Benzene Ring Attached Indirectly To The -o-c(=o)o- Group By Nonionic Bonding Patents (Class 558/275)
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Patent number: 5559266Abstract: Water-insoluble iodinated esters of the formula (I) ##STR1## useful in X-ray and ultrasound imaging, are disclosed.Type: GrantFiled: May 12, 1995Date of Patent: September 24, 1996Assignee: Nycomed Imaging ASInventors: Jo Klaveness, Per Strande
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Patent number: 5534647Abstract: For use as a monomer for producing hydroxyl group-containing vinyl polymers, there is provided a compound of the formula: ##STR1## wherein R.sup.1 is acryloyl, methacryloyl or 4-vinylbenzyl; R.sup.2 is an alkyl; and R.sup.3 is an alkyl, alkoxyalkyl, alkenyl, alkynyl, aralkyl or aryl.Type: GrantFiled: June 6, 1995Date of Patent: July 9, 1996Assignee: Nippon Paint Co., Ltd.Inventors: Takao Morimoto, Shinji Nakano
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Patent number: 5506263Abstract: Benzyl derivatives of the formula I ##STR1## where A is CH.sub.2, CHCl, CH-alkyl, CH-alkoxy, CH-alkylthio or N-alkoxy,B is OH, alkylthio, alkoxy or alkylamino,U, V, W are hydrogen, halogen, alkyl or alkoxy,D is ##STR2## where R' is hydrogen or alkyl andR is hydrogen, alkyl, cycloalkyl, haloalkyl, halocycloalkyl, cycloalkylalkyl, alkoxyalkyl, alkylthioalkyl, arylthioalkyl, aryloxyalkyl, aryl, arylalkyl, hetaryl, hetaryl-alkyl, hetaryloxyalkyl or heterocyclyl, and fungicides containing these compounds.Type: GrantFiled: December 14, 1994Date of Patent: April 9, 1996Assignee: BASF AktiengesellschaftInventors: Horst Wingert, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz
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Patent number: 5502232Abstract: Diaryl carbonates can be prepared by reacting aromatic hydroxy compounds with CO and O.sub.2 at elevated temperature over a noble metal catalyst in the presence of a base, a quaternary salt, a cocatalyst and a dessicant. According to the invention, the noble metal catalyst is activated with CO in the presence of the quaternary salt and optionally in the presence of the cocatalyst. In a particular process variant, the base used is a preformed alkali metal phenoxide.Type: GrantFiled: November 15, 1994Date of Patent: March 26, 1996Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Buysch, Joachim Dohm, Carsten Hesse, Johann Rechner, Dieter Kaufmann
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Patent number: 5466856Abstract: An alcohol, e.g. methanol, carbon monoxide and oxygen are allowed to react in a gas phase in the presence of a solid catalyst comprising a catalyst component, for instance, containing halogen and copper atoms supported on a solid support. The alcohol and carbon monoxide contents of the reactor feed gas are controlled at 1 to 20 volume % and 70 to 95 volume %, respectively. Because the alcohol and carbon monoxide contents of the feed reactant gas are thus controlled, side reactions are considerably inhibited and the object carbonic diester is produced with high selectivity.Type: GrantFiled: August 3, 1994Date of Patent: November 14, 1995Assignee: Daicel Chemical Industries, Ltd.Inventors: Akira Horiguchi, Shingo Oda
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Patent number: 5457241Abstract: This invention relates to the polyalk-1-enyl ethers having the formula ##STR1## which is the reaction product of a hydroxylated compound and an alk-1-enyloxy oxirane and to the process for preparing the polyalk-1-enyl ether product.Type: GrantFiled: January 5, 1994Date of Patent: October 10, 1995Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Kolazi S. Narayanan, Paul D. Taylor
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Patent number: 5416223Abstract: Water insoluble iodinated esters of formula (I), in which R.sup.1 is a substituted or unsubstituted C.sub.1-20 aliphatic, C.sub.7-20 araliphatic or C.sub.6-20 aryl group or a C.sub.1-20 heterocyclic group having one or more hereto atoms selected from O, S and N; R.sup.2 is hydrogen or a substituted or unsubstituted C.sub.1-6 aliphatic, C.sub.6-10 aryl or C.sub.7-20 araliphatic group; and R.sup.3 is a group as defined above for R.sup.1, which may be the same as or different from R.sup.1, or R.sup.2 and R.sup.3 together represent a substituted or unsubstituted C.sub.1-4 alkylene group, the molecule containing at least one iodine atom and being metabolisable to products which are soluble in body fluids and are physiologically acceptable. The esters are useful in X-ray and ultrasound imaging, especially liver and spleen imaging.Type: GrantFiled: September 30, 1994Date of Patent: May 16, 1995Assignee: Nycomed Imaging ASInventors: Jo Klaveness, Per Strande
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Patent number: 5414017Abstract: Compounds of the formula ##STR1## wherein m is zero or 1; n is zero, 1 or 2; p is zero or 1 to 6 provided that m and p are not both zero; R.sub.3 is hydrogen, acyl, or benzyl; and R.sub.1 is hydrogen, alkyl, phenyl, substituted phenyl, phenyl-alkylene, heterocyclic-alkylene, etc. These compounds are useful as cardiovascular agents.Type: GrantFiled: March 26, 1993Date of Patent: May 9, 1995Assignee: E. R. Squibb & Sons, Inc.Inventors: Norma G. Delaney, George C. Rovnyak, Melanie J. Loots
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Patent number: 5370861Abstract: Water insoluble iodinated esters of formula (I), in which R.sup.1 is a substituted or unsubstituted C.sub.1-20 aliphatic, C.sub.7-20 araliphatic or C.sub.6-20 aryl group or a C.sub.1-20 heterocyclic group having one or more hetero atoms selected from O, S and N; R.sup.2 is hydrogen or a substituted or unsubstituted C.sub.1-6 aliphatic, C.sub.6-10 aryl or C.sub.7-20 araliphatic group; and R.sup.3 is a group as defined above for R.sup.1, which may be the same as or different from R.sup.1, or R.sup.2 and R.sup.3 together represent a substituted or unsubstituted C.sub.1-4 alkylene group, the molecule containing at least one iodine atom and being metabolisable to products which are soluble in body fluids and are physiologically acceptable. The esters are useful in X-ray and ultrasound imaging, especially liver and spleen imaging.Type: GrantFiled: March 21, 1994Date of Patent: December 6, 1994Assignee: Nycomed Imaging ASInventors: Jo Klaveness, Per Strande
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Patent number: 5347031Abstract: The present invention relates to a novel catalyst having a stable catalytic activity for catalyzing the reaction of an alcohol with carbon monoxide and oxygen to produce carbonic acid esters (i.e., carbonate), and also the present invention relates to a method of producing carbonic acid esters using this catalyst. The catalyst of the present invention comprises a copper halide and at least one hydroxide compound selected from a group consisting of alkali metal hydroxides and alkali earth metal hydroxides carried on a porous carrier, and also provide a process of regenerating a catalytic activity of the catalyst.Type: GrantFiled: August 13, 1992Date of Patent: September 13, 1994Assignee: JGC CorporationInventors: Takeshi Koyama, Masao Tonosaki, Nobuhiro Yamada, Kenji Mori
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Patent number: 5322939Abstract: A process for preparing an azetidin-2-one derivative represented by formula (2): ##STR1## wherein R.sup.4 and R.sup.5, which may be the same or different, each represents a hydrogen atom, an alkyl group having from 1 to 8 carbon atoms, or an alkyl group having from 1 to 8 carbon atoms substituted with an alkoxy group, an acyl group, or an alkoxycarbonyl group; R.sup.6 represents a protective group for an amino group; and R.sup.7 represents a vinylidene group of formula ##STR2## or an acetylene group of formula ##STR3## wherein R.sup.2 and R.sup.3, which may be the same or different, each represents a hydrogen atom or an alkyl group having from 1 to 8 carbon atoms; and R.sup.8 represents an alkyl group having from 1 to 8 carbon atoms corresponding to R.sup.2 or R.sup.3, which comprises reacting a propargyl alcohol derivative represented by formula (1): ##STR4## wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms, a phenyl group, or a halogen-substituted phenyl group; R.sup.2, R.sup.3, R.Type: GrantFiled: July 7, 1992Date of Patent: June 21, 1994Assignee: Takasago International CorporationInventors: Tadakatsu Mandai, Jiro Tsuji
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Patent number: 5302717Abstract: The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and a hydrocarbyl halide. The amine or alcohol is reacted with carbon dioxide in a suitable solvent system and in the presence of a base selected from the group consisting of a phosphazene compound and a mixture of a phosphazene compound and an organic, nitrogenous base, to form the ammonium carbamate or carbonate salt which is then reacted in a polar aprotic solvent with a hydrocarbyl halide. Polymer products can also be prepared utilizing this process or utilizing the resulting urethanes and carbonates under standard polymerization conditions.Type: GrantFiled: October 15, 1992Date of Patent: April 12, 1994Assignee: Monsanto CompanyInventors: William D. McGhee, John J. Talley
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Patent number: 5292916Abstract: A carbonic acid diester is stably and safely produced at a high selectivity and at a high yield by catalytically reacting carbon monoxide with a nitrous acid ester in a gas phase in the presence of a solid catalyst comprising a catalytic solid material carried on a solid carrier and comprising:(a) a platinum group metal and/or a compound thereof,(b) a compound of Fe, Cu, Bi, Co, Ni and/or Sn, and(c) a vanadium compound, molybdenum compound, tungsten compound, sulfuric acid and/or phosphoric acid.Type: GrantFiled: May 22, 1992Date of Patent: March 8, 1994Assignee: Ube Industries, Ltd.Inventors: Tokuo Matsuzaki, Tuneo Shimamura, Satoru Fujitsu, Yoshinobu Toriyahara
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Patent number: 5283351Abstract: A process for efficiently producing an organic carbonate which comprises reacting an organic hydroxy compound and carbon monoxide in the absence of oxygen and in the presence of a catalyst comprising (a) palladium or a palladium compound, (b) a quinone or an aromatic diol formed by reduction of the quinone or a mixture thereof, and (c) a halogenated onium compound is disclosed.Type: GrantFiled: March 30, 1992Date of Patent: February 1, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hiroaki Kezuka, Fumio Okuda
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Patent number: 5283356Abstract: A method for the manufacture of alkylene carbonates is disclosed. Alkylene carbonates are prepared by reacting alkylene oxides and carbon dioxide in the presence of a metal phthalocyanine catalyst.Type: GrantFiled: August 3, 1992Date of Patent: February 1, 1994Assignee: Texaco Chemical CompanyInventors: Edward T. Marquis, John R. Sanderson
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Patent number: 5276174Abstract: This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a polyhydroxylated compound having the formula ROH and a dialk-1-enyloxy carbonate having the formula ##STR1## wherein R is a C.sub.3 to C.sub.50 saturated or unsaturated, linear, branched or cyclic polyhydroxylated hydrocarbon radical optionally substituted with halo, alkoxy, lower alkyl, cyano or nitro;R' is hydrogen or lower alkylB is a linear, branched or cyclic divalent radical having from 2 to 12 carbon atoms and is selected from the group of alkylene, mono- or poly- alkoxylated alkylene, alkenylene, alkynylene, arylene, alkarylene and aralkylene radicals, which radicals are optionally substituted with halo, lower alkyl, cyano, nitro or alkoxy and m has a value of from 1 to 10.Type: GrantFiled: March 9, 1990Date of Patent: January 4, 1994Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Kolazi S. Narayanan, Paul D. Taylor
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Patent number: 5266716Abstract: A process for the continuous splitting of polycarbonates into dihydroxy compounds and carbonic acid esters is disclosed. Accordingly there are reacted in a distillation column a polycarbonate resin and a monohydroxy compound in the presence of a transesterification catalyst. The polycarbonate, in molten form or as a solute, is continuously fed into the upper part of the column and the monohydroxy compound in vapor phase is continuously fed into the lower part of the column. The resulting carbonic acid ester and dihydroxy compounds are continuously being removed from the column. The process is eminently suitable for the recycling of polycarbonate waste.Type: GrantFiled: December 9, 1992Date of Patent: November 30, 1993Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Buysch, Norbert Schon, Steffen Kuhling
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Patent number: 5260473Abstract: The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and a hydrocarbyl halide. The amine or alcohol is reacted with carbon dioxide in a suitable solvent system and in the presence of an amidine or guanidine base, to form the ammonium carbamate or carbonate salt which is then reacted in a polar aprotic solvent with a hydrocarbyl halide. Polymer products can also be prepared utilizing this process or utilizing the resulting urethanes and carbonates under standard polymerization conditions.Type: GrantFiled: November 16, 1992Date of Patent: November 9, 1993Assignee: Monsanto CompanyInventors: William D. McGhee, Dennis P. Riley
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Patent number: 5225585Abstract: 4-methyl-3-[(4-trifluormethyl)phenoxy]-3-phenyl propylamine (I) is prepared by reacting 3-dimethylamino-1-phenyl-1-propanol (III) with haloformate (VIII) to obtain a substituted propyl carbamate (IX) which is hydrolyzed under basic conditions to yield methylamino-1-phenyl-1-propanol (X). The methylamino-1-phenyl-1-propanol is then converted to fluoxetine (I) by reaction with 4-halobenzotrifluoride (XI).In the process certain substituted carbamates are obtained as intermediates.Type: GrantFiled: August 18, 1992Date of Patent: July 6, 1993Assignee: Teva Pharmaceutical Industries Ltd.Inventors: Eduard Schwartz, Joseph Kaspi, Zinovi Itov, Gidon Pilarski
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Patent number: 5217996Abstract: The invention relates to biaryl substituted 4-amino-butyric acid derivatives of formula I ##STR1## wherein COX and COX' independently represent carboxyl or carboxyl derivatized in form of a pharmaceutically acceptable ester or amide; R.sub.1 represents hydrogen, lower alkyl, C.sub.3 -C.sub.7 -cycloalkyl-lower alkyl, aryl-lower alkyl, biaryl-lower alkyl, lower alkoxy, aryl-lower alkoxy, aryloxy, N-lower alkylamino, N,N-di-lower alkylamino, N-aryl-lower alkylamino, N,N-di-aryl-lower alkylamino, N-arylamino, N,N-diarylamino, lower alkanoylamino, aryl-lower alkanoylamino or aroylamino; R.sub.2 represents hydrogen, hydroxy, lower alkoxy, lower alkyl, aryl-lower alkyl, C.sub.3 -C.sub.Type: GrantFiled: January 22, 1992Date of Patent: June 8, 1993Assignee: Ciba-Geigy CorporationInventor: Gary Ksander
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Patent number: 5210322Abstract: A process for preparing ethers which comprises contacting a carboxylated ether with a metal oxide catalyst under conditions effective to produce the ether.Type: GrantFiled: September 20, 1990Date of Patent: May 11, 1993Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Stephen W. King, Kurt D. Olson
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Patent number: 5202454Abstract: The invention relates to a new process for the preparation of 1-bromoalkyl hydrocarbyl carbonates.The carbonates according to the invention are prepared by reacting an alpha-chlorinated carbonate of formula ##STR1## with an anhydrous brominated compound of formula ZBr in which Z represents hydrogen, the group (CH.sub.3).sub.3 -Si-, the group ##STR2## or bromine if R.sub.2 is other than an aromatic radical, in the presence of a catalyst chosen from the group consisting of heteroaromatic amines, quaternary ammonium or phosphonium halides, hexasubstituted guanidinium halides, alkaline earth metal halides or alkali metal halides in combination with a complexing agent for their cation.The carbonates according to the invention find their preferential applications as blocking agents for some antibiotics or as agents for the synthesis of phosphorus-containing carbonates which can be used as insecticides.Type: GrantFiled: November 21, 1991Date of Patent: April 13, 1993Assignee: Societe Nationale des Poudres et ExplosifsInventors: Gary Wooden, Gerard Sennyey, Jean-Pierre Senet
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Patent number: 5200547Abstract: The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and an allyl halide. The amine or alcohol is reacted with carbon dioxide to form the ammonium carbamate or carbonate salt which is then reacted with a palladium tertiary phosphine catalyst complex of an allyl halide. Polymer products can also be prepared utilizing this process or utilizing the resulting urethanes and carbonates under standard polymerization conditions.Type: GrantFiled: September 4, 1990Date of Patent: April 6, 1993Assignee: Monsanto CompanyInventors: Dennis P. Riley, William D. McGhee
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Patent number: 5196561Abstract: Carbonic acid esters are important compounds as a gasoline extender, an octane number improver, an organic solvent and a reacting agent in place of phosgene for production of isocyanates, polycarbonates and various intermediates of agricultural chemicals and pharmaceuticals.According to the present invention, carbonic acid esters can be prepared by reacting an alcohol with carbon monoxide and oxygen in the presence of a catalyst comprising a copper halide and a tertiary organophosphorus compound having phenyl group or alkyl group.Type: GrantFiled: February 15, 1991Date of Patent: March 23, 1993Assignee: JGC CorporationInventors: Kenji Mori, Masao Tonosaki, Hidekazu Nakamura, Kenzo Yamamoto, Tsutomu Toida, Miki Tojima
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Patent number: 5187293Abstract: Glycerine derivatives of the formula ##STR1## wherein the residues R.sup.1, R.sup.2 and R.sup.3 have the significance given in the description, and their hydrates, which inhibit blood platelet activating factor (PAF), are described.Type: GrantFiled: November 19, 1987Date of Patent: February 16, 1993Assignee: Hoffmann-La Roche Inc.Inventors: Richard Barner, Kaspar Burri, Jean-Marie Cassal, Paul Hadvary, Georges Hirth, Klaus Muller
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Patent number: 5171874Abstract: A process for making dihydrocarbyl carbonates is disclosed. In this process an alcohol having the structural formula R-OH, where R is alkyl, cycloalkyl or aralkyl, is reacted with oxygen and carbon monoxide in the presence of a heterogeneous copper-containing, halogen-free catalyst.Type: GrantFiled: August 22, 1989Date of Patent: December 15, 1992Assignee: Quantum Chemical CorporationInventors: David W. Smith, Steven D. Landau
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Patent number: 5169976Abstract: Variously substituted 4-(biphen-2-ylmethylcarbamoyl)-3-hydroxybutyric acids and esters, also named as N-(biphen-2-yl)-3-hydroxyglutaramic acid derivatives, are blood cholesterol lowering agents and so are useful in the prevention and treatment of cardiovascular diseases such as atherosclerosis.Type: GrantFiled: May 3, 1990Date of Patent: December 8, 1992Assignee: Pfizer Inc.Inventor: Peter A. McCarthy
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Patent number: 5162563Abstract: A process for preparing a diester of carbonic acid which comprises bringing carbon monoxide into contact with an ester of nitrous acid in a vapor phase at a pressure greater than atmospheric pressure in the presence of a solid catalyst having (a) a platinum group metal or a compound thereof and (b) at least one metal compound of a metal selected from the group consisting of iron, copper, bismuth, cobalt, nickel and tin; carried on a carrier.Type: GrantFiled: October 17, 1990Date of Patent: November 10, 1992Assignee: Ube Industries, Ltd.Inventors: Keigo Nishihira, Katsuhiko Mizutare, Shuji Tanaka
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Patent number: 5159098Abstract: The invention relates to alk-1-enyloxy carbamates selected from the group having the formulae ##STR1## wherein R is a saturated or unsaturated, monovalent or divalent hydrocarbon radical having from 1 to 50 carbon atoms and is optionally substituted with halo, alkyleneoxy, hydroxy, or a combination of said radicals; Y is --O-- or --OCO--O--; X is hydrogen or methyl; R' and R" are each independently hydrogen, alkyl, aryl, aralkyl or alkaryl; m has a value of from 2 to 6 and n has a value of from 0 to 25. The invention also relates to the use of these alk-1-enyloxy carbamates as reactive diluents in cationically induced radiation curing of epoxy, vinyl ether, urethane monomers or oligomers and others.Type: GrantFiled: September 10, 1990Date of Patent: October 27, 1992Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Kolazi S. Narayanan
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Patent number: 5142089Abstract: Dye corresponding to the following formula - ##STR1## wherein Z represents CN, COOR.sup.1 or CONR.sup.2 R.sup.3 ;R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, or R.sup.2 and R.sup.3 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus;Y represents OR.sup.4 or NR.sup.5 R.sup.6 or CN;R.sup.4 represents hydrogen, substituted or unsubstituted or unsubstituted aryl, SO.sub.2 R.sup.7, COR.sup.7, CSR.sup.7, POR.sup.7 R.sup.8 ;R.sup.5 and R.sup.6 each independently has one of the significances given to R.sup.4 or represents substituted or unsubstituted amino, or R.sup.5 and R.sup.6 together represent the necessary atoms to close a heterocyclic nucleus or substituted heterocyclic nucleus, including a heterocyclic nucleus with an aliphatic or aromatic ring fused-on;R.sup.7 and R.sup.Type: GrantFiled: June 4, 1991Date of Patent: August 25, 1992Assignee: Agfa-Gevaert, N.V.Inventor: Luc J. Vanmaele
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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
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Patent number: 5039710Abstract: Aphidicolane derivatives of the formula: ##STR1## wherein R.sup.1 stands for hydrogen or a hydroxy radical, R.sup.2 stands for a hydroxy or methyl radical, or the group CR.sup.1 R.sup.2 stands for a keto group; R.sup.3 stands for a formyl or hydroxymethyl radical, or for the group --CH.sub.2 O.CO.OR.sup.6, wherein R.sup.6 stands for a defined radical or R.sup.2 and R.sup.3 are joined together to form the group --O.CO.OCH.sub.2 --; R.sup.4 stands for a hydroxy radical; R.sup.5 stands for a formyl radical, a hydroxyalkyl radical --(CH.sub.2).sub.1-3 OH, a radical --CHR.sup.7 OH, wherein R.sup.7 stands for a defined radical, or R.sup.5 stands for an azidomethyl or pyrrolidinylcarbonyloxymethyl radical, or for the group --CH.sub.2 O.CO.OR.sup.8, wherein R.sup.8 stands for a defined radical, or R.sup.5 stands for the group --CH.sub.2 O.CO.(CH.sub.2).sub.m.CR.sup.11 R.sup.12.(CH.sub.2).sub.n.NR.sup.9 R.sup.10, wherein m, n, R.sup.9, R.sup.10, R.sup.11 and R.sup.12 have defined values, or R.sup.Type: GrantFiled: September 17, 1990Date of Patent: August 13, 1991Assignee: Imperial Chemical Industries PLCInventor: Arnold H. Ratcliffe
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Patent number: 5015753Abstract: Poly(alkylene carbonate) monoahls and polyahls useful as nonionic surfactants and having a poly(alkylene carbonate) backbone are prepared by reacting an oligomeric poly(alkylene carbonate) polyahl with a compound having mono- or difunctional active hydrogen moieties, such as alcohols, carboxylic acids, mercaptans, amides, primary or secondary amines, or substituted phenols, optionally in the presence of a catalyst, under transesterification conditions.Type: GrantFiled: November 13, 1989Date of Patent: May 14, 1991Assignee: The Dow Chemical CompanyInventor: Robert F. Harris
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Patent number: 5013861Abstract: Compounds of the formula ##STR1## are disclosed. These compounds are useful as intermediates in the preparation of pharmaceutically active products.Type: GrantFiled: October 6, 1986Date of Patent: May 7, 1991Assignee: E. R. Squibb & Sons, Inc.Inventors: Harold N. Weller, III, Eric M. Gordon
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Patent number: 5004827Abstract: A process for the preparation of dihydrocarbyl carbonates comprising contacting an alkanol such as methanol, carbon monoxide and oxygen with a heterogeneous catalyst which comprises a metal halide such as cupric chloride or a mixed metal halide such as cupric chloride/potassium chloride impregnated on an appropriate support such as activated carbon; and a process for reactivating metal halide catalysts supported on porous carrier materials comprising drying and then contacting the supported catalysts with a gaseous stream of hydrogen halide for a period of time which is sufficient to convert all of the metal present in whatever form to the corresponding metal halide.Type: GrantFiled: September 17, 1987Date of Patent: April 2, 1991Assignee: The Dow Chemical CompanyInventor: Gerald L. Curnutt
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Patent number: 5001252Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a urea or a mixture of ureas as a cosolvent for the catalyst system.Type: GrantFiled: December 11, 1987Date of Patent: March 19, 1991Assignee: Texaco Inc.Inventor: Ajit K. Bhattacharya
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Patent number: 4968829Abstract: Substituted phenoxy, phenylthio and anilino compounds, intermediates therefor, synthesis thereof, and their use for the control of pests.Type: GrantFiled: June 19, 1989Date of Patent: November 6, 1990Assignee: Sandoz Ltd.Inventor: Clive A. Henrick
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Patent number: 4921632Abstract: Liquid Crystal compounds represented by the following formula are disclosed. ##STR1## wherein R and R' are independently selected from alkyl groups containing 1.about.20 carbon atoms; X is --O--, --O--CO--O-- or direct bond; A.sub.1 and A.sub.2 are independently cyclic groups (such as phenylene and biphenylene), said cyclic groups may be substituted with 1.about.4 fluorine, chlorine or bromine atoms, or 1 or 2 substituent groups selected from the group consisting of cyano, nitro and trifluoromethyl groups; Y is --CO--O--, --O--CO--, --C.tbd.C--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.dbd.N--, --N.dbd.CH--, --N.dbd.N--, --CH.sub.2 S--, --SCH.sub.2 -- or direct bond; and * represents asymmetric atom providing optical activity.Type: GrantFiled: August 19, 1988Date of Patent: May 1, 1990Assignees: NEC Corporation, Sanyo Chemical Industries, Ltd.Inventors: Toyokazu Nakamura, Yuzi Kato, Shohei Naemura, Chizuka Tani, Masahiro Satoh, Kunikiyo Yoshio, Hiroshi Kishiki, Hiroshi Hoshino
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Patent number: 4918213Abstract: An optically active, generally mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 denotes an alkyl group having 1-18 carbon atoms, R.sub.2 denotes an alkyl group having 1-12 carbon atoms; X denotes a single bond, --O--, ##STR2## Y denotes a single bond, ##STR3## --CH.sub.2 O-- or --OCH.sub.2 --; Z denotes --OCH.sub.2 --, ##STR4## respectively denotes ##STR5## C* denotes an asymmetric carbon atom; k, m and n are respectively 0, 1 or 2 with proviso that k+m+n amounts to 2 or 3; and p is 1 or 2.Type: GrantFiled: July 25, 1988Date of Patent: April 17, 1990Assignee: Canon Kabushiki KaishaInventors: Hiroyuki Nohira, Masanao Kamei, Hideki Kanazawa, Yoko Yamada, Yuko Etoh
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Patent number: 4916156Abstract: The present invention relates to aromatic derivatives of the formula: ##STR1## in which: n represents an integer between 2 and 10;R.sub.1 and R.sub.2 are identical or different and represent a cycloalkyl containing 3 to 6 carbon atoms or an alkyl containing from 1 to 6 carbon atoms which is unsubstituted or substituted by a phenyl or benzyl group; orR.sub.1 and R.sub.2, together with the nitrogen atom to which they are bonded, form a heterocycle selected from pyrrolidin-1-yl, piperidino, azepin-1-yl, hexamethyleneimino, 4-methylpiperidino, 4-benzylpiperidino, 4-phenylpiperidino, 1,2,3,4-tetrahydroisoquinol-2-yl, morpholino and imidazol-1-yl groups;R.sub.3 represents a hydrogen, a halogen, a methyl or a phenyl;R.sub.4 represents a hydrogen, a halogen or a methyl; or R.sub.3 and R.sub.4, taken together with the benzene ring to which they are bonded, form a naphth-1-yl or naphth-2-yl group;Y represents a direct bond, a methyleneoxy group, a methylenethio group or a vinylene group; andR.sub.Type: GrantFiled: April 6, 1988Date of Patent: April 10, 1990Assignee: SanofiInventors: Madeleine Mosse, Vincenzo Proietto
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Patent number: 4877899Abstract: Sulfur-substituted alkenyl compounds, synthesis thereof, intermediates therefor, and the use of the compounds to control pests.Type: GrantFiled: November 23, 1983Date of Patent: October 31, 1989Assignee: Sandoz Ltd.Inventors: Robert L. Carney, Thomas L. Brown
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Patent number: 4870127Abstract: Novel acid-functional poly(alkylene carbonate) polyahls and their salts having surfactant activities are disclosed. These polyahls have, on the average, at least about 0.05 and up to about and including one hydrophilic terminus per molecule and can be produced by the reaction of a random non-ionic poly(alkylene carbonate) polyahl obtained by reacting a monofunctional alcohol, mercaptan, carboxylic acid, primary or secondary amine, alkyl substituted phenol or alkoxylates thereof with an alkylene carbonate and/or an alkylene oxide and/or carbon dioxide and/or a poly(alkylene carbonate) polyahl, and admixing a compound capable of adding an acidic end group thereto. Novel anionic poly(alkylene carbonate) polyahls are also disclosed. Surfactant compositions comprising the acid-functional polyahls of the invention and other non-ionic surfactants are also disclosed. Moreover, surfactant compositions comprising the novel acid-functional polyahls and other anionic surfactants are also disclosed.Type: GrantFiled: February 16, 1988Date of Patent: September 26, 1989Assignee: The Dow Chemical CompanyInventor: Robert F. Harris
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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
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Patent number: 4851426Abstract: Novel esters of the general formula ##STR1## in which ##STR2## is the acyl residue of a non-steroidal anti-inflammatory compound containing a carboxylic acid function. The novel esters are prepared by reacting an acide R--COOH when R is as above, with 1-haloethyl ethyl carbonate. There are also provided pharmaceutical compositions containing any of the said novel esters.Type: GrantFiled: February 12, 1986Date of Patent: July 25, 1989Assignee: Teva Pharmaceutical Industries, Ltd.Inventors: David Ladkani, Haim Yellin, Ben Z. Weiner, David Avnir
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Patent number: 4849170Abstract: A composition of matter for inhibition of stress corrosion stainless steels in contact with aqueous and/or polar organic solutions which contain chloride ions and optionally cuprous ions, comprising an aqueous or polar organic solution of a member selected from the group consisting of quaternary ammonium alkylcarbonates and quaternary ammonium benzylcarbonates having the general formula: ##STR1##Type: GrantFiled: September 20, 1988Date of Patent: July 18, 1989Assignee: Enichem Sintesi S.p.A.Inventors: Franco Mizia, Franco Rivetti, Ugo Romano, Luigi Rivola, Giuseppe Civardi
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Patent number: 4792417Abstract: A composition of matter for inhibition of stress corrosion of stainless steels in contact with aqueous and/or polar organic solutions which contain chloride ions and optionally cuprous ions, comprising an aqueous or polar organic solution of a member selected from the group consisting of quaternary ammonium alkylcarbonates and quaternary ammonium benzylcarbonates having the general formula: ##STR1##Type: GrantFiled: December 19, 1986Date of Patent: December 20, 1988Assignee: Enichem Sintesi S.p.A.Inventors: Franco Mizia, Franco Rivetti, Ugo Romano, Luigi Rivola, Giuseppe Civardi
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Patent number: 4785130Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol and carbon monoxide in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and boron trifluoride, calcium chloride, benzyltriethylammonium chloride, etc. as promoters.Type: GrantFiled: September 20, 1984Date of Patent: November 15, 1988Assignee: Texaco Inc.Inventor: Ajit K. Bhattacharya
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Patent number: 4772583Abstract: Described is the novel compound genus the beta-alkylidene phenethyl alcohol esters and ethers of our invention defined according to the generic structure: ##STR1## wherein R.sub.5 represents hydrogen or methyl; wherein R.sub.6 represents one of the moieties: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents the same or different hydrogen or methyl; wherein R.sub.7 represents methyl or ethyl; and wherein R.sub.8 represents hydrogen or methyl; useful in augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener articles, fabric softener compositions, cosmetic powders and hair preparations.Type: GrantFiled: December 18, 1987Date of Patent: September 20, 1988Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Robert P. Belko, Richard M. Boden, Marie R. Hanna
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Patent number: 4737313Abstract: Novel ferroelectric liquid crystals exhibiting a chiral smectic C phase and liquid crystal compositions containing the same are provided, which liquid crystals are substituted biphenyl esters expressed by the general formula ##STR1## wherein R.sub.1 * represents an optically active alkyl group of 4 to 18 carbon atoms; ##STR2## represents ##STR3## or ##STR4## Z represents R.sub.2, R.sub.2 CO or R.sub.2 COO wherein R.sub.2 represents an alkyl group or an alkoxy group each of 1 to 18 carbon atoms; and X and Y each represent hydrogen atom (H), bromine atom (Br), chlorine atom (Cl), fluorine atom (F) or cyano group (CN), and either one of X or Y is always hydrogen atom.Type: GrantFiled: August 8, 1986Date of Patent: April 12, 1988Assignee: Chisso CorporationInventors: Shinichi Saito, Hiromichi Inoue, Kanetsugu Terashima, Takashi Inukai, Kenji Furukawa
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Patent number: 4715882Abstract: The invention relates to certain substituted phenoxypropionaldehyde derivatives, formulations of said derivatives and the use thereof for preemergence or postemergence control of noxious plants, i.e., weeds.Type: GrantFiled: October 15, 1986Date of Patent: December 29, 1987Assignee: PPG Industries, Inc.Inventor: Muppala S. Raju