Benzene Ring Attached Indirectly To The Sulfonate Group By Acyclic Nonionic Bonding Patents (Class 562/41)
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Patent number: 6667345Abstract: Derivatives of C2-substituted indan-1-ol compounds of the formula I: its physiologically acceptable salts, and its physiologically functional derivatives for the prophylaxis or treatment of obesity are disclosed herein. Compositions comprising the same, methods for preparing the instant compounds, and methods for reducing weight in mammals and for the prophylaxis or treatment of obesity are also described.Type: GrantFiled: August 29, 2002Date of Patent: December 23, 2003Assignee: Aventis Pharma Deutschland GmbHInventors: Gerhard Jaehne, Volker Krone, Martin Bickel, Matthias Gossel
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Patent number: 6617157Abstract: Methods and compositions for selectively modifying nucleic acid molecules in biological compositions, including contacting the composition with an inactivating agent having the formula: where each of R1, R2, R3, R4, R6, R7, and R8 is, independently, H or a monovalent hydrocarbon moiety containing between 1 and 4 carbon atoms, inclusive, provided that R1, R2, R3, R4, R6, R7, and R8 cannot all be H; R5 is a divalent hydrocarbon moiety containing between 2 and 4 carbon atoms, inclusive; X is a pharmaceutically acceptable counter-ion; and n is an integer between 2 and 10, inclusive are disclosed.Type: GrantFiled: December 16, 1998Date of Patent: September 9, 2003Assignee: V.I. Technologies, Inc.Inventors: Edward I. Budowsky, Samuel K. Ackerman, Andrei A. Purmal, Clark M. Edson
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Patent number: 6605740Abstract: This invention provides a new class of squaraine dyes having moieties which serve for the covalent attachment to biological substrates and resulting in the fluorescent labeling of the substrates. The labeled substrates are intended for use in analytical techniques for the detection and measurement of biological and clinical compounds of interest.Type: GrantFiled: April 2, 2001Date of Patent: August 12, 2003Inventor: Spyros Theodoropulos
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Publication number: 20030144545Abstract: Processes for making particularly branched, especially monomethyl-branched or nongeminal dimethyl-branched surfactants used in cleaning products; preferred processes comprising particular combinations of two or more adsorptive separation steps and, more preferably, particular alkylation steps; products of such processes, including certain modified alkylbenzenes, modified alkylbenzenesulfonate surfactants, and consumer cleaning products, especially laundry detergents, containing them. Preferred processes herein more specifically use specific, unconventional sequences of sorptive separation steps to secure certain branched hydrocarbon fractions which are used in further process steps as alkylating agents for arenes or for other useful surfactant-making purposes. Surprisingly, such fractions can even be derived from effluents from current linear alkylbenzene manufacture.Type: ApplicationFiled: November 26, 2002Publication date: July 31, 2003Applicant: The Procter & Gamble CompanyInventors: Daniel Stedman Connor, Jeffrey John Scheibel, James Charles Theophile Roger Burckett-St. Laurent, Thomas Anthony Cripe, Kevin Lee Kott, Phillip Kyle Vinson
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Patent number: 6590100Abstract: The present invention provides a process for preparing a polyaromatic compound comprising at least one sequence of two aromatic rings. The process of the invention, which consists in reacting an aromatic compound bearing a leaving group and an arylboronic acid and/or its derivatives in the presence of a base and an effective amount of a nickel catalyst, is characterized in that the reaction is conducted in a reaction solvent which is water optionally in a mixture with an organic solvent and in the presence of an effective amount of a catalyst based on nickel with at least one water-soluble phosphine ligand.Type: GrantFiled: May 15, 2002Date of Patent: July 8, 2003Assignee: Rhodia ChimieInventors: Jean-Christophe Galland, Monique Savignac, Jean-Pierre Genet
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Publication number: 20030018207Abstract: The present invention relates to certain phenalkyloxy-phenyl derivatives of formula (I) and analogs, to a process for preparing such compounds, having the utility in clinical conditions associated with insulin resistance, to methods for their therapeutic use and to pharmaceutical compositions containing them.Type: ApplicationFiled: June 3, 2002Publication date: January 23, 2003Inventors: Jonas Fagerhag, Lanna Li, Eva-Lotte Linstedt Alstermark
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Patent number: 6458966Abstract: Various classes of dyes are provided having acid, ester or amide groups for covalent linking to biomolecules. The dyes may be prepared by use of a compound of formula (I) where R1 comprises a linker and a carboxy including acid, salt, ester including N-hydroxysuccinimide, activated ester or amide group; R2, R3, R4 and R5 are H, C1-C10 alkyl or aralkyl or a group to modify solubility or electronic or spectral properties or a functional linking group: or R4-R5 and/or R2-R4 and/or R2-R3 are linked to form an extended ring system; and R6 is H or CHO or NO.Type: GrantFiled: April 24, 2000Date of Patent: October 1, 2002Assignee: Nycomed Amersham plcInventors: John Griffiths, John Mama, Valerie Millar, Mark Briggs, Alan Hamilton
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Patent number: 6448347Abstract: Amidoalkanesulfonic acids are prepared by reacting a molar excess of an unsaturated nitrile, a source of SO3, and an olefin, in a substantially non-aqueous medium, and transferring the crude reaction product containing amidoalkanesulfonic acid, without substantial purification steps, into an apparatus for incorporation of the amidoalkanesulfonic acid into a copolymer.Type: GrantFiled: October 22, 1999Date of Patent: September 10, 2002Assignee: The Lubrizol CorporationInventors: Robert E. Quinn, William Michael Burk
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Publication number: 20020032330Abstract: A propionic acid derivative having the following formula (II) and its salt: 1Type: ApplicationFiled: March 28, 2001Publication date: March 14, 2002Inventors: Yutaka Nomura, Shogo Sakuma, Seiichiro Masui
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Patent number: 6353128Abstract: A class of novel phenyl acetamides is disclosed together with the use of such compounds for inhibiting sPLA2 mediated release of fatty acids for treatment of conditions such as septic shock.Type: GrantFiled: November 24, 1997Date of Patent: March 5, 2002Assignee: Eli Lilly and CompanyInventors: Theodore Goodson, Jr., Richard Waltz Harper, David Kent Herron
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Publication number: 20010011142Abstract: The present application relates to a series of novel sulfonic acid metal cation salts of the formula 1Type: ApplicationFiled: February 15, 2000Publication date: August 2, 2001Inventor: Douglas Patton Kjell
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Patent number: 6211197Abstract: Compounds and methods for treating prostaglandin mediated diseases, and certain pharmaceutical compositions thereof are disclosed. The compounds are represented by formula II: Ar1—W—Ar2—X—Q II The compounds of the invention are structurally different from NSAIDs and opiates, and are antagonists of the pain and inflammatory effects of E-type prostaglandins.Type: GrantFiled: October 4, 1999Date of Patent: April 3, 2001Assignee: Merck Frosst Canada & Co.Inventors: Michel Belley, Marc Labelle, Nicholas Lachance, Michel Gallant, Nathalie Chauret, Laird A. Trimble, Chun Li
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Patent number: 6187169Abstract: A procedure for the generation of organosulfonic acids from solutions of corresponding metal organosulfonate compounds by electrowinning, electrolytically driven hydrolysis or chemically driven hydrolysis is described. Appropriate organosulfonate compounds include the water soluble salts of alkanesulfonic and aromatic sulfonic acids which incorporate metals from Group VIB, VIIB, VIIIB, IB, IIB or VA of the periodic table. The electrowinning and electrolytic techniques described can be applied in divided or undivided cells and can be operated in continuous fashion to provide the greatest efficiency. Hydrolysis based methods can employ either anodic oxidation or oxidation both of which function to oxidize the metal cation(s) present to hydrolytically unstable higher oxidation states.Type: GrantFiled: April 8, 1999Date of Patent: February 13, 2001Assignee: ATOFINA Chemicals, Inc.Inventors: Michael D. Gernon, Nicholas M. Martyak, Martin Nosowitz, Gary S. Smith
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Patent number: 6043391Abstract: New anionic surfactants and methods of preparation which are derived from aromatic or substituted aromatic molecules and alkenesulfonic acid. Wherein the aryl compound is alkylated and sulfonated in one-step with an alkene sulfonic acid prior to sulfonic acid neutralization. The methods allow the functional sulfonate group to be attached to the end of the alkyl chain rather than to the aromatic ring thus allowing for selective substituted groups, either branched, linear or alkoxylated or combinations thereof to be placed on the aryl compound prior to sulfonation and alkylation.Type: GrantFiled: January 20, 1998Date of Patent: March 28, 2000Inventors: Paul D. Berger, Christie H. Berger, Iris K. Hsu
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Patent number: 5952524Abstract: The present invention provides a process for the production of a compound of formula: ##STR1## in which X and Y, independently, are hydrogen, halogen, NO.sub.2, CF.sub.3, CN, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, COO--C.sub.1 -C.sub.4 alkyl, CO--C.sub.1 -C.sub.4 alkyl, NH--(C.sub.1 -C.sub.4 alkyl), N(C.sub.1 -C.sub.4 alkyl).sub.2, NH(C.sub.1 -C.sub.4 alkyl-OH), N(C.sub.1 -C.sub.4 alkyl-OH).sub.2, COOH or SO.sub.3 H or an ester or amide thereof, or COOM or SO.sub.3 M in which M is Na, K, Ca, Mg, ammonium, mono-, di-, tri- or tetra-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-hydroxyalkylammonium or ammonium that is di- or tri-substituted with a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups;Z is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3, halogen (F, Cl, Br, I), SO.sub.3 H or SO.sub.Type: GrantFiled: April 23, 1998Date of Patent: September 14, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Victor Eliu, Werner Kanert, Adriano Indolese, Ian John Fletcher, Julia Volkel, Anita Schnyder
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Patent number: 5912270Abstract: This invention relates to the novel pharmaceutical compositions of Formulas (I) and (II) each of which comprises a compound of Formula (I) or (II) and a pharmaceutically acceptable diluent or carrier. This invention also relates to a method of treating or reducing inflammation in a mammal in need thereof, which comprises administering to said mammal an effective amount of a compound or composition of Formula (I) or (II).Type: GrantFiled: November 22, 1996Date of Patent: June 15, 1999Assignees: SmithKline Beecham Corporation, The Johns Hopkins UniversityInventors: James Scott Dixon, Ralph Floyd Hall, Lisa Ann Marshall, Floyd H. Chilton, III, Ruth Judik Mayer, James David Winkler
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Patent number: 5817861Abstract: A process for the preparation of (S)-N,N'-bis?2-hydroxy-1-(hydroxymethyl)ethyl!-5-(2-acetoxy-propionylamino )-2,4,6-triiodo-isophthalamide, an intermediate useful for the synthesis of iopamidol, by reaction between L-5-(2-acetoxy-propionylamino)-2,4,6-triiiodoisophthaloyl dichloride and 2-amino-1 ,3-propanediol in N-methylpyrrolidone and in the presence of a base, is described.Type: GrantFiled: March 21, 1997Date of Patent: October 6, 1998Assignee: Bracco International BVInventors: Marco Villa, Antonio Nardi, Maurizio Paiocchi
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Patent number: 5763610Abstract: A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a subterranean formation are provided. The nitrogen-containing olefinic compound can be made from an amine and an alkylating agent. The polymer produced can be used in drilling fluids, workover fluids, completion fluids, permeability corrections, water or gas coning prevention, fluid loss prevention, matrix acidizing, fracture acidizing, and combinations of any two or more thereof.Type: GrantFiled: February 21, 1997Date of Patent: June 9, 1998Assignee: Phillips Petroleum CompanyInventors: Iqbal Ahmed, Ahmad Moradi-Araghi, Odd Ivar Eriksen
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Patent number: 5663204Abstract: This invention relates to compounds of formula (I), in which R denotes a hydrogen atom or a methoxy radical. The invention also concerns the salts of said compounds, their racemic forms, their enantiomers, the preparation of said derivatives and drugs containing same.Type: GrantFiled: March 10, 1995Date of Patent: September 2, 1997Assignee: Rhone-Poulenc Rorer S.A.Inventors: Marie-Christine Dubroeucq, Claude Guyon
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Patent number: 5523469Abstract: This invention relates to levogyral isomers of alkylammonium (amino-3 phenyl)-1 ethanesulphonate derivatives of formula (I) in which R+ denotes a tetraalkylammonium or trialkylphenylalkylammonium residue. The invention also concerns the preparation and use of said derivatives.Type: GrantFiled: March 10, 1995Date of Patent: June 4, 1996Assignee: Rhone-Poulenc Rorer S.A.Inventor: Claude Guyon
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Patent number: 5510510Abstract: Inhibition of farnesyl transferase, which is an enzyme involved in ras oncogene expression, and inhibition of cholesterol biosynthesis, are effected by compounds of the formula ##STR1## their enantiomers, diastereomers, and pharmaceutically acceptable salts, prodrugs, and solvates, wherein:x is --ONR.sup.1 C(O)--, --N(OR.sup.1)C(O)--, --NR.sup.1 C(O)--, --C(O)NR.sup.1 --, --NR.sup.1 S(O.sub.2)--, --C(O)O--, --OC(O)--, --C(O)--, --O--, --NR.sup.1 -- or --(S).sub.q --;Y is --CO.sub.2 R.sup.2, --SO.sub.3 R.sup.2 or --P(O) (OR.sup.2) (R.sup.3);R is alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkenylene or aryl;R.sup.3 is --(O).sub.t R.sup.4 ;R.sup.1, R.sup.2 and R.sup.4 are each independently hydrogen, alkyl, aryl or aralkyl;m and n are each independently 0 or an integer from 1 to 5;p and t are each independently 0 or 1; andq is an integer from 1 to 2.Type: GrantFiled: June 28, 1994Date of Patent: April 23, 1996Assignee: Bristol-Meyers Squibb CompanyInventors: Dinesh V. Patel, Scott A. Biller
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Process for preparing optically active 4-mercapto-2-pyrrolidone derivative and intermediate therefor
Patent number: 5495012Abstract: A process for preparing an optically active 4-mercapto-2-pyrrolidone derivative of the formula [I]: ##STR1## wherein R.sup.1 is a hydrogen atom or a protecting group and R.sup.2 is a hydrogen atom or a protecting group, which comprises subjecting racemic 4-amino-3-mercaptobutyric acid or a salt thereof to optical resolution by using 1-(trichlorophenyl)ethanesulfonic acid, followed by subjecting the product to cyclization reaction after protecting the functional groups thereof, if necessary, and further optionally removing the protecting groups therefrom. The present process is industrially advantageous than conventional processes for preparing optically active 4-mercapto-2-pyrrolidone derivatives which are useful as an intermediate for various medicines such as carbapenem antibacterial agents.Type: GrantFiled: March 24, 1995Date of Patent: February 27, 1996Assignee: Tanabe Seiyaku Co., Ltd.Inventors: Tameo Iwasaki, Kazuhiko Kondo, Tadashi Nakatani, Ryuzo Yoshioka -
Patent number: 5493050Abstract: In one embodiment, the present invention relates to novel two tail--two head and two tail--one head surfactants. In one embodiment, the present invention comprises a novel composition of matter having the general formula: ##STR1## wherein R1 and R2 may be the same or different and are selected from linear or branched hydrocarbon chains with from 6 to 22 carbon atoms;R3 is H, SO.sup.13.sub.y M.sup.+, or --O(CH2CH2O).sub.n X;R4 is SO.sup.--.sub.y M.sup.+, or --O(CH2CH2O).sub.n X;M is H, Li, Na, K, Rb or Cs;n is an integer from 2 to 50;y is 3 or 4; and,X is H or SO.sup.13.sub.y M.sup.+.Preferably, in the above composition when R3 is other than H, R3=R4.Type: GrantFiled: March 14, 1995Date of Patent: February 20, 1996Assignee: Exxon Research and Engineering CompanyInventors: Ramesh Varadaraj, Stephen Zushma
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Patent number: 5491257Abstract: The present invention provides a compound which has a fluoroalkyl group, a lipophilic group (an alkyl group) and a hydrophilic group in the same molecule.Type: GrantFiled: March 15, 1994Date of Patent: February 13, 1996Assignee: Daikin Industries, Ltd.Inventor: Norio Yoshino
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Patent number: 5470882Abstract: This invention relates to the novel pharmaceutical compositions of Formulas (I) and (II) each of which comprises a compound of Formula (I) or (II) and a pharmaceutically acceptable diluent or carrier.This invention also relates to a method of treating or reducing inflammation in a mammal in need thereof, which comprises administering to said mammal an effective amount of a compound or composition of Formula (I) or (II).Type: GrantFiled: June 2, 1994Date of Patent: November 28, 1995Assignee: SmithKline Beecham Corp.Inventors: James S. Dixon, Raplh F. Hall, Lisa A. Marshall, Floyd H. Chilton, III, Ruth J. Mayer, James D. Winkler
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Patent number: 5364876Abstract: The present invention pertains to antagonists of excitatory amino acid receptors, their method of preparation as well as compositions pertaining to them, which have the general formula: ##STR1## wherein m and n are independently 0,1,2, or 3: R1 and R2 are selected from the group consisting of hydrogen, halogen, halomethyl, nitro, amino, alkoxy, hydroxyl, hydroxymethyl, C1 to C6 lower alkyl, C7 to C12 higher alkyl, aryl and aralkyl; Z is a monoacidic radical; R3 is selected from the group consisting of hydrogen, and C1 to C6 lower alkyl; the stereoisomers thereof in their resolved or racemic form, and pharmaceutically acceptable salts thereof. In a preferred embodiment m is 2 or 3 and n is 1.Type: GrantFiled: December 2, 1992Date of Patent: November 15, 1994Assignee: Guilford Pharmaceuticals Inc.Inventor: Gregory S. Hamilton
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Patent number: 5329054Abstract: Activated carboxylic acids and esters such as pentafluorobenzoic acid are rapidly decarboxylated in high yields by reacting the acid or ester with an alkanolamine reagent which catalyzes the reaction.Type: GrantFiled: July 19, 1993Date of Patent: July 12, 1994Assignee: Albemarle CorporationInventors: Kevin J. Theriot, Niomi L. Krzystowczyk, Yueh-Dong Chen, Edward A. Burt, Lawrence H. Shepherd, Jr.
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Patent number: 5210257Abstract: Novel aryl ethers, containing both a carboxylic acid and a sulfonic acid functionality; and a process for making them are described. These difunctional aryl compounds comprise:i) a carboxylic acid group or its derivative,ii) a first aromatic group bonded to the carboxylic acid or its derivative,iii) a second aromatic group linked to the first aromatic group by a non-electron-withdrawing moiety,iv) a third aromatic group linked to the second aromatic group by a non-electron-withdrawing moiety, andv) a sulfonyl group or its derivative bonded to the third aromatic group.Type: GrantFiled: April 12, 1991Date of Patent: May 11, 1993Assignee: The Dow Chemical CompanyInventor: William J. Harris
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Patent number: 5120872Abstract: A compound of the formula ##STR1## in which R.sub.1 and R.sub.2 independently of one another are each C.sub.1 -C.sub.10 alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyano or halogen, C.sub.5 -C.sub.7 cycloalkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 alkoxy, or phenyl or naphthyl which both are unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, benzoylamino, halogen or sulfo, R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.10 alkyl which is unsubstituted or substituted by hydroxyl, C.sub.1 -C.sub.4 alkoxy, phenyl, sulfo, sulfato, thiosulfato, cyano or halogen, C.sub.1 -C.sub.10 alkoxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkoxy, or phenoxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.Type: GrantFiled: December 3, 1990Date of Patent: June 9, 1992Assignee: Ciba-Geigy CorporationInventors: Harald Walter, Rudolf Hurter
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Patent number: 5108631Abstract: Overbased salt compositions are formed by reacting a hydreocarbyl substituted sulfonic acid or salt thereof with a basic neutralizing agent, in the presence of a hydroxy sulfonic acid or salt thereof. The overbased salt composition is preferably overbased by casrbonating via CO.sub.2 bubbling. Mixed overbased salts and compositions containing the mixed salts are disclosed as well as lubricating compositions containing such salts. The lubricating compositions have particularly good clarity.Type: GrantFiled: September 18, 1990Date of Patent: April 28, 1992Assignee: The Lubrizol CorporationInventors: Daniel E. Barrer, Jack L. Karn
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Patent number: 5041630Abstract: Well cement slurries, water soluble dispersants therefor and methods of producing the dispersants are provided. The dispersants prevent high initial cement slurry viscosities and friction losses when the slurries are pumped, and are comprised of water soluble sulfoalkylated naphthols in which the naphthol molecules are alkylated with at least one group having the formula --C(R).sub.2 --SO.sub.3 M wherein R is selected from hydrogen and alkyl radicals containing from 1 to 5 carbon atoms and M is an alkali metal.Type: GrantFiled: March 12, 1990Date of Patent: August 20, 1991Assignee: Phillips Petroleum CompanyInventors: Bharat Patel, Michael Stephens
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Patent number: 5011983Abstract: Omega-chlorosulfonyl perfluoroalkanesulfonates and omega-fluorosulfonyl perfluoroalkane sulfonates. These compounds can be used to prepare esters, amides, or latent catalysts for the polymerization of cationically-sensitive monomers. The .omega.-chlorosulfonyl perfluoroalkanesulfonates can be reacted with ethylenically unsaturated compounds to incorporate hydrophilic perfluoroalkanesulfonate groups into the ethylenically unsaturated compound.Type: GrantFiled: January 23, 1987Date of Patent: April 30, 1991Assignee: Minnesota Mining and Manufacturing CompanyInventor: Fred E. Behr
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Patent number: 4992589Abstract: Compounds of the formula (1) ##STR1## in which X denotes a sulfur atom or the group ##STR2## in which R denotes a hydrogen atom, an alkylene-C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.6 - or alkyl-C.sub.1 -C.sub.6 - group, each of which can be substituted by hydroxyl, sulfo, carboxyl or cyano groups, R.sub.1 denotes a hydrogen atom or an alkyl-C.sub.1 -C.sub.6 -group which can be substituted by --SO.sub.3 M or COOM groups (where M denotes an H, Li, Na, K or Ca atom), hydroxyl, amino, methylamino, acetylamino, alkyl-C.sub.1 -C.sub.4 -sulfonylamino, methoxy, ethoxy, .beta.-hydroxyethylsulfonyl, phenyl, monosulfophenyl, disulfophenyl, or 4-[.beta.-hydroxyethylsulfonyl]-2-sulfophenyl groups, or represents a phenyl or naphthyl group, each of which can be substituted by --SO.sub.3 M or COOM groups (where M denotes an H, Li, Na, K or Ca atom), alkyl-C.sub.1 -C.sub.4 -, alkoxy-C.sub.1 -C.sub.4 -, amino, methylamino, alkyl-C.sub.1 -C.sub.4 -sulfonylamino or acetylamino groups, and R.sub.Type: GrantFiled: August 10, 1988Date of Patent: February 12, 1991Assignee: Hoechst AktiengesellschaftInventors: Hermann Fuchs, Theodor Papenfuhs, Werner Brodt, Folker Kohlhaas
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Patent number: 4990637Abstract: Herbicidally active novel substituted 1-benzylsulphonyl-3-heteroaryl(thio)-ureas of the formula ##STR1## in whichQ.sub.1 represents oxygen or sulphur,R.sup.1 represents hydrogen, or represents optionally substituted radicals from the series comprising alkyl, alkenyl, alkynyl and aralkyl,R.sup.2 represents hydrogen, halogen, hydroxyl, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, halogenoalkylthio, amino, alkylamino or dialkylamino,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents halogenoalkyl,X represents nitrogen or a --CH grouping,Y represents nitrogen or a --CR.sup.5 grouping,R.sup.5 represents hydrogen, halogen, cyano, alkyl, formyl, alkyl-carbonyl or alkoxy-carbonyl,Z represents nitrogen or a --CR.sup.6 grouping, andR.sup.6 represents hydrogen, halogen, hydroxyl, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, alkylamino or dialkylamino,and salts thereof with metals and basic organic nitrogen compounds. The benzylsulphonyl moieties are also new.Type: GrantFiled: January 30, 1990Date of Patent: February 5, 1991Assignee: Bayer AktiengesellschaftInventors: Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Ernst Kysela, Hans-Joachim Santel, Robert R. Schmidt, Robert H. Strang
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Patent number: 4987250Abstract: Hydroxy sulfonic acids in general and isethionic acid (2-hydroxy ethyl sulfonic acid) in particular can be prepared at 99+% purity and good yields by the selective oxidation of a precursor hydroxy mercaptan with hydrogen peroxide. The resulting product is pure enough to be used directly in the synthesis of sulfo-acrylic esters which are finding considerable use as stabilizers in producing vinylidene chloride copolymers used for FDA approved packaging films.Type: GrantFiled: January 19, 1989Date of Patent: January 22, 1991Assignee: Union Oil Company of CaliforniaInventors: Dennis E. McGee, Ted S. Hallen
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Patent number: 4921543Abstract: A process for the preparation of a liquifier for mineral binding agents comprising condensing a member of a group consisting of naphthalene sulfonic acid and alkyl naphthalene sulfonic acids with formaldehyde or a formaldehyde precursor in a highly acidic solution until a viscosity of 4,000 to 8,000 mPas is reached, adding water periodically to reduce the viscosity of the mixture until the condensation is complete and neutralizing the mixture to obtain a water-soluble condensation product and the liquifier produced thereby and mineral binding agents containing the same.Type: GrantFiled: August 24, 1988Date of Patent: May 1, 1990Assignee: Rutgerswerke AGInventors: Jafar Omran, Arnold Alscher
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Patent number: 4885404Abstract: Disclosed is a process for the production of acids of the formula ##STR1## wherein R is 2-fluoro-4-(1,1'-biphenyl), 4-(2-methylpropyl)phenyl, 6-methoxy-2-napthyl, 3-benzophenyl, 4-(2-thienylcarbonyl)-phenyl or 7-chlorocarbazole-3-yl which comprises contacting an organometallic compound of the formula R--M--R.sub.Type: GrantFiled: March 6, 1987Date of Patent: December 5, 1989Assignee: The Upjohn CompanyInventor: Peter G. M. Wuts
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Patent number: 4876047Abstract: 2-acrylamido 2-methyl propane sulphonic acid and other acrylamido-alkane sulphonic acids are made by reacting a compound such as t-butanol, t-butyl acetate or t-butyl methyl ester with a sulphonating agent in the absence of water, and then with a nitrile and water.Type: GrantFiled: December 17, 1987Date of Patent: October 24, 1989Assignee: Allied Colloids LimitedInventors: Gerald Benn, David Farrar, Peter Flesher
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Patent number: 4861916Abstract: Compounds of the general formula I ##STR1## wherein Z is CR.sup.1 R.sup.2 (OR.sup.3) or phenyl,R.sup.1 being H, C.sub.1-6 -alkyl or phenyl,R.sup.2 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy andR.sup.3 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkanoyl andZ' is Y--[(CH.sub.2).sub.m --X].sub.n --,X being CH.sub.2 or 0,Y being OH; COOH or SO.sub.3 H including the alkali metal, alkaline earth metal or ammonium salts thereof and also the salts thereof with organic nitrogen bases; or NRR' in which R and R' are in each case H, C.sub.1-20 -alkyl or C.sub.1-4 -hydroxyalkyl, if appropriate quaternized or in the form of the acid addition salts, andn and m each being the numbers 1-4,are excellently suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds, in particular in aqueous systems.Type: GrantFiled: December 3, 1986Date of Patent: August 29, 1989Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Manfred Kohler, Jorg Ohngemach, Gregor Wehner, Jurgen Gehlhaus
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Patent number: 4852989Abstract: This invention relates to bleaching compounds and compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. The bleaching compounds of the invention yield a peroxyacid with a polar amide link in the hydrophobic chain when used in the bleaching compositions. In a preferred embodiment, the bleaching compositions of the invention are also detergent compositions.Type: GrantFiled: May 8, 1987Date of Patent: August 1, 1989Assignee: The Procter & Gamble CompanyInventors: Michael E. Burns, Frederick E. Hardy