Aromatic Alcohol Moiety Patents (Class 560/221)
-
Patent number: 5286747Abstract: Compounds of the formula ##STR1## wherein R.sup.3 and the NR.sup.1 R.sup.2 group are in a cis-position to each other and wherein Y is OH, R.sup.4 COO, (R.sup.5).sub.2 NCOO or R.sup.6 O either in position 5 or position 7, whereby R.sup.4 is an alkyl group having 1-5 carbon atoms or a possibly substituted phenyl group, R.sup.5 is an alkyl group having 1-5 carbon atoms and R.sup.6 is an allyl or benzyl group, R.sup.1 is hydrogen or an alkyl group having 1-3 carbon atoms, R.sup.2 is an alkyl group having 1-6 carbon atoms, a phenylalkyl- or m-hydroxyphenylalkyl group with 2-4 carbon atoms in the alkyl part, or an alkenyl group with 3-6 carbon atoms other than 1-alkenyl, and R.sup.3 is an alkyl group having 1-3 carbon atoms, processes and intermediates for their preparation, pharmaceutical preparations and methods of treatment employing such compounds. The compounds are useful for therapeutic purposes, especially for treatment of disorders in the central nervous system.Type: GrantFiled: September 29, 1989Date of Patent: February 15, 1994Assignee: Per A. E. CarlssonInventors: Folke L. Arvidsson, Per A. E. Carlsson, Uli A. Hacksell, John S. M. Hjorth, Anette M. Johansson, Per L. Lindberg, John L. G. Nilsson, Domingo Sanchez, H.ang.kan V. Wikstrom
-
Patent number: 5281645Abstract: The present invention relates to new hydroxybenzophenones containing an ester functional group and to the use of these compounds as UV absorbers in organic polymers. More precisely, the new hydroxybenzophenones are 1,3-di(4-benzoyl-3-hydroxyphenoxy)-2-propanol carboxylates which preferably have a molecular mass of at least 500.These benzophenones can be employed as anti-UV agents in organic polymers, either by themselves or jointly with known benzophenones of lower molecular mass, such as 2-hydroxy-4-alkoxybenzophenones.Type: GrantFiled: July 24, 1992Date of Patent: January 25, 1994Assignee: Rhone-Poulenc ChimieInventors: Philippe Chicart, Michel Gay
-
Patent number: 5248810Abstract: This are described new halogenated olefines of general formula I ##STR1## in which X.sub.1, X.sub.2, X.sub.3, n and A have the meanings given in the description as well as processes for their preparation. The compounds can be used as pesticides especially against insects and acarids.Type: GrantFiled: December 13, 1990Date of Patent: September 28, 1993Assignee: Schering AktiengesellschaftInventors: Arnim Kohn, Gunter Homberger, Hartmut Joppien, Harald von Keyserlingk
-
Patent number: 5235096Abstract: A hydroxybenzenesulfone compound represented by the following formula (I): ##STR1## wherein all symbol are defined in the specification, and a process for producing the compound is disclosed. Further, a process for producing a hydroxybenzenesulfone compound having an alcoholic hydroxyl group and represented by the following formula (III): ##STR2## wherein all symbols are defined in the specification, comprising the step of oxidizing a hydroxyalkylthiophenol compound having an alcoholic hydroxyl group is disclosed. Furthermore a process for producing a compound represented by the following formula (IV): ##STR3## wherein all symbols are defined in the specification, comprising the step of reacting a hydroxyalkylthiophenol compound with an acrylic acid halide or a methacrylic halide in a polar solvent is disclosed.Type: GrantFiled: March 13, 1992Date of Patent: August 10, 1993Assignee: Fuji Photo Film Co., Ltd.Inventors: Yuuichi Fukushige, Masato Satomura
-
Patent number: 5198570Abstract: Highly fluorinated aryloxyfluoroether esters, acids and alcohols, which are intermediates in the production of vinyl monomers, are provided. Also provided is a process for making aryloxyfluoroether esters by the base catalyzed addition of hydroxyaromatic compounds to perfluorovinylether esters.Type: GrantFiled: January 31, 1990Date of Patent: March 30, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Andrew E. Feiring
-
Patent number: 5196296Abstract: Epoxy acrylate resins of this invention having a structure of the general formula (I) ##STR1## in which R is hydrogen or a lower alkyl group, R' is hydrogen or methyl group, and n is an integer from 0 to 20 are heat-resistant, solvent-soluble, and photosensitive and photosensitive resin compositions containing said epoxy acrylate resins as main component exhibit high photosensitivity in addition to strong adhesion to substrates, good resistance to heat and chemicals, and good mechanical and electrical properties and are useful as materials for forming insulation films for multilayer devices and protective films for image sensors and as protective films for solder resists, plating resists, and color filters.Type: GrantFiled: July 26, 1990Date of Patent: March 23, 1993Assignees: Nippon Steel Corporation, Nippon Steel Chemical Co., Ltd.Inventors: Kazuhiro Watanabe, Takero Teramoto
-
Patent number: 5189204Abstract: 3-(2-Trifluoro-1-hydroxyethyl)propenyl benzyl ether or derivatives thereof having the formula ##STR1## wherein R is a substituted or not substituted phenyl group and a mark * shows an asymmetric carbon atom, and derivatives thereof are provided, which are useful as a material for preparing liquid crystal compound.Type: GrantFiled: June 25, 1991Date of Patent: February 23, 1993Assignee: Showa Shell Sekiyu Kabushiki KaishaInventors: Tomoya Kitazumo, Takashi Yamazaki, Hitoshi Iwatsubo
-
Patent number: 5169980Abstract: This process for the manufacture of benzyl methacrylate and of its halogenated or alkylated derviatives by the reaction of benzyl chloride or of one of its halogenated or alkylated derivatives with an alkali metal methacrylate is characterized in that the reaction is carried out in the presence of not more than 3 mol %, based on the benzyl chloride or a derivative, of a tertiary amine. The alkali metal is chosen especially from lithium, potassium and sodium. The tertiary amine is preferably a tertiary diamine of general formula: ##STR1## in which n is an integer ranging from 1 to 10 and R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, are alkyl, cycloalkyl or aryl radicals containing from 1 to 12 carbon atoms, functionalized if appropriate and, if appropriate, such that they form a heterocyclic ring with the nitrogen atom(s) carrying them.Type: GrantFiled: May 3, 1991Date of Patent: December 8, 1992Assignee: Elf Atochem S.A.Inventors: Didier Vanhoye, Paul Grosius, Patrice Hurtel
-
Patent number: 5152916Abstract: Aqueous aldehyde solutions for trapping hydrogen sulfide comprising 5 to 50% by weight of an aldehyde and 1 to 5% by weight, relative to the aldehyde solution of a formulation comprising10 to 80% by weight of an ester of oxalkylated alkylalkylenediamines, which may be quaternized and 20 to 90% by weight of water or of a C.sub.1 -C.sub.4 -alcohol.Type: GrantFiled: August 21, 1990Date of Patent: October 6, 1992Assignee: Hoechst AktiengesellschaftInventors: Hermann Hoffmann, Frederic Mabire
-
Patent number: 5142010Abstract: An antimicrobial polymerizable compound and polymers resulting therefrom, the compound being ##STR1## wherein A is any polymerizable group; Q is phenylene; and R is --(CF.sub.2).sub.y CF.sub.3 wherein y=1-20, --(CH.sub.2).sub.x --O--C.sub.x H.sub.2x+1 wherein x=1-25, --(CH.sub.2 CH.sub.2 O).sub.n (CH.sub.2 CHCH.sub.3 O).sub.m (CH.sub.2 CH.sub.2 O).sub.p T wherein T=--H or any branched or unbranched C.sub.1-20 alkyl and n, m, and p=0-99 and m+n+p.gtoreq.1, --CHR'COOH wherein R' is H or any naturally occurring amino acid side chain, --(CH.sub.2).sub.x COOH, --(CH.sub.2).sub.x --(CH.sub.2 CH.sub.2 --O).sub.n --(CH.sub.2 CHCH.sub.3 O).sub.m (CH.sub.2 CH.sub.2 O).sub.p --CO--NH--CH.sub.2 --CH.dbd.CH.sub.2, --(CH.sub.2).sub.x --CO--NH--CH.sub.2 --CH.dbd.CH.sub.2, or --(CH.sub.2).sub.x --O--C--COH.dbd.CH.sub.2. The resulting polymers are useful in any variety of applications requiring an antimicrobial agent or an active sanitizer or disinfectant including caulks, mortars, films and coatings, adhesives and the like.Type: GrantFiled: May 10, 1990Date of Patent: August 25, 1992Assignee: H. B. Fuller Licensing & Financing Inc.Inventor: Alan D. Olstein
-
Patent number: 5132335Abstract: Acrylic and methacrylic esters of substituted 1,2-bis(phenoxy)-3,3,4,4,5,5-hexafluoro-1-cyclopentenes of the formula ##STR1## in which, in each case independently of one another, R.sup.1 and R.sup.2 denote C.sub.1 -to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -halogenoalkyl or hydrogen,R.sup.3 and R.sup.4 denote (n+1)- or (m+1)-valent, straight-chain or branched hydrocarbon radicals having 2 to 15 carbon atoms, which may optionally contain 1 to 3 oxygen bridges,R.sup.5 and R.sup.6 denote hydrogen or methyl,X represents ##STR2## and n and m denote integers from 1 to 5The ester can be polymerized to form dental fillings, coatings and artificial teeth.Type: GrantFiled: February 11, 1991Date of Patent: July 21, 1992Assignee: Bayer AktiengesellschaftInventors: Michael Muller, Wolfgang Podszun, Jens Winkel, Michael Negele
-
Patent number: 5117057Abstract: This invention relates to insecticidal compositions containing N'-substituted-N,N'-disubstitutedhydrazines, methods of using such compositions and N'-substituted-N, N'-disubstitutedhydrazines. Specifically, the invention relates to insect growth regulating compositions, and methods of using such compositions, which include compounds having a nucleus of the formula ##STR1## where A', B', D and J are independently any atom or group of atoms; where E is a tertiary carbon containing organic radical, a haloalkyl having a total of at least four carbon and halogen atoms but not more than six halogen atoms, or a non-tertiary carbon containing non-haloalkyl organic or organometallic radical having at least five atoms other than hydrogen, oxygen and halogen, and is attached to the nitrogen shown in the formula by a carbon-to-nitrogen single bond; where one G.sub.1 is C, N, O and S, and both G.sub.2 's and the other G.sub.1 are carbon; or one G.sub.2 is S or P, and both G.sub.1 's and the other G.sub.Type: GrantFiled: June 14, 1991Date of Patent: May 26, 1992Assignee: Rohm and Haas CompanyInventors: Adam C. Hsu, Harold E. Aller, Raymond A. Murphy, Dat P. Le, Donald W. Hamp, Barry Weinstein
-
Patent number: 5105010Abstract: Carbodiimide compounds having the following structural formula are claimed: ##STR1## Z being selected from the group consisting of the following moieties: ##STR2## wherein R.sub.1 represents an alkylidene radical;R.sub.2 represents hydrogen or an alkyl radical;R.sub.3 represents an alkyl radical, an aromatic hydrocarbon moiety or a cycloaliphatic hydrocarbon moiety or substituted derivatives thereof;R.sub.4 represents an aromatic hydrocarbon moiety;R.sub.5 represents an alkyl radical; andx is an integer ranging from 1 to 6.Polymers containing moieties of at least two such carbodiimide compounds depending therefrom are also claimed and are useful in the formulation of coating compositions which harden or cure at low temperatures.Type: GrantFiled: June 13, 1991Date of Patent: April 14, 1992Assignee: PPG Industries, Inc.Inventors: Padmanabhan Sundararaman, James A. Claar, Charles M. Kania
-
Patent number: 5087672Abstract: The present invention relates to novel fluorinated acrylate and methacrylate ester monomers and homopolymers and copolymers thereof. In another aspect, it relates to a process for preparing monomers of the invention. Homopolymers and copolymers of the invention have units which correspond to the following general chemical formula: ##STR1## wherein R is hydrogen, halo, a C.sub.1 to C.sub.4 alkyl or haloalkyl group, or a C.sub.6 to C.sub.10 aryl group,W is --O-- or --NR.sup.1 --, wherein R.sup.1 is hydrogen or a C.sub.1 to C.sub.4 alkyl group,X is a carbon-to-carbon single bond or a spacer group,Y is a mesogenic group, andZ is a fluorinated alkyl group.The novel monomers and polymers can be liquid crystals.Type: GrantFiled: June 13, 1990Date of Patent: February 11, 1992Assignee: Minnesota Mining and Manufacturing CompanyInventors: Stefan A. Babirad, Eugene P. Janulis, Nicholas A. Stacey, Cheryl L. S. Elsbernd
-
Patent number: 5072028Abstract: A process for the preparation of bromo-substituted aromatic esters of .alpha., .beta.-unsaturated acids of the formula ##STR1## wherein n is 1 or 2,x=6'n, andR and R' are hydrogen or alkyl;comprises reacting a salt of .alpha.,.beta.-unsaturated acid and an alkali with a bromo-substituted benzyl halide in an inert substantially water-immiscible solvent and in the presence of a phase-transfer catalyst.Type: GrantFiled: March 28, 1990Date of Patent: December 10, 1991Assignee: Bromine Compounds LimitedInventors: Theodor-Morel Fishler, Michael Peled, Leonard M. Shorr
-
Patent number: 5011978Abstract: A thickened aqueous copolymer solution useful for thickening and improving the properties of latex systems comprising a copolymer having as monomeric units: about 79-99 percent of a (meth)acrylic acid salt of sodium, potassium, or ammonium; about 0-20 percent of (meth)acrylic acid; about 0-20 percent of a lower alkyl ester of (meth)acrylic acid; about 1-21 percent of surfactant units selected from the urea reaction product of a monoethylenically unsaturated monoisocyanate with a nonionic surfactant having amine functionality; and about 0-1 percent of a copolymerizable polyethylenically unsatured monomer, said percentages being by weight based on the total weight of monomeric units in said copolymer.Type: GrantFiled: December 29, 1989Date of Patent: April 30, 1991Assignee: National Starch and Chemical Investment Holding CorporationInventors: Milagros C. Barron, Ronald L. Swope, John M. Wilkerson, III, Charles G. Ruffner
-
Patent number: 5008436Abstract: For filling and forming teeth, novel (meth)acrylic acid derivatives of triisocyanates of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and stand for hydrogen or a lower alkyl radical,R.sup.3, R.sup.4 and R.sup.5 are identical or different and denote hydrogen or methyl,Y.sup.1 to Y.sup.3 are identical or different and denote divalent straight-chain or branched hydrocarbon radicals of 2 to 15 carbon atoms which may optionally include 1 to 3 oxygen bridges and which may be unsubstituted or substituted by 1 to 4 additional (meth)acryloyloxy radicals,X.sup.1 to X.sup.3 are identical or different and denote --NR.sup.1 -- or --O--, at least one of the radicals X.sup.1 to X.sup.3 denoting --NR.sup.1 --, and the ringsA and B are identical or different and may be aromatic or saturated.Type: GrantFiled: May 1, 1990Date of Patent: April 16, 1991Assignee: Bayer AktiengesellschaftInventors: Michael Muller, Wolfgang Podszun, Jens Winkel
-
Patent number: 4997977Abstract: This invention provides multistep process embodiments for the production of novel esters which exhibit nonlinear optical response.A process embodiment is illustrated by the reaction of a Schiff base with a substituted acetic acid to form a stilbene alcohol intermediate: ##STR1## The stilbene alcohol intermediate is decarboxylated, and then is esterified in the presence of a pyridine type catalyst to provide an ester with a conjugated structure.Type: GrantFiled: September 11, 1989Date of Patent: March 5, 1991Assignee: Hoechst Celanese Corp.Inventors: Thomas M. Leslie, Bernice I. Feuer, Mark J. Sebastian
-
Patent number: 4997912Abstract: Fatty acid esters of oxalkylated alkylalkylenediamines, which may be quaternized:Esters of oxalkylated alkylalkylenediamines, which may be quaternized, of the formula ##STR1## where the individual symbols have the meaning given in the description, process for their production and their use as corrosion inhibitors, particularly in crude oil recovery plants and crude oil treatment plants.Type: GrantFiled: December 15, 1988Date of Patent: March 5, 1991Assignee: Hoechst AktiengesellschaftInventors: Herbert Wirtz, Hermann Hoffmann, Werner Ritschel, Manfred Hofinger, Michael Mitzlaff, Dietrich Wolter
-
Patent number: 4990650Abstract: 1. An aromatic derivative having the formula (I) or the salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, hydroxyl, a halogen atom, or OR.sup.3 wherein R.sup.3 is C.sub.1 -C.sub.10 alkyl; A-B represents a hydrocarbon moiety having 1 to 10 carbon atoms and containing at least one double bond or a sulfur- or oxygen-containing hydrocarbon moiety having 1 to 10 carbon atoms; n is an integer of 2 to 4; X represents a group ##STR2## and Y represents a hydrogen atom; alkyl having 1 to 5 carbon atoms which may be substituted with aryl; alkenyl having 2 to 5 carbon atoms which may be substituted with aryl or aryl substituted with at least one C.sub.1 -C.sub.5 alkoxy; aryl which may be substituted with at least one carboxy or C.sub.1 -C.sub.5 alkoxycarbonyl or C.sub.1 -C.sub.5 alkoxy; provided that, when R.sup.1 and R.sup.2 are both hydrogen, the moiety --A--B--(CH.sub.2).sub.n --X--Y does not represent ##STR3## wherein n=2 to 4 and R.sup.4 is hydrogen or C.sub.1 -C.sub.Type: GrantFiled: May 29, 1990Date of Patent: February 5, 1991Assignee: Teijin LimitedInventors: Atsuo Hazato, Seizi Kurozumi
-
Patent number: 4990653Abstract: A sulfur-containing acryl oligomer composition represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; R.sub.2 and R.sub.3 each represents an alkylene group having from 1 to 12 carbon atoms; R.sub.4 represents an alkylene group having from 1 to 12 carbon atoms, an oxydialkylene group having from 2 to 12 carbon atoms, or an aralkylene group having from 6 to 20 carbon atoms; X represents a chlorine, bromine or iodine atom; m represents 0 or an integer of from 1 to 4; and n represents an average degree of oligomerization of 10 or smaller.The oligomer composition provides on polymerization a cured product having a refractive indices of 1.60 or higher, excellent transparency, and optical uniformity and is therefore useful as a material for plastic lenses.Type: GrantFiled: March 30, 1989Date of Patent: February 5, 1991Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Seiichiro Hayakawa, Shoji Ichihara
-
Patent number: 4985198Abstract: A tooth-adhesive compound is expressed in terms of the following general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, andR.sub.2 may or may not be present; and if present, R.sub.2 is an alkylene group having 1 to 4 carbon atoms or a --CH.sub.2 --CH.sub.2).sub..eta. O--CH.sub.2 --CH.sub.2 -- group in which n=1 or 2, and a substituent containing R.sub.1 and R.sub.2 is located at the o-, m- or p-position with respect to the carboxyl group bonded to the phenyl group.Type: GrantFiled: March 7, 1989Date of Patent: January 15, 1991Assignee: G-C Dental Industrial Corp.Inventors: Tadashi Hirasawa, Ikuro Harashima
-
Patent number: 4963633Abstract: This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices.Type: GrantFiled: November 13, 1989Date of Patent: October 16, 1990Assignee: Hoechst Celanese Corp.Inventors: Ronald N. DeMartino, Anthony J. East, Gordon W. Calundann
-
Patent number: 4948819Abstract: A compound of general formula ##STR1## in which X.sup.- represents one equivalent of an anion; R.sup.5 represents a hydrogen atom or a methyl group; each R.sup.4 independently represents a methyl or ethyl group; and each of R.sup.1, R.sup.2 and R.sup.3 independently represents a hydrogen or halogen atom, an alkyl, alkoxy or alkylthio group having from 1 to 4 carbon atoms, an arylthio group or a group of formula ##STR2## in which R.sup.4, R.sup.5 and X have the meanings given above, are useful as water soluble co-polymerizable photoinitiators.Type: GrantFiled: February 27, 1989Date of Patent: August 14, 1990Assignee: Ward Blenkinsop & Company LimitedInventors: Peter N. Green, William A. Green
-
Patent number: 4929696Abstract: This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices.Type: GrantFiled: November 13, 1989Date of Patent: May 29, 1990Assignee: Hoechst Celanese Corp.Inventors: Ronald N. DeMartino, Anthony J. East, Gordon W. Calundann
-
Patent number: 4922004Abstract: The invention relates to copolymerizable photoinitiators of the general formula I ##STR1## in which R.sup.1 and R.sup.2 are each H, C.sub.1 -C.sub.6 -alkyl or phenyl,R.sup.3 is H, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkanoyl or the group Z,R.sup.4 is H, halogen, C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkoxy, C.sub.1 -C.sub.12 -alkylthioor the group --X[(CH.sub.2 --CH.sub.2 --O).sub.n --Z].sub.m andX os O, S or Nn is an integer from 0 to 4,m is the integer 1 for X=O and S or the integer 1 or 2 for X=N,Z is the group --CO--CR.dbd.CR'R"with R, R', R" each being H or CH.sub.3, always at least one of the R.sup.3 or R.sup.4 groups containing the group Z.Type: GrantFiled: September 29, 1986Date of Patent: May 1, 1990Assignee: Merck Patent Gesellschaft mit bescrankter HaftungInventors: Manfred Kohler, Jorg Ohngemach, Eike Poetsch
-
Patent number: 4922003Abstract: This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices.Type: GrantFiled: December 21, 1987Date of Patent: May 1, 1990Assignee: Hoechst Celanese Corp.Inventors: Ronald N. DeMartino, Anthony J. East, Gordon W. Calundann
-
Patent number: 4915875Abstract: Paramethyl-substituted hindered phenols are selectively oxidized by contacting with an oxidizing agent at elevated temperatures in the presence of a heterogeneous oxidative coupling catalyst. In the absence of an optional nucleophile the products comprise carbon-carbon oxidative coupling products. In the presence of a nucleophile, addition products result that may be further oxidized by continued exposure to the oxidizing agent to yield substituted p-hydroxybenzaldehydes.Type: GrantFiled: November 4, 1986Date of Patent: April 10, 1990Assignee: The Dow Chemical CompanyInventors: Timothy R. Diephouse, Robert M. Strom
-
Patent number: 4894181Abstract: Carbocyclic compounds of the formula I ##STR1## wherein Q is a benzene or cyclohexane ring or a naphthalene system, X is in each case --CH.sub.2 --(CH.sub.2).sub.p -- where it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by --O--, --S--, --CO--, --O--CO--, --CO--O-- or --CH.dbd.CH--,p is 0, 1 or 2,A.sup.1 and A.sup.2 independently of one another are each a 1,4-phenylene group which is unsubstituted or monosubstituted or polysubstituted by halogen atoms and/or CH.sub.3 groups and/or CN groups and in which it would also be possible for one or more CH groups to be replaced by N atoms, a 1,4-cyclohexylene group wherein it would also be possible for one or two non-adjacent CH.sub.2 groups to be replaced by --O-- and/or --S--, a piperidine-1,4-diyl group or a 1,4-bicyclo[2.2.2]octylene group,Z is --CO--O--, --O--CO--, --O--, --CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CHCN--CH.sub.2 --, --CH.sub.2 --CHCN--, --CH.dbd.CH--, --CH.dbd.N--, --N.dbd.CH--, --NO.Type: GrantFiled: May 16, 1988Date of Patent: January 16, 1990Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Klaus Praefcke, Bernd Kohne, Eike Poetsch
-
Patent number: 4874889Abstract: 3-Pentenoates are prepared by isomerization of 2-pentenoates to 3-pentenoates by a process in which the 2-pentenoate is treaated with from 0.01 to 0.5 mole of cyclic tertiary amine having a pK.sub.a of >6 per mole of 2-pentenoate at from 50.degree. to 250.degree. C. and the 3-pentenoate is distilled off continuously.Type: GrantFiled: November 18, 1987Date of Patent: October 17, 1989Assignee: BASF AktiengesellschaftInventors: Rolf Fischer, Franz Merger, Hans-Juergen Gosch
-
Patent number: 4853151Abstract: Dispirotetradecanes of the formula I ##STR1## wherein R.sup.1 and R.sup.2 are each independently of each other alkyl containing 1 to 12 carbon atoms wherein one or more non-adjacent CH.sub.2 groups may also be replaced by --O--, --CO--, --CO--O--, --O--CO--, --O--COO-- and/or --CH.dbd.CH-- (trans), one of the radicals R.sup.1 and R.sup.2 also being H, F, Cl, Br, I, CN, NO.sub.2, NCS,A.sup.1 and A.sup.2 are each independently of each other trans-1,4-cyclohexylene wherein one or two non-adjacent CH.sub.2 groups may be replaced by --O-- and/or --S--, or 1,4-phenylene wherein one or more CH groups may also be replaced by N, with it also being possible optionally for A.sup.1 and A.sup.2 to be substituted laterally or axially by F, Cl, CN, CH.sub.3,Z.sup.1 and Z.sup.2 are each independently of each other --C--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 -- or a single bond,m and n are each 0, 1 or 2,(m+n) 0, 1 or 2,X.sup.1, X.sup.2, X.sup.3 and X.sup.Type: GrantFiled: August 11, 1987Date of Patent: August 1, 1989Assignee: Merck Patent Gesellschaft Mit Beschrankfter HaftungInventors: Fritz Vogtle, Wolfgang Calaminus
-
Patent number: 4824892Abstract: Benzophenone derivatives having at least one hydroxyl group in the ortho-position relative to the carbonyl group are used for stabilizing numerous substrates against the action of UV light. 1,3-bis-(4-Benzoyl-3-hydroxyphenoxy)-2-propanol is a photo-absorber containing two benzophenone groups. Particularly suitable stabilizers are esters of this substituted propanol with unsaturated carboxylic acids, for example esters of acrylic acid and methacrylic acid. These compounds are prepared by esterifying the substituted propanol with an unsaturated acid or by esterifying the substituted propanol with a saturated acid containing a reactive methylene group and subjecting the product to subsequent condensation with a keto compound. They can be polymerized and are suitable for the preparation of homopolymers and copolymers.Type: GrantFiled: December 15, 1987Date of Patent: April 25, 1989Assignee: Riedel-de Haen AktiengesellschaftInventors: Kurt Eiglmeier, Joachim Schulz
-
Patent number: 4780542Abstract: The invention relates to the preparation of an ester or an amide from an anhydride with an alcohol or an amine, wherein the anhydride is first prepared by reacting an acid and an alkyl chloroformate in a 100% aqueous medium, that is, 100% water.Type: GrantFiled: September 26, 1983Date of Patent: October 25, 1988Assignee: Montefiore Medical CenterInventor: Iraj Lalezari
-
Patent number: 4778915Abstract: The invention relates to fluoroacrylic monomers of formula: ##STR1## in which R.sub.f denotes a perfluoroalkyl radical, R is hydrogen or a methyl radical, R' denotes an alkyl or cycloalkyl radical, or --NR'-- denotes a 1, 4-piperazinylene radical, W and Z denote divalent connecting groups, Q is oxygen or sulphur or an --NR"-- group, R" denoting hydrogen an alkyl radical, and A is a C.sub.2 or C.sub.3 alkylene group. The polymers (homo- or copolymers) derived from these monomers may be used for the water-repellency and oil-repellency treatment of various substrates, particularly leather.Type: GrantFiled: October 16, 1986Date of Patent: October 18, 1988Assignee: AtochemInventors: Marie-Jose Lina, Andre Dessaint
-
Patent number: 4774356Abstract: Polypropylene oxide having unsaturated end groups is prepared by polymerizing alkylene oxide in the presence of a complex catalyst prepared by reacting an organoaluminum compound with a porphyrin compound and an active hydrogen-containing compound and converting at least one hydroxyl end groups into an unsaturated end group(s), the prepared polymer having a narrow distribution of molecular weight.Type: GrantFiled: March 24, 1986Date of Patent: September 27, 1988Assignee: Kanegafuchi Chemical Industry Co., Ltd.Inventors: Shohei Inoue, Takuzo Aida, Michihide Honma, Katsuhiko Isayama
-
Patent number: 4752338Abstract: (Meth)-acrylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2 are each independently hydrogen, chlorine, fluorine or a C.sub.1 - to C.sub.4 -alkyl radical andR.sup.3 and R.sup.4 are identical or different and represent the group ##STR2## wherein Y is a divalent bridge member from the group ##STR3## and Z is a straight-chain or branched hydrocarbon chain which has 2 to 10 carbon atoms, can optionally contain oxygen bridges and is optionally substituted by 1 to 4 acrylate or methacrylate radicals,whereinR.sup.5 represents hydrogen or methyl andR.sup.6 represents hydrogen, C.sub.1 -C.sub.6 - alkyl or phenyl,which are useful as dental materials.Type: GrantFiled: May 1, 1986Date of Patent: June 21, 1988Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Jens Winkel, Erich Klauke, Carlhans Suling, Wolfgang Podszun
-
Patent number: 4736055Abstract: Oxime sulfonates of formula I ##STR1## wherein Y is a polymerizable unsaturated group or epoxide group or an --OH, --NHR.sup.5, --COOH, COOR.sup.6, --COCl, --CH.sub.2 Hal, --SO.sub.2 Cl or --NCO group, Z is an (x+y)-valent connecting member, R.sup.1 and R.sup.2 are monovalent organic radicals, m is 0 or 1, x is 1 or 2 and y is 1 or 2, can be converted into polymers which can be thermally or photochemically dissociated to form free sulfonic acid groups. Said polymers can therefore be used as photoresists which can be developed with aqueous alkalis.Type: GrantFiled: April 11, 1986Date of Patent: April 5, 1988Assignee: Ciba-Geigy CorporationInventors: Kurt Dietliker, Werner Rutsch, Godwin Berner, Max Hunziker, Christopher G. Demmer
-
Patent number: 4734521Abstract: .beta.,.gamma.-Unsaturated non-epoxide ethers react with carboxylic acids, carbamates or sulfonamides to form the corresponding .beta.,.gamma.-unsaturated esters, carbamates or sulfonamides. The reaction is catalyzed with sulfonated polystyrene beads and is promoted by copper (I) chloride.Type: GrantFiled: August 5, 1987Date of Patent: March 29, 1988Assignee: The Dow Chemical CompanyInventor: Kevin A. Frazier
-
Patent number: 4725631Abstract: Acrylic diesters of bisphenol-alkyl-ether of formula: ##STR1## in which R.sub.1 and R.sub.2 may be a halogen or a C.sub.1 -C.sub.7 alkyl radical optionally halogen-substituted, and R.sub.3 may be hydrogen, halogen, or a C.sub.1 -C.sub.7 alkyl radical optionally halogen-substituted. Polymers obtained from the acrylic diesters of bisphenol-alkyl-ether of formula (1) and dental composites containing said acrylic diesters.Type: GrantFiled: July 21, 1986Date of Patent: February 16, 1988Assignee: Montedison S.p.A.Inventors: Catia Bastioli, Giancarlo Romano, Romano Mazzocchi
-
Patent number: 4707295Abstract: Bicyclooctane derivatives of the formula IR.sup.1 --A.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 independently of one another are each an alkyl group which has 1-12 C atoms and in which it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or CO groups and/or --O13 CO groups and/or --CO--O groups and/or --CH.dbd.CH-- groups, one of the radicals R.sup.1 and R.sup.2 being also --A.sup.3 --R.sup.3,A.sup.1 is a 1,4-cyclohexylene group which is unsubstituted or substituted in the 1-position and/or 2-position and/or 3-position and/or 4-position by alkyl which has in each case 1-5 C atoms and is unsubstituted or substituted or fluorinated, and in which it is also possible for one or two non-adjacent CH.sub.2 groups to be replaced by one or two different groupings from the group --O--, --CO--, --CH.dbd.CH--, --S--, --SO-- or --SO.sub.2 --, or is substituted by F, Cl, Br, CN and/or CHO,A.sup.2 is a 1,4-bicyclo[2.2.2] octylene group,--A.sup.3 --R.sup.3 is --Cy--R.sup.Type: GrantFiled: March 24, 1986Date of Patent: November 17, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Ludwig Pohl, Bernhard Scheuble, Andreas Wachtler, Reinhard Hittich, Peter Fuss
-
Patent number: 4665217Abstract: (Meth)-acrylic acid esters of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and denote hydrogen, chlorine, fluorine or a C.sub.1 - to C.sub.4 -alkyl radical andR.sup.3 and R.sup.4 are identical or different and represent the group ##STR2## wherein R.sup.5 and R.sup.6 are identical or different and denote hydrogen or methyl,Z denotes a straight-chain or branched C.sub.2 - to C.sub.8 -alkylene chain andn denotes values from 1 to 4. Such (meth)-acrylic acid esters can be used as dental fillers or to coat teeth.Type: GrantFiled: April 16, 1986Date of Patent: May 12, 1987Assignee: Bayer AktiengesellschaftInventors: Jurgen Reiners, Jens Winkel, Erich Klauke, Carlhans Suling, Wolfgang Podszun
-
Patent number: 4665223Abstract: A process for the production of 1-alkoxyalkyl esters comprises reacting an unsaturated ester with an alcohol in the presence of a Lewis base containing catalyst. The Lewis base containing catalyst is preferably (i) an amidine, or (ii) a Lewis base and an epoxide or (iii) a trivalent organophosphorus compound in the presence of an activated alkene or alkyne. The process can be used to prepare, for example, 1-methoxyethyl acetate from vinyl acetate and methanol under mild conditions.Type: GrantFiled: January 15, 1985Date of Patent: May 12, 1987Assignee: BP Chemicals LimitedInventor: Michael J. Green
-
Patent number: 4663412Abstract: Polymers of fluorene containing compounds which form crosslinked networks are found to provide useful negative photoresists which are sensitive in the ultraviolet wavelength range of between about 200 nm to 300 nm. When used in negative photoresist compositions, these fluorene compounds produce a high resolution and thus higher information density in microcircuits manufactured using these photoresists.Type: GrantFiled: July 2, 1986Date of Patent: May 5, 1987Assignee: Ecoplastics LimitedInventors: James E. Guillet, Anthony E. Redpath
-
Patent number: 4659372Abstract: 2-Aryl-1,3-cyclohexanedione enol ester compounds exhibit outstanding miticidal, mite ovicidal and herbicidal activity.Type: GrantFiled: November 28, 1983Date of Patent: April 21, 1987Assignee: Union Carbide CorporationInventor: Thomas N. Wheeler
-
Patent number: 4633023Abstract: A fluoroacrylate ester monomer having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from the group consisting of saturated aliphatic hydrocarbons having from 1 to about 3 carbon atoms and R.sub.3 is selected from the group consisting of hydrogen and methyl. The monomer has a water-repellent "umbrella" of 3 gem bis trifluoromethyl groups around the acrylate monomer which do not interfere with the acrylate properties. Polymerization of the monomer results in a stable, exceptionally hydrophobic, linear thermoplastic polymer. The invention also includes processes for making the monomer from a diether halide and certain novel intermediates.Type: GrantFiled: January 2, 1986Date of Patent: December 30, 1986Assignee: Geo-Centers, Inc.Inventors: James R. Griffith, Jacques G. O'Rear
-
Patent number: 4631300Abstract: Photocurable polyacrylate or methacrylate compounds which exhibit extremely low, neat viscosities while at the same time maintaining the high cure response of other related photocurable materials may be represented by the general formula: ##STR1## wherein R is hydrogen or methyl, R' is C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 alkyl ether alkyl and A is the residue of a diol or dicarboxylic acid, preferably, a diphenol such as Bisphenol A. The process for preparing these materials involves reacting a C.sub.1 -C.sub.8 aliphatic alcohol or C.sub.3 -C.sub.8 aliphatic ether alcohol with a diglycidyl ether or ester and esterifying the remaining hydroxyl groups with acrylic or methacrylic acid.Type: GrantFiled: September 9, 1985Date of Patent: December 23, 1986Assignee: Interez, Inc.Inventor: Darrell D. Hicks
-
Patent number: 4628112Abstract: Compounds of the formula ##STR1## in which R represents hydrogen or a methyl group,Y.sup.1 represents an optionally branched alkylene radical with 1 to 6 C atoms,Y.sup.2 represents an optionally branched alkylene radical with 2 to 8 C atoms,X denotes oxygen or an --NH-- group,R.sup.1 and R.sup.2 are identical or different and denote hydrogen, or an alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl, aralkyl or alkylaryl group which has 1 to 11 C atoms and is optionally substituted by one or more,hydroxyl, amino, epoxide, urethane, urea, ester or ether groups, orR.sup.1 and R.sup.2 together form a 3-membered to 6-membered ring, which optionally contains nitrogen, oxygen or sulphur as hetero-atoms,R.sup.3 has the meaning of R.sup.1 or represents a group ##STR2## or R.sup.2 and R.sup.3, together with the ##STR3## group, form a 5-membered or 6-membered ring, which optionally contains oxygen as a further hetero-atom, andR.sup.4 and R.sup.Type: GrantFiled: November 28, 1984Date of Patent: December 9, 1986Assignee: Bayer AktiengesellschaftInventors: Jens Winkel, Gerhard Klein, Helmut-Martin Meier, Carlhans Suling, Dieter Arlt
-
Patent number: 4616082Abstract: New hydroquinone ether compounds of formula I are described: ##STR1## wherein p is 1 or 2 and Q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II ##STR2## and R.sub.o, R.sub.oo, R.sub.1, R.sub.2, R.sub.3, Q, n and k are as defined in the specification,The new compounds are useful e.g. as stabilizers in photographic material.Type: GrantFiled: June 7, 1985Date of Patent: October 7, 1986Assignee: Ciba-Geigy AGInventor: Frederick H. Howell
-
Patent number: 4613619Abstract: The invention concerns novel anti-arrhythmic amino-alcohol derivatives, characterized by the general formula (1) ##STR1## or pharmaceutically acceptable salts thereof, wherein R.sub.1, R.sub.2 and R.sub.3 each independently represent hydrogen, alkyl having 1-6 carbon atoms, alkoxy having 1-6 carbon atoms, acyloxy having 1-6 carbon atoms, hydroxy, halogen or optionally alkyl-substituted amino;R.sub.4 represents hydrogen, hydroxy or alkyl having 1-6 carbon atoms,R.sub.5 represents hydrogen or alkyl having 1-6 carbon atoms,R.sub.6 represents hydrogen, acyl having 1-18 carbon atoms or alkyl having 1-6 carbon atoms,R.sub.7 and R.sub.8 each independently represent hydrogen or alkyl having 1-6 carbon atoms,X represents a direct bond or an oxygen atom, andn and m each independently are integers having a value of 1 or 2, whereby the sum of n and m is 2 or 3.Type: GrantFiled: February 22, 1985Date of Patent: September 23, 1986Assignee: AKZO N.V.Inventors: Thomas Sleigh, David S. Savage, John K. Clark
-
Patent number: 4613680Abstract: Angelic acid or esters thereof which are useful as perfume materials are prepared by isomerizing tiglic acid or an ester thereof with an organic sulfinic acid as the catalyst, and novel esters of angelic acid represented by the formula ##STR1## wherein R represents 3-hexenyl, 3-methyl-2-butenyl, 3-methyl-3-butenyl, 3-methyl-2-pentenyl, 3-methyl-4-pentenyl, CH.sub.3 (CH.sub.2).sub.l - (in which l is an integer from 5 to 9), cyclopentyl, cyclohexyl, 2-methylpentyl, .alpha.-methylbenzyl, neryl or furfuryl are provided as part of said esters of angelic acid.Type: GrantFiled: February 24, 1984Date of Patent: September 23, 1986Assignee: Toray Industries, Inc.Inventors: Masanobu Naruto, Hisao Kondo, Go Hata