; benzyloxy; monoalkylamino; dialkylamino; cyclic amino, anilino; heterocyclic; amino substituted with heterocyclic ring,...
01/31/1995
5296003Polyesters of poly(oxyalkylene) hydroxyaromatic ethers
Poly(oxyalkylene) hydroxyaromatic ethers having the formula: ##STR1## or a fuel-soluble salt thereof; where n is an integer from 5 to 100; x is an integer from 0 to 10; R1 and R2 are each independently hydrogen, hydroxy, lower a...
03/22/1994
52141972,4-dihydroxyadipic acid derivative
A novel 2,4-dihydroxyadipic acid derivative of the formula: ##STR1## wherein R1 and R4 are the same or different and each a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or a silyl group, and R2 and R...
05/25/1993
5176914Fungicidal carbocyclic anilide carbamates
Fungicidal carbocyclic anilide carbamates of the formula ##STR1## in which X represents optionally alkyl-substituted cycloalkyl or optionally alkyl-substituted cycloalkenyl, Hal represents halogen, and Y1, Y2 and Y3 indepe...
01/05/1993
5078907Unsymmetrical dicarboxylic esters as bleach precursors
A bleach precursor compound, its peroxygen derivative, and detergent compositions containing these materials are disclosed herein. The bleach precursors structurally comprise a pair of different diesters, one ester containing an electrically-charged funct...
01/07/1992
4959391Phenol derivatives, pharmaceutical compositions containing these compounds and processes for the preparation of these compounds and compositions
Phenol derivatives of the formula ##STR1## wherein A and B have the same or different meanings and each represent one of the groups --C.tbd.C--, cis--CH.dbd.CH-- or trans--CH.dbd.CH--, R1 is hydrogen, an optionally substituted alkyl or phe...
09/25/1990
4918213Optically active compound and liquid crystal composition containing same
An optically active, generally mesomorphic compound represented by the following formula (I): ##STR1## wherein R1 denotes an alkyl group having 1-18 carbon atoms, R2 denotes an alkyl group having 1-12 carbon atoms; X denotes a s...
04/17/1990
4894181Carbocyclic compounds
Carbocyclic compounds of the formula I ##STR1## wherein Q is a benzene or cyclohexane ring or a naphthalene system, X is in each case --CH2 --(CH2)p -- where it is also possible for one or two non-adjacent CH2
01/16/1990
4847376Lipase substrates
The present invention provides a lipase substrate of the general formula: ##STR1## wherein A is an alkylene or alkenylene radical containing up to 16 carbon atoms, R and R1, which can be the same or different, each signify an alkyl, alkeny...
07/11/1989
4772745Polymer-reactive photosensitive anthracenes
Photosensitive anthracene compounds containing two anthracene rings joined by a flexible linkage, and containing a functional group as an annular substituent on one of the anthracene rings, react with polymers to form materials useful in information proce...
09/20/1988
4760087Phenol derivatives and pharmaceutical compositions containing these compounds
Phenol derivatives of the formula ##STR1## wherein A and B have the same or different meanings and each represent one of the groups --C.tbd.C--, cis--CH.dbd.CH-- or trans--CH.dbd.CH--, R1 is hydrogen, an optionally substituted alkyl or phe...
07/26/1988
4739079Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
Compounds having the formula ##STR1## wherein ##STR2## R1 is hydrogen, benzyl or alkanoyl, X is C2-4 alkylene; and Z-W is alkyl, phenylalkyl or pyridylalkyl which can have an oxygen atom as part of the alkyl chain and their...
04/19/1988
4684737Process for producing substituted phthalic acid compounds
A process for producing a substituted phthalic acid which comprises heating a substituted tetrahydrophthalic acid compound having a substituent in at least one of the 3-, 4-, 5- and 6-positions in the presence of sulfur to dehydrogenate it, and heat-treat...
08/04/1987
4632785Thermally activable trimerization catalyst
Disclosed is a method for the trimerization of organic isocyanates comprising thermally activating, in the presence of said isocyanates, a catalyst comprising a carboxylic acid salt selected from the alkali metal salts or quaternary ammonium salts of part...
12/30/1986
4612386Process for making esters
Carboxylic acid esters are produced by the reaction of a carboxylic acid halide with a carbonate ester in the presence of an initiator. The reaction of a dicarboxylic acid dihalide and a bis(alkyl carbonate) ester produces a polymeric polyester....
09/16/1986
4582855Aromatic and esters of hydroxypropylamines
Novel compounds of the general formula ##STR1## wherein Ar represents a substituted or unsubstituted aromatic or heterocyclic group; W represents alkylene of from 1 to about 10 carbon atoms; and B represents --NR2 COR1, --NR
04/15/1986
4547582Method of producing herbicide intermediates
A method of producing alkyl 3-hydroxy-4-(4-hydroxyphenoxy)pentanoate which comprises the steps of: (a) reacting 4-benzyloxyphenol with an alkali hydroxide and 2-chloropropionic acid in the presence of a suitable solvent and at a temperature sufficient to ...
10/15/1985
4521614Carbonylation of monoolefins
Esters, e.g., alkyl adipates, are facilely prepared by carbonylation among an alcohol, carbon monoxide and a monoolefin, e.g., an alkyl pentenoate, in the presence of a catalytically effective amount of cobalt and a tertiary nitrogen base, and optionally ...
06/04/1985
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