Having -c(=x)-, Wherein X Is Chalcogen, Attached Indirectly To Silicon By Nonionic Bonding Patents (Class 556/418)
-
Patent number: 5739371Abstract: The present invention is directed to a class of compounds that are made by neutralizing the amino group in an amphoteric surfactant with the carboxyllic acid group in a silicone compound. The complex has (a) lower irritation, (b) better foaming properties and (c) improved substantivity to a variety of substrates.Type: GrantFiled: July 7, 1997Date of Patent: April 14, 1998Assignee: Lambent Technologies Inc.Inventor: Anthony J. O'Lenick, Jr.
-
Patent number: 5717125Abstract: The invention includes hydrolyzable and polymerizable silanes, methods of making them and using them to obtain silicic acid(hetero)polycondensates and silicic acid(hetero)polymerizates. The hydrolyzable and polymerizable silanes have the formula I, ##STR1## wherein A=O, S, NH or C(O)O;whereinB=a straight chain or branched organic residue with at least one C.dbd.C double bond and from 4 to 50 carbon atoms;R is an alkyl group, alkenyl group, aryl group, alkylaryl group or an arylalkyl group;R' is a substituted or unsubstituted alkylene group, arylene group, arylenealkylene group or alkylenearylene group each having zero to ten carbon atoms, with the proviso that the substituted groups each have at least one oxygen atom, sulfur atom and/or amine group substituent;R.sup.Type: GrantFiled: May 11, 1995Date of Patent: February 10, 1998Assignee: Fraunhofer-Gesellschaft Zur Forderung Der AngewandtenInventors: Herbert Wolter, Werner Storch
-
Patent number: 5679819Abstract: A copolymer comprising cystine, or a derivative thereof, bonded to a silicon-containing group, wherein the silicon containing group is bonded to one or more other silicon-containing groups by siloxane groups. This polymer is useful for treating keratin-containing substrates.Type: GrantFiled: April 3, 1996Date of Patent: October 21, 1997Assignee: Croda International PLCInventors: Roger Trevor Jones, Surinder Pall Chahal
-
Patent number: 5654468Abstract: Disclosed are compounds of formula ##STR1## wherein R is hydroxy, esterified hydroxy or etherified hydroxy;R.sub.1 is halogen, trifluoromethyl or lower alkyl;R.sub.2 is halogen, trifluoromethyl or lower alkyl;R.sub.1 is halogen, trifluoromethyl, lower alkyl, aryl, aryl-lower alkyl, cycloalokyl or cycloalkyl-lower alkyl; orR.sub.3 is the radical ##STR2## wherein R.sub.8 is hydrogen, lower alkyl, aryl, cycloalkyl, aryl-lower alkyl or cycloalkil-lower alkyl; R.sub.9 is hydroxy or acyloxy; R.sub.10 represents hydrogen or lower alkyl; or R.sub.9 and R.sub.10 together represent oxo;R.sub.4 is hydrogen, halogen, trifluoromethyl or lower alkyl;X is --NR.sub.7, S or O;W is O or S;R.sub.5 represents hydrogen, lower alkyl or aryl-lower alkyl; andR.sub.6 represents hydrogen; orR.sub.5 and R.sub.6 together represent oxo provided that X represents --NR.sub.7 ;R.sub.Type: GrantFiled: July 15, 1996Date of Patent: August 5, 1997Assignee: Ciba-Geigy CorporationInventors: Naokata Yokoyama, deceased, Gordon Northrop Walker, Alan Joseph Main
-
Patent number: 5650529Abstract: The invention discloses novel silicone compounds which contain an amino group on the molecule, and an ester linkage between the two. Compounds of the invention are made by reacting (a) a carboxy silicone, and (b) a hydroxy containing tertiary amine. Compounds may also contain a polyoxyalkylene group. Compounds of the invention by virtue of (i) the silicone group, (ii) the ester group and (iii) the amino group are extremely efficient softeners.Type: GrantFiled: November 6, 1996Date of Patent: July 22, 1997Assignee: Siltech Inc.Inventor: Anthony J. O'Lenick, Jr.
-
Patent number: 5627292Abstract: The invention relates to monomers derived from perhalogenated sultones, to a process for their preparation, to the polymers obtained from the said monomers and to their use for the production of ion-conductive materials.The monomers are compounds corresponding to the formula A--CFX--SO.sub.2 Z in which A denotes one groups [sic] R.sup.3 --O--CF.sub.2 -- or R.sup.3 -- or R.sup.1 R.sup.2 N--CO--; Z denotes F, Cl, --OSi(CH.sub.3).sub.3 or an ionic group, Z being other than F when A denotes R.sup.3 --O--CF.sub.2 -- or R.sup.3 --; X denotes F, Cl, H or R.sub.F, X being R.sub.F when A denotes R.sup.3 --; the radicals R.sup.1, R.sup.2 and R.sup.3 are chosen from polymerizable nonperfluorinated organic radicals; R.sub.F is chosen from perfluoroalkyl radicals and perfluoroaryl radicals.The polymers obtained from these monomers can be employed for the production of ion-conductive materials.Type: GrantFiled: March 9, 1994Date of Patent: May 6, 1997Assignees: Centre National de la Recherche Scientifique, Hydro-QuebecInventors: Michel Armand, Jean-Yves Sanchez, Salime Sylla
-
Patent number: 5608095Abstract: This invention relates to compounds of the formula ##STR1## wherein R.sub.1 and R.sub.6 are each independently C.sub.1 -C.sub.6 alkyl;R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl;R is hydrogen or --C(O)--(CH.sub.2).sub.m --Q wherein Q is hydrogen or --COOH and m is an integer 1, 2, 3 or 4;Z is a thio, oxy or methylene group;A is a C.sub.1 -C.sub.4 alkylene group;R.sub.5 and R.sub.7 are each independently a C.sub.1 -C.sub.6 alkyl or --(CH.sub.2).sub.n --(Ar) wherein n is an integer 0, 1, 2 or 3; and Ar is phenyl or naphthyl unsubstituted or substituted with one to three substituents selected from the group consisting of hydroxy, methoxy, ethoxy, halogen, trifluoromethyl, C.sub.1 -C.sub.6 alkyl, or --NR.sub.8 R.sub.9, wherein R.sub.8 and R.sub.9 are each independently hydrogen or C.sub.1 -C.sub.6 alkyl; with the proviso that when R.sub.2 and at least one of R.sub.5 or R.sub.7 is C.sub.1 -C.sub.6 alkyl, and Ar is not substituted with trifluoromethyl or --NR.sub.8 R.sub.Type: GrantFiled: April 30, 1996Date of Patent: March 4, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Roger A. Parker, Michael L. Edwards, Mark J. Vaal, James E. Matt, Jr., Kim S. Chen, Mark T. Yates, Paul S. Wright, Steven J. Busch
-
Patent number: 5581007Abstract: A process for preparing an optically active (2S,3S)-allophenylnorstatin derivative (I) is disclosed, comprising asymmetrically hydrogenating a 4-phenyl-2-halogeno-3-oxobutyric ester (III) in the presence of a ruthenium-phosphine complex to obtain a 4-phenyl-(2S)-halogeno-(3R)-hydroxybutyric ester (IV), epoxidizing the ester (IV) in the presence of a base to obtain a 4-phenyl-(2S,3R)-epoxybutyric ester (V), reacting the ester (V) with a tri(lower alkyl)silylazide or a (lower alkyl)diarylsilylazide in the presence of a Lewis to obtain a (3S)-azido-4-phenyl-(2S)-trisubstituted silyloxybutyric ester (VI), hydrogenolyzing the ester (VI) into a (2S,3S)-allophenylnorstatin derivative (VII), protecting the amino group of the compound (VII), and, if desired, hydrolyzing the compound before or after the amino group protection. Compounds (I) can be obtained at high optical purity safely and in good yield.Type: GrantFiled: March 1, 1996Date of Patent: December 3, 1996Assignee: Takasago International CorporationInventors: Noboru Sayo, Tetsuro Yamasaki, Hidenori Kumobayashi, Yoshifumi Yuasa, Tsukasa Sotoguchi
-
Patent number: 5569689Abstract: Addition-curable platinum group metal catalyzed silicone compositions are provided which utilize an adhesion promoter in the form of a Michael reaction product of a bis(aminoalkyl)tetraalkyldisiloxane, such as bis(aminopropyl)tetramethyldisiloxane, with an acryloxyorganotrialkoxysilane, for example, acryloxypropyltrimethoxysilane. The addition-curable silicone compositions can bond to plastic and metal substrates at temperatures of less than 100.degree. C. and in less than 1 hour, forming composites which fail cohesively upon separation.Type: GrantFiled: October 2, 1995Date of Patent: October 29, 1996Assignee: General Electric CompanyInventor: Judith Stein
-
Patent number: 5536861Abstract: Antimicrobial quaternary ammonium group-containing organosilicon polymers, aqueous disinfectant solutions containing such polymers, and lenses produced from such polymers are provided herein.Type: GrantFiled: July 5, 1994Date of Patent: July 16, 1996Assignee: Ciba-Geigy CorporationInventor: J. Richard Robertson
-
Patent number: 5527931Abstract: The present invention relates to organosilane compounds used for treating porous substrates to render them repellent to water-based and oil-based challenges and to enhance the cleanibility of the protected surfaces from such challenges.Type: GrantFiled: June 27, 1994Date of Patent: June 18, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Larry D. Rich, James F. Sanders
-
Patent number: 5523442Abstract: Fluorinated silylated aromatic compounds, their intermediates, methods of use in treating diseases associated with deficiencies of cholinergic transmission in the central nervous system and methods for their preparation are disclosed.Type: GrantFiled: July 18, 1995Date of Patent: June 4, 1996Assignee: Merrell Pharmaceuticals Inc.Inventors: Jean-Noel Collard, Jean-Marie Hornsperger
-
Patent number: 5516869Abstract: Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.Type: GrantFiled: January 10, 1995Date of Patent: May 14, 1996Assignee: General Electric CompanyInventors: Michael A. Lucarelli, William J. Raleigh
-
Patent number: 5516926Abstract: (+)2-benzoyl-3-(silyloxyprop-2(S)-yl)aminoacrylate derivative of following formula I which can be an useful starting material for producing a potent antibacterial compound and a method for the preparation of the same: ##STR1## wherein X is fluoro or chloro; X.sub.1 and X.sub.2 can be halogen or nitro; and R, R.sub.1, R.sub.2 and R.sub.3 each can be C.sub.1-8 alkyl group.Type: GrantFiled: May 26, 1995Date of Patent: May 14, 1996Assignee: Korea Institute of Science and TechnologyInventors: Youseung Kim, Soon Bang Kang, Seonhee Park
-
Patent number: 5516927Abstract: There are disclosed 2-benzoyl-3-aminoacrylate derivatives of formula I and methods for the preparation of the same. The compounds can be used as starting materials to synthesize benzoxazine derivatives, potent antibacterial compounds.Type: GrantFiled: May 26, 1995Date of Patent: May 14, 1996Assignee: Korea Institute of Science and TechnologyInventors: Yousoung Kim, Soon Bang Kang, Seonhec Park
-
Patent number: 5512694Abstract: Addition-curable platinum group metal catalyzed silicone compositions are provided which utilize a bis(trialkyloxysilyl)alpha-amino ester as an adhesion promoter. Cohesive bonding is effected on both plastic and metal substrates at temperatures of about 100.degree. C. in an hour or less.Type: GrantFiled: June 7, 1995Date of Patent: April 30, 1996Assignee: General Electric CompanyInventor: Judith Stein
-
Patent number: 5489584Abstract: Compounds of the formula ##STR1## having retinoid like biological activity.Type: GrantFiled: December 29, 1994Date of Patent: February 6, 1996Assignee: Allergan, Inc.Inventors: Vidyasagar Vuligonda, Richard L. Beard, Roshantha A. Chandraratna
-
Patent number: 5446182Abstract: A method for the removal and concentration of desired ions such as Pd(II), Ru(III), Pd(IV), Au(III), Au(I), Ag(I), and Hg(II) from a multiple ion source solution which may contain larger concentrations of other undesired ions including H.sup.+ comprises bringing the source solution into contact with a compound comprising a sulfur and electron withdrawing group containing ligand covalently bonded through an organic spacer silicon grouping to a solid inorganic support. The sulfur and electron withdrawing group containing ligand portion(s) of the compound has an affinity for the desired ions to form a complex thereby removing the desired ions from the source solution. The desired ions are removed from the compound by contacting the compound with a much smaller volume of a receiving solution having a greater affinity for the desired ions than does the sulfur and electron withdrawing group containing ligand portion of the compound.Type: GrantFiled: February 15, 1994Date of Patent: August 29, 1995Assignee: Brigham Young UniversityInventors: Ronald L. Bruening, Bryon J. Tarbet, Reed M. Izatt, Jerald S. Bradshaw
-
Patent number: 5442105Abstract: A process for for producing a (2R,3S)-cyclohexylnorstatine or a salt thereof is disclosed, which comprises the steps of: enantioselectively hydrogenating a 4-cyclohexyl-2-halogeno-3-oxobutyric acid ester in the presence of a ruthenium-phosphine complex to produce a 4-cyclohexyl-2-halogeno-(3R)-hydroxybutyric acid ester (2); epoxidizing the compound (2) in the presence of a base to produce a 4-cyclohexyl-(2S,3R)-epoxybutyric acid ester (3); reacting the compound (3) with a lower trialkylsilyl azide in the presence of a Lewis acid to produce a (3S)-azide-4-cyclohexyl-(2S)-substituted butyric acid ester (4); subjecting the compound (4) to hydrogenolysis to produce a (2S,3S)-cyclohexylnorstatine derivative (5); and inverting the configuration at the 2-position of the compound (5).Type: GrantFiled: December 30, 1993Date of Patent: August 15, 1995Assignee: Takasago International CorporationInventors: Noboru Sayo, Noboru Sano, Hidenori Kumobayashi
-
Patent number: 5399737Abstract: Novel quaternary ammonium siloxane compounds and methods for their use are disclosed.Type: GrantFiled: April 4, 1994Date of Patent: March 21, 1995Assignee: Alcon Laboratories, Inc.Inventors: Joonsup Park, Joseph J. Falcetta
-
Patent number: 5399653Abstract: Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.Type: GrantFiled: October 29, 1993Date of Patent: March 21, 1995Assignee: General Electric CompanyInventors: Michael A. Lucarelli, William J. Raleigh
-
Patent number: 5389619Abstract: Compounds of the formula I ##STR1## where n, W, X, Y, Z, R.sup.1, R.sup.2, and R.sup.3 are as defined herein exhibit fungicidal, insecticidal, and acaracidal activity.Type: GrantFiled: March 29, 1993Date of Patent: February 14, 1995Assignee: BASF AktiengesellschaftInventors: Reinhard Doetzer, Hubert Sauter, Horst Wingert, Reinhard Kirstgen, Albrecht Harreus, Gisela Lorenz, Eberhard Ammermann
-
Patent number: 5384342Abstract: The present invention is directed to a compound of the Formula:R.sub.1 --R.sub.2 --R.sub.3 --R.sub.4 --A--(R.sub.5).sub.n (R.sub.6).sub.3-nwherein: A is Si or Ti; R.sub.1 is an alkenoxy, acryloxy or ethylenically unsaturated dicarboxylate group; R.sub.2 is a 2 to 18 carbon linear, branched or cyclo alkyl, alkenyl, alkynyl, acyl, aryl or poly(alkoxy) group; R.sub.3 contains a urethane, urea, or thiourethane linkage; R.sub.4 is a 2 to 18 carbon linear, branched, or cyclic alkyl, alkenyl, alkynyl, aryl or acyl non-hydrolyzable silyl linking group; R.sub.5 is a 2 to 18 carbon linear, branched, or cyclic alkyl, alkenyl, alkynyl, aryl or acyl group; R.sub.6 is any hydrolyzable silyl linking group (alkoxy, alkenoxy, or halogen); and n is 0 to 2.The present invention is further directed to an improved method of using of a compound of the above Formula as an adhesion promoter in a UV-curable composition for a surface with a free nucleophilic group. Preferably, that surface is glass.Type: GrantFiled: August 30, 1993Date of Patent: January 24, 1995Assignee: DSM Desotech, Inc.Inventor: David M. Szum
-
Patent number: 5364955Abstract: N-alkoxysilylalkyl-aspartic acid esters are prepared by the reaction of equimolar quantities of amino-alkyl alkoxysilanes with maleic or fumaric acid esters. These N-alkoxysilylalkyl-aspartic acid esters are particularly useful as reactants in the preparation of prepolymers containing alkoxysilane and urea groups.Type: GrantFiled: October 27, 1993Date of Patent: November 15, 1994Assignee: Bayer AktiengesellschaftInventors: Christian Zwiener, Lutz Schmalstieg, Josef Pedain
-
Patent number: 5359104Abstract: A method of treating surfaces in order to eliminate microbial growth by adding an antibacterially effective amount of an organosilicon quaternary ammonium silatrane compound to the surface in order to destroy bacteria and fungi. The preferred organosilicon quaternary ammonium silatrane compound has the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4, each represent a hydrogen atom or a methyl, ethyl, propyl, or butyl radical.Type: GrantFiled: April 8, 1991Date of Patent: October 25, 1994Assignee: Dow Corning CorporationInventors: Bruce S. Higgs, William C. White
-
Patent number: 5342870Abstract: Addition-curable platinum group metal catalyzed silicone compositions are provided which utilize a bis(trialkoxysilylalkyleneoxycarbonylalkylene)amine adhesion promoter, such as NH[CH.sub.2 CH.sub.2 C(O)OCH.sub.2 CH.sub.2 CH.sub.2 Si(OCH.sub.3).sub.3 ].sub.2. Cohesive bonding is effected on both plastic and metal substrates at temperatures of 100.degree. C. or less and in 1 hour or less.Type: GrantFiled: December 15, 1993Date of Patent: August 30, 1994Assignee: General Electric CompanyInventors: Judith Stein, Joseph A. King, Jr., Andrew J. Caruso
-
Patent number: 5329034Abstract: A silanol compound having a mesogenic group, of the following formula (III): ##STR1## wherein each of R.sup.5 and R.sup.6, which may be the same or different, is an alkyl group or a phenyl group, X is a single bond, an oxygen atom, or a group of the formula --COO--or "OCO--, Q is a mesogenic group, and p is an integer of from 2 to 20, and a process for its production. Also disclosed are a polymerizable monomer of the following formula (I) and a polymer having repeating units of the following formula (II). ##STR2## wherein R is a hydrogen atom, a halogen atom, an alkyl group or a phenyl group, each of R.sup.1 to R.sup.6 which may be the same or different, is an alkyl group or a phenyl group, m is an integer of from 2 to 20, n is an integer of from 0 to 50, and X, Q and p are as defined above.Type: GrantFiled: March 8, 1993Date of Patent: July 12, 1994Assignee: Sagami Chemical Research CenterInventors: Yu Nagase, Yuriko Takamura
-
Patent number: 5300241Abstract: The present invention relates to a polyester-fiber-treatment agent that can impart smoothness and flexibility to polyester fiber at the same time that it also equips the polyester fiber with nonflammability. The treatment agent for the polyester fiber is based on an organosilicon compound that contains an organic group comprising a bromine-containing organic group bonded to silicon via carbon where the organosilicon compound has a bromine content of at least 5 weight percent.Type: GrantFiled: September 28, 1992Date of Patent: April 5, 1994Assignee: Dow Corning Toray Silicone Co. Ltd.Inventors: Ryuzo Mikami, Isao Ona, Masaru Ozaki
-
Patent number: 5296480Abstract: The invention provides compounds having the formula ##STR1## wherein R, X and R.sup.6 are defined in the specification which have activity as angiotensin II antagonists.Type: GrantFiled: April 23, 1993Date of Patent: March 22, 1994Assignee: American Cyanamid CompanyInventor: Howard Newman
-
Patent number: 5272241Abstract: Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.Type: GrantFiled: August 21, 1992Date of Patent: December 21, 1993Assignee: General Electric CompanyInventors: Michael A. Lucarelli, William J. Raleigh
-
Patent number: 5260467Abstract: The invention provides the substantially optically pure 2(S)-stereoisomeric form of compounds of the formulae: ##STR1## and the salts thereof, together with processes for their preparation. The compounds are intermediates for the preparation of antihypertensive agents.Type: GrantFiled: March 10, 1993Date of Patent: November 9, 1993Assignee: Pfizer Inc.Inventors: Ian T. Barnish, Keith James
-
Patent number: 5254685Abstract: A tricyclic compound represented by the general formula (1) and salts thereof. ##STR1## A method for producing the tricyclic compound and salts thereof, and an antimicrobial agent containing the tricyclic compound and salts thereof as an active ingredient are also disclosed.Type: GrantFiled: August 7, 1991Date of Patent: October 19, 1993Assignees: Wakunaga Seiyaku Kabushiki Kaisha, Fujisawa Pharmaceutical Co., Ltd.Inventors: Masaharu Yokomoto, Akira Yazaki, Norihiro Hayashi, Shunso Hatono, Satoshi Inoue, Yasuhiro Kuramoto
-
Patent number: 5246607Abstract: Methylpolysiloxanes are disclosed which have quaternary ammonium groups linked to silicon atoms via carbon atoms, wherein the ratio of the number of dimethylsiloxy groups to the number of quaternary ammonium groups has a value of 0.5 to 1.5. The methylpolysiloxanes are useful as corrosion inhibitors for preparations consisting predominantly of water, especially coolants, such as cooling lubricants mixed with water, in an amount of 0.01 to 0.1% by weight, based on the total preparation in the form suitable for use.Type: GrantFiled: October 12, 1989Date of Patent: September 21, 1993Assignee: Th. Goldschmidt AGInventors: Dietmar Schaefer, Werner Hohner
-
Patent number: 5241064Abstract: Preparation of optically active 3-substituted azetidinones of the formula (I) ##STR1## in which R.sup.1 is a hydroxy-protective group wherein an allylic alcohol of the formula (II) ##STR2## is acylated, then subjected to asymmetric enzymatic hydrolysis yielding the R-allylic alcohol. The hydroxyl group is protected and then stereoselectively reacted with an amine which is subsequently cyclized to yield the desired 3-substituted azetidinone. Two new species of microorganisms have been isolated, Pimelobacter sp. No. 1254 and Bacillus megaterium No. 1253 which exhibit stereoselective esterase activity.Type: GrantFiled: September 24, 1990Date of Patent: August 31, 1993Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Masayoshi Murata, Toshiyuki Chiba, Fumiyuki Shirai, Kenichi Washizuka, Motohiro Hino
-
Patent number: 5237083Abstract: An aqueous glass fiber sizing composition acetate file former and an effective amount of a lubricant additive having the formula: ##STR1## where R is an alkyl or alkenyl group of 6 to 20 carbons, A is a divalent organic--S--or--NH--group, R.sup.1 is an alkyl group of 1 to 4 carbons, m is or 1 and n is 0 to 10 with the proviso that when n is O, m is also O.Type: GrantFiled: March 5, 1992Date of Patent: August 17, 1993Assignee: National Starch and Chemical Investment Holding CorporationInventors: Gary T. Martino, Michael J. Hasuly, John J. Tsai
-
Patent number: 5217645Abstract: A mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes a linear or branched alkyl group having 2-16 carbon atoms capable of including one or non-neighboring two methylene groups which can be replaced with --O--, --S--, --CO--, --COO-- or --OCO-- and capable of including a hydrogen atom which can be replaced with a fluorine atom; A denotes --A.sub.1 -- or --A.sub.1 --A.sub.2 --; B.sub.2 denotes --B.sub.3 -- or --B.sub.3 --B.sub.4 --; A.sub.1, A.sub.2, B.sub.1, B.sub.3 and B.sub.4 independently denote ##STR2## wherein Y.sub.1 and Y.sub.2 independently denote a hydrogen atom, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3, with the proviso that B.sub.1 can be a single bond; Z.sub.1 and Z.sub.2 independently denote a single bond, --COO--, --OCO--, --CH.sub.2 O-- or --OCH.sub.2 --; Z.sub.3 denotes --O--, --CO--, --COO-- or --OCO--; R.sub.2, R.sub.3 and R.sub.Type: GrantFiled: September 13, 1991Date of Patent: June 8, 1993Assignee: Canon Kabushiki KaishaInventors: Takashi Iwaki, Takao Takiguchi, Takeshi Togano, Yoko Yamada, Shinichi Nakamura
-
Patent number: 5202452Abstract: A silane compound represented by the following general Formula (I) is described: ##STR1## wherein R.sup.1 is an alkyl group with 1 to 4 carbon atoms;A is oxygen atom (--O--), carboxyl group ##STR2## or an alkylsilylene group ##STR3## wherein each R.sup.2 and R.sup.3 is an alkyl group with 1 to 4 carbon atoms;x is a halogen atom, or an alkoxyl group;m is an integer from 1 to 8;n is an integer from 0 to 2;p is an integer from 5 to 25; andq is an integer from 0 to 2.The silane compound is useful as a coating agent for various base materials, to provide lubricity, in addition to stain-proofing property.Type: GrantFiled: September 3, 1991Date of Patent: April 13, 1993Assignees: Matsushita Electric Industrial Co., Ltd., Shin-Etsu Chemical Co., Ltd.Inventors: Kazufumi Ogawa, Norihisa Mino, Toshinobu Ishihara, Mikio Endo, Tohru Kubota, Yasuhisa Tanaka
-
Patent number: 5189190Abstract: Vicinal substituted C.sub.4 -C.sub.24 carboxylic acid derivatives and their silane and siloxane derivatives as well as polymers and copolymers of silane and siloxane derivatives are disclosed. The compounds are useful as coupling agents, emulsifiers and demulsifiers, textile processing aids, and cosmetic additives.Type: GrantFiled: August 20, 1990Date of Patent: February 23, 1993Assignee: Henkel Research CorporationInventors: Ta Y. Ching, Lon-Tang W. Lin
-
Patent number: 5157138Abstract: The invention provides the substantially optically pure 2(S)-steroisomeric form of compounds of the formulae: ##STR1## and the salts thereof, together with processes for their preparation. The compounds are intermediates for the preparation of antihypertensive agents.Type: GrantFiled: September 11, 1991Date of Patent: October 20, 1992Assignee: Pfizer, Inc.Inventors: Ian T. Barnish, Keith James
-
Patent number: 5149839Abstract: Silane coupling agents and a method of preparing the coupling agents are provided in which a silane coupling agent is prepared by reacting 2.3 to 4.0 mols of a haloalkylalkoxysilane with 1 mol of a diamine having N atoms to which 4 active hydrogen atoms are bound, by reacting 1.3 to 3.0 mols of a haloalkylalkoxysilane with 1 mol of a diamine having N atoms to which 3 active hydrogen atoms are bound and to which one alkylsilyl group is bound, or by reacting 0.3 to 2.0 mols of a haloalkylalkoxysilane with 1 mol of a diamine having N atoms to which 2 active hydrogen atoms are bound and to which 2 alkylsilyl groups are bound. In addition, a silane coupling agent may be prepared by reacting the diamine with a haloalkylalkoxysilane and a halomethylstyrene.Type: GrantFiled: August 30, 1991Date of Patent: September 22, 1992Assignees: Nitto Boseki Co., Ltd., Chisso Corp.Inventors: Hideharu Waketa, Yoshiharu Suzuki, Motoharu Murakoshi, Hideaki Kakiuchi, Masuhito Ohgushi, Kenichi Watanabe, Toshiya Sawai
-
Patent number: 5145937Abstract: New polyimides have been prepared from the reaction of aromatic dianhydrides with novel aromatic diamines containing carbonyl and ether connecting groups between the aromatic rings. Several of these polyimides were shown to be semi-crystalline as evidenced by wide angle x-ray diffraction and differential scanning calorimetry. Most of the polyimides form tough solvent resistant films with high tensile properties. Several of these materials can be thermally processed to form solvent and base resistant moldings.Type: GrantFiled: November 9, 1989Date of Patent: September 8, 1992Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Paul M. Hergenrother, Stephen J. Havens
-
Patent number: 5143915Abstract: A compound of the formula ##STR1## (symbols defined in the specification), its 3,4-dihydropyrimidine tautomer form and pharmaceutically acceptable salts thereof have calcium entry blocking activity. A process of preparation, pharmaceutical composition and method of using the compound to reduce blood pressure are also provided.Type: GrantFiled: July 25, 1990Date of Patent: September 1, 1992Assignee: E. R. Squibb & Sons, Inc.Inventors: George C. Rovnyak, Spencer D. Kimball
-
Patent number: 5144034Abstract: This invention relates to a new process for preparing certain optically active cyclopentene derivatives and novel intermediates used in this process. In particular, the invention concerns the synthesis of the 1'R-cis isomer of carbovir, (1'R-cis)-2-amino-1,9-dihydro-9[4-(hydroxymethyl)-2-cyclopenten-1-yl]-6H-p urin-6-one, an antiviral agent.Type: GrantFiled: April 6, 1990Date of Patent: September 1, 1992Assignee: Glaxo Inc.Inventors: M. Ross Johnson, Michael R. Peel, Daniel D. Sternbach
-
Patent number: 5106530Abstract: The present invention relates to compounds of the formula ##STR1## in which Z is a halogen atom, a cyano group or a hydroxyl group,n is 0, 1 or 2,R' is a radical of the formulaR'"--[Si(R*).sub.2 ].sub.x (CH.sub.2).sub.y R""-- (9),in whichx is the number 0 or 1,y is an integer from 1 to 18,R'"is a defined in the description,R* is identical or different, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon or hydrocarbonoxy radicals,R"" is a phenylene or biphenylene radical or a radical of the formula --E--, whereE is a divalent radical of the formula --O-- or --[Si(R*).sub.2 ].sub.z --, andz is the number 0 or 1,and the compounds contain at least one group of the formula --Si(R*).sub.2 -- per molecule, and the radicalR" is a cholesteryl radical, a radical as defined for R* or a radical of the formula --C.sub.6 H.sub.4 --R*,and the preparation and use thereof.Type: GrantFiled: June 22, 1990Date of Patent: April 21, 1992Assignee: Consortium fur Elektrochemische Ind.Inventors: Wolfgang Haas, Norman Haberle, Rainer Winkler, Franz-Heinrich Kreuzer
-
Patent number: 5093513Abstract: A lower alkanol, such as methanol is oxycarbonylated with carbon monoxide and oxygen to yield e.g. dimethyl carbonate at 50.degree. C.-125.degree. C. and 300-1500 psig in the presence of as catalyst, a functionalized inorganic oxide substrate (such as silica gel) typically bearing on the surface thereof a ligand of ethyl formate and 3-aminopropyl triethoxy silane--which has been reacted with a metal salt such as CuCl.sub.2.Type: GrantFiled: January 22, 1988Date of Patent: March 3, 1992Assignee: Texaco Inc.Inventors: Robert A. Sawicki, Harry Chafetz
-
Patent number: 5087732Abstract: The invention provides the substantially optically pure 2(S)-stereoisomeric form of compounds of the formulae: ##STR1## and the salts thereof, together with processes for their preparation. The compounds are intermediates for the preparation of antihypertensive agents.Type: GrantFiled: October 26, 1990Date of Patent: February 11, 1992Assignee: Pfizer Inc.Inventors: Ian T. Barnish, Keith James
-
Patent number: 5084568Abstract: An improved process for preparing trialkylsilyl ester and acid halide derivatives of carboxylic acids is provided along with novel trialkylsilyl ester intermediates of 2-(2-furyl)-2-methoximinoacetic acid.Type: GrantFiled: December 17, 1990Date of Patent: January 28, 1992Assignee: Eli Lilly and CompanyInventor: Charles A. Bunnell
-
Patent number: 5070215Abstract: Novel monomers of the general formula ##STR1## where b is 0 or 1, a is 1, 2, 3 or 4, R.sup.2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.Type: GrantFiled: May 2, 1989Date of Patent: December 3, 1991Assignee: Bausch & Lomb IncorporatedInventors: Ronald E. Bambury, David E. Seelye
-
Patent number: 5068377Abstract: Siloxane compounds having a hydroxyalkyl radical incorporated in their betaine moiety exhibit improved surface tension reduction and are thus useful hair cleaning agents. They can be efficiently synthesized at a low cost without autoclaving.Type: GrantFiled: October 16, 1990Date of Patent: November 26, 1991Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hideyuki Kawamoto, Shoji Ichinohe, Kazuyuki Tsubone
-
Patent number: RE35462Abstract: The present invention relates to compounds of the formula ##STR1## in which Z is a halogen atom, a cyano group or a hydroxyl group,n is 0, 1 or 2,R' is a radical of the formulaR"'--[Si(R*).sub.2 ].sub.x (CH.sub.2).sub.y R""-- (9),in whichx is the number 0 or 1,y is an integer from 1 to 18,R"'is a defined in the description,R* is identical or different, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon or hydrocarbonoxy radicals,R"" is a phenylene or biphenylene radical or a radical of the formula --E--, whereE is a divalent radical of the formula --O-- or --[Si(R*).sub.2 ].sub.z --, andz is the number 0 or 1,and the compounds contain at least one group of the formula --Si(R*).sub.2 -- per molecule, and the radicalR" is a cholesteryl radical, a radical as defined for R* or a radical of the formula --C.sub.6 H.sub.4 --R*,and the preparation and use thereof.Type: GrantFiled: February 7, 1994Date of Patent: February 25, 1997Assignee: Consortium fur elekochemische Ind. GmbHInventors: Wolfgang Haas, Norman Haberle, Rainer Winkler, Franz-Heinrich Kreuzer