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Class 568/46 - Polyhydroxy


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain two or more -OH groups.
No. of patents: 113
Last issue date: 12/29/2009


1      
NumberTitleIssue Date
7638655Method for producting 4-(methylthio)butane-1,2-diol
A method for producing 4-(methylthio)butane-1,2-diol which comprises reacting 3-butene-1,2-diol with methanethiol in the presence of at least one nitrogen-containing compound selected from a nitrogen-containing aromatic compound and a tertiary amine compound and a c...
12/29/2009
7485757Method for Producing 4-(Methylthio) Butane-1,2-Diol
A method for producing 4-(methylthio)butane-1,2-diol which comprises reacting 3-butene-1,2-diol with methanethiol in the presence of an azo compound such as an azonitrile compound, an azoester compound, an azoamidine compound and an azoimidazoline compound. ...
02/03/2009
7169858Polyfluorinated compounds useful as surfactants, foam control agents and/or rheology modifiers
Reaction products prepared by processes which comprise reacting: A) at least one compound having the general formula I: R1(X)3  (I) wherein each X group independently represents a halog...
01/30/2007
7056967Stabilized medium and high voltage cable insulation composition
The invention relates to a polyethylene composition for use as insulation for wire and cable that has improved scorch resistance comprising (a) a polyethylene (b) a scorch inhibitor having a melting point below 50Â...
06/06/2006
7029759Halogen-containing vinyl polymer compositions
The invention provides a film that includes chloride-containing vinyl polymer and a stabilizer component, wherein the film has a 96-hour Volatile Organic Compound Emission Factor of no more than 1,000 μg/m2/hour. The invention also provides a film that i...
04/18/2006
6974553Polythiaether compounds and their use as corrosion inhibitors
The corrosion of metals in contact with aqueous alkanolamine solutions in acid gas removal units is inhibited by adding to the alkanolamine solution a corrosion inhibiting amount of a polythiaether compound. ...
12/13/2005
66391115-thia-ω-(substituted phenyl)-prostaglandin E alcohols, process for preparing the alcohols and pharmaceutical preparations containing the same as the active ingredient
A 5-thia-ω-substituted phenyl-prostaglandin E alcohol of the formula (I) ##STR1## (wherein, all the symbols are the same meanings as defined in the specification), a process for producing it and a pharmaceutical composition comprising it as an activ...
10/28/2003
6472570Method for the asymmetric dihydroxylation of olefins, using osmium catalysts
This invention relates to process for asymmetric dihydroxylation of olefins using osmium catalysts to obtain monofunctional, bifunctional, and/or polyfunctional chiral 1,2-diols of the formula (I) R1 R2 C(OH)--C(OH)R3 R4
10/29/2002
6379590Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications
A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se...
04/30/2002
6326519Diallylic sulfides and processes for preparing the same
Diallylic sulfides represented by Formula I ##STR1## wherein: R1 and R2 are independently chosen from the group consisting of --CHO, --CH2 Cl, --CH2 Br, --CH2 I, --CH2 OH, CH2 OS...
12/04/2001
6326518Latent mercaptans as multi-functional additives for halogen-containing polymer compositions
Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the...
12/04/2001
6288242Processes and intermediates for preparing substituted chromanol derivatives
The invention relates to processes for preparing a compound of the formula ##STR1## and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R1, R2, and R3
09/11/2001
6204297Nonionic gemini surfactants
Novel nonionic gemini surfactants are extremely effective emulsifiers for oil-in-water emulsions that provide improved detergency at even low concentration levels. The surfactants are characterized by the formula: ##STR1## wherein R1 is indepen...
03/20/2001
5801290Process for making poly(thioether ether)s from diallyl ether and dithiols
Processes for making poly(thioether ether)s and hydroxy-terminated poly(thioether ether)s are disclosed. The poly(thioether ether)s are made by bulk free-radical polymerization of diallyl ether and an aliphatic C2 -C10 dithiol. Liqui...
09/01/1998
5741884Process for making poly(thioether ether)s from diallyl ether and dithiols
Processes for making poly(thioether ether)s and hydroxy-terminated poly(thioether ether)s are disclosed. The poly(thioether ether)s are made by bulk free-radical polymerization of diallyl ether and an aliphatic C2 -C10 dithiol. Liqui...
04/21/1998
5639903Sulfonium salt compounds and initiators of polymerization
The present invention is related to sulfonium salt compounds useful as an initiator of cationic polymerization and represented by a following general formula (I): ##STR1## wherein R1 is benzyl, phenyl, etc., R2, R3 an...
06/17/1997
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
5488180Complex hydrophobe compounds
This invention relates to complex hydrophobe compounds and to alkoxylation products, i.e., condensation reaction products of alkylene oxides and complex hydrophobe compounds having at least one active hydrogen. This invention also relates to alkoxylation ...
01/30/1996
5459165Fluorine-containing, polyglycerolated amphiphilic sulphur compounds, cosmetic or pharmaceutical composition containing them, preparation process and vesicles formed
The present invention relates to compounds of formula (I) ##STR1## in which: Rf denotes a linear or branched C6 to C20 perfluoroalkyl radical or a mixture of linear or branched C4 to C20 perfluor...
10/17/1995
5446186Structure and synthesis of nitrophenyl-EGTA, a caged calcium, intermediates thereof and a method of producing a high photochemical yield of liberated calcium
The synthesis and compound of a new caged calcium which is an ortho-nitrophenyl derivative of EGTA and various intermediates. It is synthesized in ten steps and 24% overall yield. The photosensitive chelator, nitrophenyl-EGTA, has a Kd for Ca
08/29/1995
5427701Substituted phenols as stabilizers
Novel compositions are described which comprises an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1...
06/27/1995
5393776Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia
This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for atherosclerosis. Also provided are pharmaceutical compositions and a met...
02/28/1995
5376290Substituted phenols as stabilizers
Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1....
12/27/1994
5321046Hypocholesterolemic unsymmetrical dithiol ketals
Disclosed herein are novel unsymmetrical dithiol ketals which are useful in the treatment or prevention of hypercholesterolemia, hyperlipoproteinemia, and atherosclerosis....
06/14/1994
5214069Alcohol and ether derivatives
The invention concerns a compound of the formula I, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; A1 is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene; Ar2 is optionally subs...
05/25/1993
5162585Preparation of dihydroxy bis-sulfides
A process for preparing a dihydroxy bis-sulfide is disclosed, wherein a thiolate salt, a dihaloalkane, an ether solvent that is partially soluble in water and is substantially nonreactive with either said thiolate salt or said dehaloalkane; and water are ...
11/10/1992
5145992Process and preparation of ଱-alkoxy acetic acids and their salts
A process for producing an ଱-alkoxy acetic acids and salts thereof which comprises reacting an alcohol of the formula ##STR1## wherein R1, R2 and R3 can be hydrogen, alkyl, alkoxy, halo, phenyl, substituted phen...
09/08/1992
5126486Phenolic compounds
A phenolic compound having formula (I): ##STR1## wherein X represents a chlorine atom or a methyl group, and a recording material comprising a coloress or light-colored leuco dye and the above phenolic compound serving as a color developer for the le...
06/30/1992
5126493Alkoxylation of active hydrogen compounds
Alkoxylates of active hydrogen compounds having a peaked molecular weight distribution are prepared by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms using iron oxides as alkoxylation catalysts....
06/30/1992
5059723Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts
This invention relates to the use of triorganophosphine compounds as catalyst for the reaction of phenols or thiophenols with cyclic organic carbonates....
10/22/1991
5008459Substituted phenols as stabilizers
Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1....
04/16/1991
4963535Nonirritant cosmetic compositions containing a foaming surfactant and a nonionic surfactant containing two fatty chains
Cosmetic compositions for cleaning hair, the skin or for removing make-up from the face or from the eyes, containing (a) a foaming surface-active agent, (b) an aqueous, hydroalcoholic or oily carrier and (c) a nonfoaming, nonionic product, poorly soluble ...
10/16/1990
4962237Catalytic process for the preparation of polyols
A catalytic process for polymerizing epoxides using active hydrogen initiators forming polyols having low unsaturation levels and high primary hydroxyl levels. The catalysts useful in this process are prepared from catalyst precursors exemplified by hydro...
10/09/1990
4960940Bis(hydroxyethylsulfonylmethyl)anilines and a process for their preparation
A process for the preparation of compounds of the formula ##STR1## in which the side chains --CH2 --SO2 --CH2 --CH2 --OH are in the ortho-, meta- or para-position relative to one another and the amino group...
10/02/1990
4946992Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
Heteroatom containing perfluoroalkyl terminated neopentyl glycols of the formulas HO[--CH2 C(CH2 X--E--Rf)2 CH2 O]1-3 --H or HO[--CH2 C(CH2 X--Rf)2 CH...
08/07/1990
4898981Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
Heteroatom containing perfluoroalkyl terminated neopentyl glycols of the formula HO[--CH2 C(CH2 X--E--Rf)2 CH2 O]1-3 --H prepared from halogenated neopentyl glycols and thiols of the formula ...
02/06/1990
4894109Method and apparatus for tacking together the copies of multicopy forms
A method and apparatus for tacking together multipage forms having pin holes with the use of adhesive tacking tape....
01/16/1990
4857572Substituted phenols as stabilizers
Novel compositions are described which contain an elastomer or a tackifying resin and at least one compound of formula I ##STR1## The symbols R1 is alkyl or cycloalkyl, R2 is alkyl, hydroxyalkyl, phenyl or benzyl, and R3
08/15/1989
4845119Alkene, alkyne or cycloalkylene derivatives
A compound of the formula ##STR1## wherein X has the formula --CR5 .dbd.CR6 --, --C.tbd.C-- or ##STR2## wherein ring A is phenyl, naphthyl or heterocyclic; wherein R1 is hydrogen, alkyl, alkanoyl or aroyl; wherei...
07/04/1989
4835310Reaction products of bisglycidyl thioethers
1. Compounds of the formula I ##STR1## in which n is a number from 1 to 100, Y is --N(R3)--, --S-- or --S--R4 --S--, R1 is C2 -C8 -alkylene, which can be interrupted by 1 to 3 ether oxygen atoms,...
05/30/1989
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