Oxy Containing Patents (Class 568/413)
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Patent number: 8952192Abstract: Provided are compositions and methods for modulating quorum sensing in microbes. The compounds are AI-2 analogs and as such have structures similar to 4,5-dihydroxy-2,3-pentanedione that can act as agonists/antagonists of quorum sensing. The compounds are useful for modulating quorum sensing in bacteria and can be used in methods for prophylaxis or therapy of bacterial infections and for reduction of biofilms.Type: GrantFiled: March 26, 2012Date of Patent: February 10, 2015Assignee: University of Maryland, College ParkInventors: Herman O. Sintim, William E. Bentley, Varnika Roy, Jacqueline Smith, Reza Ghodssi, Mariana Tsacoumis Meyer
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Publication number: 20140219967Abstract: Animal feed conversion ratio can be increased and blood glucose levels can be decreased by feeding an efficacious amount of dispersible amorphous poly(3-hydroxybutyrate/3-hydroxyvalerate).Type: ApplicationFiled: December 27, 2013Publication date: August 7, 2014Applicant: Kemin Industries, Inc.Inventors: Eric Peys, Jan Vandenkerckhove, Johan Van hemel, Inge Peters
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Publication number: 20140141284Abstract: A compound of Formula (I) includes: [L]1-[N]n—OCH2CF2O(CF2CF2O)p(CF2O)qCF2CH2O—[M]m, where L is selected from the group consisting of (AA) M is selected from the group consisting of (BB) and N is (CC) where R1, R2, and R3 may be the same or different, and are selected from the group consisting of hydroxyl, phenyl, piperonyl, carboxylic acid, amide, 2,3-di-hydroxy-1-propoxyl, acetamide, methacrylate, methyl methacrylate and glycidyl ether; and where 1=0, 1, or 2, m=0, 1, or 2, n=1 or 2, and the ratio of p to q is from about 0.1 to 3.0.Type: ApplicationFiled: June 7, 2011Publication date: May 22, 2014Applicant: SEAGATE TECHNOLOGY LLCInventors: Jiping Yang, Michael Joseph Stirniman
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Publication number: 20140130713Abstract: Partially fluorinated ketones are provided that include a terminal alkyl group having from 1 to 6 carbon atoms bonded to a carbonyl group and a hydrofluoroether moiety having from 2 to 4 carbon atoms that contains at least one hydrogen substituent. The hydrofluoroether moiety is bonded to the carbonyl group with a carbon-carbon bond. The ether oxygen is bonded to a carbon atom that is at least two carbon atoms removed from the carbonyl group. Additionally, a fluorinated alkyl group having from 1 to 10 carbon atoms is bonded to the ether oxygen of the hydrofluoroether moiety. These partially fluorinated ketones can be used in a wide variety of electronics applications.Type: ApplicationFiled: May 22, 2012Publication date: May 15, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael G. Costello, Michael J. Bulinski, Richard M. Flynn
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Publication number: 20130303466Abstract: Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention.Type: ApplicationFiled: October 18, 2011Publication date: November 14, 2013Applicant: ELCELYX THERAPEUTICS, INC.Inventors: Martin R. Brown, Christopher R.G. Jones, Nigel R.A. Beeley, Alain D. Baron
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Publication number: 20120294900Abstract: Provided are compositions and methods for modulating quorum sensing in microbes. The compounds are AI-2 analogs and as such have structures similar to 4,5-dihydroxy-2,3-pentanedione that can act as agonists/antagonists of quorum sensing. The compounds are useful for modulating quorum sensing in bacteria and can be used in methods for prophylaxis or therapy of bacterial infections and for reduction of biofilms.Type: ApplicationFiled: March 26, 2012Publication date: November 22, 2012Applicant: UNIVERSITY OF MARYLAND, COLLEGE PARKInventors: Herman Sintim, William E. Bentley, Varnika Roy, Jacqueline Smith
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Publication number: 20120213766Abstract: This invention relates to novel compounds with anticancer activity isolated from Vernonia guineensis (Asteraceae) having chemotherapeutic activity against abnormal cell growth such as cancers. The invention also relates to pharmaceutical compositions containing the compounds and to methods of treating abnormal cell growth such as cancer, including combination therapies thereof.Type: ApplicationFiled: February 22, 2011Publication date: August 23, 2012Inventors: Ngeh Joseph Toyang, Aloysius Nkwain Toyang, Theresia Ngoin Toyeng
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Patent number: 8193393Abstract: Fluoroether diketones are provided that can be useful in apparatuses that includes a device and a mechanism for transferring heat. The provided fluoroether diketones are stable at temperatures above 175° C., are environmentally friendly, and are economical to produce. The provided apparatuses can be useful for vapor phase soldering of electronic devices.Type: GrantFiled: March 26, 2010Date of Patent: June 5, 2012Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello, Michael J. Bulinski, Daniel R. Vitcak, Phillip E. Tuma
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Publication number: 20120108726Abstract: The invention relates to polyketone compounds and the at least partially hydrogenated products thereof, the use of said polyketone compounds and/or the at least partially hydrogenated products thereof as plasticizers, processes of making polyketone compounds and the at least partially hydrogenated products thereof, compositions comprising the polyketone compounds and/or the at least partially hydrogenated products thereof, and to articles formed from products of the invention.Type: ApplicationFiled: January 6, 2012Publication date: May 3, 2012Inventors: Allen D Godwin, Kenneth J. Buturla, Karla S. Colle, Gabor Kiss, Kirk C. Nadler, Abhimanyu O. Patil, Edris Eileen Pike, Ramzi Y. Saleh, Jon E. Stanat, Manika Varma-Nair, Stephen Zushma
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Patent number: 8129570Abstract: The present invention relates to a process for the preparation of compounds of a 1,4-dialkyl-2,3-diol-1,4-butanedione by a acidic aldol condensation between an alkyl glyoxal and an ?-hydroxy ketone.Type: GrantFiled: April 30, 2008Date of Patent: March 6, 2012Assignee: Firmenich SAInventor: Olivier Andrey
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Publication number: 20120015397Abstract: A marker for determining the onset of periodontal disease and a marker for determining the progression stage of periodontal disease, each containing autoinducer-2.Type: ApplicationFiled: April 15, 2010Publication date: January 19, 2012Applicant: Kao CorporationInventors: Hatsumi Souno, Hidetake Fujinaka, Junji Nakamura
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Patent number: 8071816Abstract: The present disclosure provides a compound according to the formula: Rf1[CH(—O—CH(3-m)Rf2m)(—O—CF2—CFH—Rf3)]n ??[I] wherein n is 1 or 2, wherein m is 1, 2 or 3, wherein, when n is 1, Rf1 is selected from the group consisting of highly fluorinated alkyl groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein, when n is 2, Rf1 is selected from the group consisting of highly fluorinated alkylene groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein each Rf2 is independently selected from the group consisting of alkyl groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein at least one Rf2 is highly fluorinated; wherein each Rf3 is indepeType: GrantFiled: June 30, 2008Date of Patent: December 6, 2011Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello
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Publication number: 20100227935Abstract: The present invention relates to a new class of terpene-derived compounds having an antibiotic activity and of the formulae (I) or (II) in which A is selected from NR1, O, S, CR2R3 or R—(CH2)n—R?, wherein R and R? represent independently NH, O, S or CH2, and in which R1, R2 et R3 are substituents and n is higher than or equal to 1, in particular equal to 2. The invention relates to the compound according to both the formula (I) or the formula (II) taken individually, to mixtures of the two compounds, and to compositions, mainly therapeutic ones, comprising at least one of the compounds or said mixture. According to a particular embodiment, the compound ((I) or (II) taken individually, the mixtures of both compounds and the compositions of the invention are used in the treatment of difficult C-related digestive infections. In one particular embodiment, the compound of the formula (I) is margaucine, a compound produced by a bacterial stem.Type: ApplicationFiled: September 21, 2007Publication date: September 9, 2010Applicants: Centre National De La Recherche Scientifique, Universite De Provence-Aix-Marseille 1, Universite Paul Cezanne-Aix-Marseille 3Inventors: Jean-Paul Leonetti, Maxime Gualtieri, Laurence Coulibeuf, Gaëtan Herbette
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Patent number: 7652172Abstract: This invention provides a practical synthesis route for 4,5-dihydroxypentane-2,3-dione (DPD), an unstable small molecule which is proposed to be the source of universal signaling agents for quorum sensing in bacteria. The synthesis route includes new intermediates and allows preparation of isotopically-labeled DPD and ent-DPD. The method provides sufficient quantities of DPD for study of spontaneous binding of borate to DPD, the signal for the marine bacteria V. harveyi.Type: GrantFiled: September 20, 2005Date of Patent: January 26, 2010Assignee: The Trustees of Princeton UniversityInventors: Martin F. Semmelhack, Shawn R. Campagna, Bonnie L. Bassler, Michael J. Federle
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Patent number: 7645891Abstract: This invention describes the new 6-alkenyl- and 6-alkinyl-epothilone derivatives of general formula (I) in which R1a, R1b, R2b, R3a, R3b, R4, R5, R6, R7, A, Y, D, E, G, Y and Z have the meanings that are indicated in the description. The new compounds interact with tubulin by stabilizing microtubuli that are formed. They are able to influence the cell-splitting in a phase-specific manner and thus find use in treating diseases or conditions associated with the need for cell growth, division and/or proliferation. Thus the compounds are suitable for treating malignant tumors, for example, ovarian, stomach, colon, adeno-, breast, lung, head and neck carcinomas, malignant melanoma, acute lymphocytic and myelocytic leukemia. In addition, they are suitable for anti-angiogenesis therapy as well as for treatment of chronic inflammatory diseases (such as psoriasis, arthritis). Methods of use and preparation of the compounds are also described.Type: GrantFiled: October 18, 2004Date of Patent: January 12, 2010Assignee: Bayer Schering Pharma AktiengesellschaftInventors: Ulrich Klar, Wolfgang Schwede, Werner Skuballa, Bernd Buchmann, Jens Hoffmann, Rosemarie Lichtner
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Patent number: 7385089Abstract: A fluorochemical ketone compound consists of two terminal, branched, independently fluoroalkylcarbonyl or perfluoroalkylcarbonyl groups and an intervening linear perfluoropolyether segment, each of the terminal groups optionally comprising at least one catenated heteroatom, and the perfluoropolyether segment consisting essentially of at least one tetrafluoroethyleneoxy moiety and, optionally, at least one difluoromethyleneoxy moiety, the moieties being randomly or non-randomly distributed within the perfluoropolyether segment.Type: GrantFiled: December 6, 2006Date of Patent: June 10, 2008Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Jay F. Schulz, George G. I. Moore
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Publication number: 20070163710Abstract: A fluorochemical ketone compound consists of two terminal, branched, independently fluoroalkylcarbonyl or perfluoroalkylcarbonyl groups and an intervening linear perfluoropolyether segment, each of the terminal groups optionally comprising at least one catenated heteroatom, and the perfluoropolyether segment consisting essentially of at least one tetrafluoroethyleneoxy moiety and, optionally, at least one difluoromethyleneoxy moiety, the moieties being randomly or non-randomly distributed within the perfluoropolyether segment.Type: ApplicationFiled: December 6, 2006Publication date: July 19, 2007Inventors: Michael G. Costello, Richard M. Flynn, Jay F. Schulz, George G. I. Moore
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Patent number: 7193119Abstract: To provide a process for producing a fluorinated alkyl ether, whereby a sufficient reaction rate can be attained even under mild reaction conditions, and a post-process such as distillation after the reaction can be efficiently carried out. A process for producing a fluorinated alkyl ether, which comprises introducing an aprotic polar solvent, a fluorinated ether, a catalyst, a fluorinated alkyl alcohol and a fluorinated olefin into a reactor, and then, reacting the fluorinated alkyl alcohol with the fluorinated olefin, characterized in that the ratio of the two components of the aprotic polar solvent and the fluorinated ether introduced into the reactor is the aprotic polar solvent/the fluorinated ether=5/95 to 80/20 by mass ratio.Type: GrantFiled: February 7, 2006Date of Patent: March 20, 2007Assignee: Asahi Glass Company, LimitedInventors: Masazumi Nagai, Hidekazu Okamoto, Kazuya Oharu
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Publication number: 20030148414Abstract: This invention provides a purified extracellular bacterial autoinducer-2 signaling molecule, the production of which is regulated by changes in environmental conditions associated with a shift from a free-living existence to a colonizing or pathogenic existence in a host organism. The signaling molecule stimulates LuxQ luminescence genes, and is believed also to stimulate a variety of pathogenesis related genes in the bacterial species that produce it. This invention also provides is a new class of bacterial genes involved in the biosynthesis of the signaling molecule.Type: ApplicationFiled: December 2, 1999Publication date: August 7, 2003Inventors: BONNIE L. BASSLER, MICHAEL G. SURETTE
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Patent number: 6362379Abstract: A method is provided for preparation of chlorofluoroethers ClCF2CFClOR8f and Cl2CFCFClOR8f by direct fluorination of Cl2CHCH2OR8 and Cl3CCH2OR8, respectively, wherein R8 is a C1-C20 alkyl-or acyl-containing group optionally up to 5 ether oxygen atoms and optionally substituted by functional groups and R81, is the corresponding perfluoroalkyl or perfluoracyl-containing group.Type: GrantFiled: May 1, 2001Date of Patent: March 26, 2002Assignee: 3M Innovative Properties CompanyInventors: George G. I. Moore, Fred B. McCormick, Mita Chattoraj, Elisa M. Cross, Junkang Jacob Liu, Ralph R. Roberts, Jay F. Schulz
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Patent number: 5955562Abstract: A alternating aliphatic polyketone polymer is surface derivatized to alter the surface properties of an article without affecting the bulk properties of the polymer it is made from. Derivitization may be done with reducing agents and/or silylating agents. Articles so produced display a range of improved properties including reduced wettability and improved tribological properties such as lubricity and wear resistance.Type: GrantFiled: December 22, 1997Date of Patent: September 21, 1999Assignee: Shell Oil CompanyInventors: Carlton Edwin Ash, Donald Ross Kelsey
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Patent number: 5580996Abstract: The compounds of the invention are characterised by the formulae ##STR1## wherein index p represents an integer equal to 2 or 3 and q can take the value zero or 1, with the provision that p+q=3. Said compounds are obtained from hex-3-yne-2,5-diol following a process which comprises reacting an ethylenic compound of formula(CH.sub.3).sub.2 C.dbd.C(H).sub.n (CH.sub.3).sub.m (I)wherein index n represents an integer equal to 1 or 2 and m can take the values zero or 1 and wherein n+m=2, with hex-3-yne-2,5-diol, followed by the oxidation of the acetylenic ether obtained by means of ruthenium tetroxide. The compounds of formula (III) can be used as intermediate products for the preparation of 4-hydroxy-2,5-dimethyl-3(2H)-furanone (Furaneol.RTM.).Type: GrantFiled: April 13, 1995Date of Patent: December 3, 1996Assignee: Firmenich SAInventors: Hubert Mimoun, Alexander Zaslona, Jean-Paul Leresche
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Patent number: 5527968Abstract: A hydroxy-terminated linear carbonate is produced by reacting a cyclic alkylene carbonate such as neopentyl glycol carbonate with a substance having at least one alcoholic hydroxyl group in the presence of a catalyst. Mono- or polyhydric alphatic alcohols, polycaprolactone polyols, hydroxyl group-containing acrylic monomers and polymers, and polyester polyols are modified by the reaction with the cyclic alkylene carbonate to have an enhanced reactivity and resistance to hydrolysis.Type: GrantFiled: August 2, 1995Date of Patent: June 18, 1996Assignees: Nipon Paint Co., Ltd., Daicel Chemical Industries, Ltd.Inventors: Shinji Nakano, Takao Morimoto, Shin-ya Yamada, Takaaki Fujiwa, Hideki Matsui, Takeharu Tabuchi
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Patent number: 5475145Abstract: The present invention is directed to compositions containing novel beta-diketones of formula (I) and formula (II),R.sub.1 COCH.sub.2 COR.sub.2 (I)R.sub.2 COCH.sub.2 COR.sub.2 (II)which may be used to stabilize various polymers, such as polyvinyl chlorides (PVCs). The present invention is also directed to a method for preparing .beta.-diketones by a Claisen condensation reaction, which is represented as follows:R.sub.4 COCHR.sub.5 H+R.sub.6 C(O)OR.sub.7 +RO.sup.- .fwdarw.[R.sub.4 COCR.sub.5 COR.sub.6 ]--+R.sub.7 OH+ROH.Type: GrantFiled: November 5, 1993Date of Patent: December 12, 1995Assignee: Rhone-PoulencInventors: Serge Chassaing, Michel Gay, Gilles Mur
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Patent number: 5264634Abstract: An alkaline earth metal chelate complex of 2,2,6,6-tetramethylheptanedione of the formula (I)M.sup.2+ (C.sub.11 H.sub.19 O.sub.2).sup.-.sub.2.L.sub.k (I)is described, in which M is calcium, strontium or barium, L is a ligand and k is a number from 1 to 3, the complex being free of water of hydration and the ligand L being an aliphatic ether having at least two oxygen atoms in the molecule. A process for the preparation of the chelate complex and its use for the production of coated substrates are also described.Type: GrantFiled: April 7, 1992Date of Patent: November 23, 1993Assignee: Hoechst AktiengesellschaftInventors: Winfried Becker, Stephan Weidlich
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Patent number: 5102581Abstract: Process for the preparation of: ##STR1## by oxidative decarboxylation of an allyl .beta.-ketoester: ##STR2## in an organic solvent, in the presence of a palladium-based catalyst. The organic solvent selected from an amide, a nitrile, or a dinitrile.Type: GrantFiled: June 21, 1990Date of Patent: April 7, 1992Assignee: Rhone-Poulenc SanteInventors: Claude Mercier, Gerard Mignani
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Patent number: 5080834Abstract: The present invention deals with novel internal branched ether esters based upon novel ether alcohols. These materials are useful as viscosity index modifiers where outstanding liquidity, resistance to oxidation, and minimal variation in viscosity as a function of temperature is required.Type: GrantFiled: October 18, 1990Date of Patent: January 14, 1992Assignee: Lce PartnershipInventors: J. Michael Clumpner, Anthony J. O'Lenick, Jr.
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Patent number: 5071898Abstract: Composition containing a) a polymer containing chlorine and b) at least one compound of the formula I ##STR1## in which R.sub.1 is C.sub.1 -C.sub.10 alkyl, C.sub.2 -C.sub.10 hydroxyalkyl, phenyl, hydroxyphenyl, C.sub.7 -C.sub.10 phenylalkyl or C.sub.7 -C.sub.10 phenylalkyl which is substituted on the phenyl ring by an OH group, and R.sub.2 is C.sub.2 -C.sub.10 hydroxyalkyl, hydroxyphenyl or C.sub.7 -C.sub.10 phenylalkyl which is substituted on the phenyl ring by an OH group, subject to the condition that R.sub.2 is other than hydroxyphenyl if R.sub.1 is phenyl or hydroxyphenyl, and/or at least one compound of the formula I in which the OH groups present in the radicals R.sub.1 and R.sub.2 have been replaced by C.sub.2 -C.sub.12 alkanoyloxy.The compounds of the formula IA ##STR2## in which R is C.sub.1 -C.sub.10 alkyl, C.sub.2 -C.sub.10 hydroxyalkyl, phenyl, hydroxyphenyl, C.sub.7 -C.sub.10 phenylalkyl or C.sub.7 -C.sub.10 phenylalkyl which is substituted on the phenyl ring by an OH group, are novel.Type: GrantFiled: June 2, 1989Date of Patent: December 10, 1991Assignee: Ciba-Geigy CorporationInventors: Hermann O. Wirth, Hans-Helmut Friedrich, Gerd Abeler
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Patent number: 5037944Abstract: Novel thermosetting resins are produced from low molecular weight linear alternating polymers of carbon monoxide and a suitable curing agent. The resin compositions are particularly useful as coatings.Type: GrantFiled: November 9, 1989Date of Patent: August 6, 1991Assignee: Shell Oil CompanyInventors: Abraham A. Smaardijk, Arris H. Kramer
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Patent number: 4992504Abstract: Composition containing a chlorine-containing polymer and at least one compound of the formula IA ##STR1## in which R.sup.1 and R.sup.3 independently of one another are C.sub.1 -C.sub.12 alkyl, phenyl, phenyl which is substituted by one to three C.sub.1 -C.sub.12 alkyl groups, C.sub.7 -C.sub.10 phenylalkyl or C.sub.7 -C.sub.10 phenylalkyl which is substituted on the phenyl ring by one to three C.sub.1 -C.sub.12 alkyl groups and R.sup.1 is additionally --R.sup.2 --X--R.sup.3, R.sup.2' is C.sub.1 -C.sub.10 alkylene, R.sup.4 is hydrogen, C.sub.2 -C.sub.5 alkoxycarbonyl or C.sub.2 -C.sub.5 alkanoyl and X is oxygen or sulfur.Compounds of the formula IA in which R.sup.Type: GrantFiled: January 5, 1990Date of Patent: February 12, 1991Assignee: Ciba-Geigy CorporationInventors: Hermann O. Wirth, Hans-Helmut Friedrich
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Patent number: 4898986Abstract: Disclosed is a novel inosose compound represented by the general formula: ##STR1## wherein X.sup.1 and X.sup.2 are both halogen; X.sup.1 is hydrogen and X.sup.2 is halogen; or X.sup.1 is --SQ.sup.1 and X.sup.2 is --SQ.sup.2 (each of Q.sup.1 and Q.sup.2 is lower alkyl or Q.sup.1 and Q.sup.2 may form lower alkylene), R.sup.1 is a protective group for hydroxyl and Y is .dbd.O, .dbd.N--Z (Z is hydroxyl which may be protected) or ##STR2## (A is hydrogen or an amine residue), particularly to the compound wherein the symbol Y is oxygen.The inosose compound is useful as intermediates for production of valiolamine and the N-substituted derivatives thereof, which have potent .alpha.-glucosidase inhibiting activities and are useful as preventives or therapeutics for symptoms of hyperglycemia and various diseases derived therefrom in human and animals, such as diabetes, obesity and hyperlipemia.Type: GrantFiled: August 31, 1987Date of Patent: February 6, 1990Assignee: Takeda Chemical Industries, Ltd.Inventors: Satoshi Horii, Hiroshi Fukase
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Patent number: 4657956Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R--S--B--S--R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.Type: GrantFiled: September 13, 1985Date of Patent: April 14, 1987Assignee: Monsanto Europe, S. A.Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
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Patent number: 4647413Abstract: Perfluoropolyether oligomers or block polymers, having a backbone with one or a plurality of perfluoropolyether segments each consisting essentially of (1) at least one perfluoroisopropyleneoxy unit, (2) a bis(perfluoromethyleneoxy-terminated) unit, and (3) a perfluoroethylidene unit terminating each segment, the backbone of the perfluoropolyether being terminated with COF and/or a functional or nonfunctional derivative thereof, said perfluoropolyethers being made by reacting a perfluoroaliphatic diacid fluoride with hexafluoropropylene epoxide to produce an acid fluoride-terminated perfluoropolyether adduct or oligomer which then can be photopolymerized to yield an acid fluoride-terminated perfluoropolyether block polymer. These oligomers and block polymers are useful as high temperature lubricants, hydraulic fluids, gaskets, adhesives and coatings as well as co-reactants wtih urethane in forming propellant binders.Type: GrantFiled: January 20, 1984Date of Patent: March 3, 1987Assignee: Minnesota Mining and Manufacturing CompanyInventor: Patricia M. Savu
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Patent number: 4524031Abstract: A perfluorocarbonyl compound of the formula ##STR1## wherein R.sub.f is perfluoroalkyl having 1 to 10 carbon atoms,R'.sub.f is perfluoroalkylene having 1 to 10 carbon atoms,R is fluorine, chlorine, perfluoroalkyl having 1 to 10 carbon atoms, or is alkoxy having 1 to 10 carbon atoms, andn is 0 to 10.Type: GrantFiled: May 20, 1983Date of Patent: June 18, 1985Assignee: Hoechst AktiengesellschaftInventors: Hans Millauer, Gunter Siegemund, Werner Schwertfeger
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Patent number: 4468353Abstract: An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines.Type: GrantFiled: September 30, 1982Date of Patent: August 28, 1984Assignee: Dynamit Nobel AGInventors: Otto Ackermann, Dieter Bretzinger, Herbert Schneidewind, Rudolf Stephan
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Patent number: 4343953Abstract: The present invention relates to a novel method for producing cyclopentenolone of the formula (I), ##STR1## which is a useful intermediate for producing agricultural chemicals, which comprises reacting an acetonedicarboxylic ester of the formula (VII), ##STR2## wherein R is a C.sub.1 -C.sub.6 alkyl group, with 2-propynyl chloride in the presence of magnesium alkoxide and in the presence of alkali iodide to obtain novel mono-(2-propynyl)-substituted acetonedicarboxylic ester of the formula (VI), ##STR3## wherein R is as defined above; hydrolyzing the mono-(2-propynyl)-substituted acetonedicarboxylic ester of the formula (VI) under alkaline conditions with an alkali and then reacting the hydrolyzed product with methylglyoxal of the formula, ##STR4## to obtain novel .gamma.-diketone of the formula (V), ##STR5## and ring-closing the .gamma.-diketone of the formula (V) under alkaline condition.Type: GrantFiled: June 16, 1980Date of Patent: August 10, 1982Assignee: Sumitomo Chemical Company, LimitedInventors: Noritada Matsuo, Nobushige Itaya, Kohichi Aketa, Osamu Magara, Toshio Nishioka
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Patent number: 4310465Abstract: A synthesis of Vitamin E has the condensation of 2,4-pentanediene and 1,2-epoxy-2,6,10,14-tetramethylpentadecane including intermediates in this synthesis which uses base catalyzed condensations of aliphatic compounds to construct the Vitamin E molecule from aliphatic precursors.Type: GrantFiled: December 17, 1979Date of Patent: January 12, 1982Assignee: Hoffmann-La Roche Inc.Inventors: Gary L. Olson, Gabriel Saucy
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Patent number: 4277418Abstract: An improvement in the alkoxylation of a compound having a reactive methylene group by contacting said compound with an orthoformic acid trialkyl ester in the presence of a catalyst, the improvement residing in employing at least 1.6 moles of orthoformic acid ester per mole of compound having a reactive methylene group and carrying out the process in the presence of a catalyst of the group of aliphatic carboxylic acids, anhydrides of aliphatic carboxylic acids, aromatic sulphonic acids, alkali metal alcoholates and alkanolamines.Type: GrantFiled: February 26, 1979Date of Patent: July 7, 1981Assignee: Dynamit Nobel AktiengesellschaftInventors: Otto Ackermann, Dieter Bretzinger, Herbert Schneidewind, Rudolf Stephan
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Patent number: 4235823Abstract: Diketones are prepared by oxidizing glycols in the presence of a silver catalyst and/or copper catalyst of a specific particle size, under specific temperature conditions and with a specific composition of the catalyst. The end products are starting materials for the preparation of dyes, drugs, plastics, scents, wrinkle-resist finishes and assistants for increasing the tear strength and resilience of fibrous materials, hardeners for use in the photographic industry, textile assistants for preventing shrinkage after washing, and paper assistants.Type: GrantFiled: June 26, 1979Date of Patent: November 25, 1980Assignee: BASF AktiengesellschaftInventors: Christian Dudeck, Gunter Lehmann, Karl-Heinz Ross, Werner Fliege, Norbert Petri, Hans Diem, Bernd Meissner, Wolfgang Sauer
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Patent number: 4201726Abstract: A synthesis of Vitamin E has the condensation of 2,4-pentanediene and 1,2-epoxy-2,6,10,14-tetramethylpentadecane including intermediates in this synthesis which uses base catalyzed condensations of aliphatic compounds to construct the Vitamin E molecule from aliphatic precursors.Type: GrantFiled: September 11, 1978Date of Patent: May 6, 1980Assignee: Hoffmann-La Roche Inc.Inventors: Gary L. Olson, Gabriel Saucy