At Least Three Oxygens Containing Patents (Class 568/598)
  • Publication number: 20130096209
    Abstract: The present invention provides edible compositions comprising a compound of the present invention, food products comprising such edible compositions and methods of preparing such food products. The present invention also provides methods of reducing the amount of NaCl in a food product, methods of reducing the sodium intake in a diet, and methods of reducing bitter taste in a food product.
    Type: Application
    Filed: April 15, 2011
    Publication date: April 18, 2013
    Applicants: Kraft Foods Global Brands LLC, Chromocell Corporation
    Inventors: David Hayashi, William P. Jones, Jane V. Leland, Peter H. Brown, Joseph Gunnet, Daniel Lavery, Louise Slade, Kambiz Shekdar, Jessica Langer
  • Publication number: 20110054221
    Abstract: A process for preparing polyoxymethylene dimethyl ethers from methanol is disclosed. For example, the process comprises contacting methanol with at least one oxidant in the presence of at least one catalyst wherein the at least one catalyst comprises at least one Group VIB metal component, such as in an amount of from about 0.5 to about 50 wt % (in terms of metal oxide) and at least one Group VIII metal component, such as in an amount of from about 0.2 to about 20 wt % (in terms of metal oxide), and at least one molecular sieve having acidic catalytic activity, such as in an amount of from about 40 to about 95 wt %, based on the total weight of the at least one catalyst for a time sufficient to obtain polyoxymethylene dimethyl ethers.
    Type: Application
    Filed: February 26, 2010
    Publication date: March 3, 2011
    Inventors: Peng Yu, Jingsong Liu, Junfeng Rong, Changzhi Shi, Qiang Fu, Jin Wang, Wei Zhang, Xuhua Zhou
  • Patent number: 7834220
    Abstract: Provided is a method for preparing (E3,Z5)-3,5-alkadienyl acetate and (E3,Z5)-3,5-dodecadienyl acetate which is a sex pheromone of Brazilian apple leafminer. Specifically, provided is a method for preparing (E3,Z5)-3,5-alkadienyl acetate, comprising steps of hydrolyzing 5,5-diethoxy-(Z3)-3-pentenyl methoxymethyl ether in the presence of an acid to obtain 4-formyl-(E3)-butenyl methoxymethyl ether; reacting the 4-formyl-(E3)-butenyl methoxymethyl ether with alkylidene triphenylphosphorane in accordance with the Wittig reaction to obtain (E3,Z5)-3,5-alkadienyl methoxymethyl ether; and obtaining (E3,Z5)-3,5-alkadienyl acetate using the (E3,Z5)-3,5-alkadienyl methoxymethyl ether as a starting substance.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: November 16, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Miyoshi Yamashita, Takehiko Fukumoto
  • Patent number: 7732367
    Abstract: A catalyst for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo), phosphorus (P), vanadium (V), bismuth (Bi), and a first component selected from the group consisting of potassium (K), rubidium (Rb), cesium (Cs), thallium (Tl), or mixtures or combinations thereof, where the catalyst has at least 57% medium pores and a nitric acid to molybdenum mole ratio of at least 0.5:1 or at least 6.0:1 moles of HNO3 per mole of Mo12. Methods for making and using such catalysts are also disclosed.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: June 8, 2010
    Assignee: Saudi Basic Industries Corporation
    Inventors: Scott A. Stevenson, Wugeng Liang, James W. Kauffman, Lixia Cai, Angie McGuffey, Joseph R. Linzer
  • Publication number: 20100069664
    Abstract: Provided is a method for preparing (E3,Z5)-3,5-alkadienyl acetate and (E3,Z5)-3,5-dodecadienyl acetate which is a sex pheromone of Brazilian apple leafminer. Specifically, provided is a method for preparing (E3,Z5)-3,5-alkadienyl acetate, comprising steps of hydrolyzing 5,5-diethoxy-(Z3)-3-pentenyl methoxymethyl ether in the presence of an acid to obtain 4-formyl-(E3)-butenyl methoxymethyl ether; reacting the 4-formyl-(E3)-butenyl methoxymethyl ether with alkylidene triphenylphosphorane in accordance with the Wittig reaction to obtain (E3,Z5)-3,5-alkadienyl methoxymethyl ether; and obtaining (E3,Z5)-3,5-alkadienyl acetate using the (E3,Z5)-3,5-alkadienyl methoxymethyl ether as a starting substance.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 18, 2010
    Inventors: Miyoshi Yamashita, Takehiko Fukumoto
  • Publication number: 20080228009
    Abstract: Process for preparing 1,1,4,4-tetraalkoxybut-2-ene derivatives of the general formula (I), where the radicals R1 and R2 are each, independently of one another, hydrogen, C1-C6-alkyl, C6-C12-aryl, such as phenyl, or C5-C12-cycloalkyl or R1 and R2 together with the double bond to which they are bound form a C6-C12-aryl radical, such as phenyl, a phenyl radical substituted by one or more C1-C6-alkyl groups, halogen atoms or alkoxy groups or a monounsaturated or polyunsaturated C5-C12-cycloalkyl radical, R3, R4 are each, independently of one another, hydrogen, methyl, trifluoromethyl or nitrile, which comprises electrochemically oxidizing 1,4-dialkoxy-1,3-butadiene of the formula II where the radicals R1, R3 and R4 have the same meanings as in the formula I, in the presence of a C1-C6-alkyl alcohol.
    Type: Application
    Filed: July 31, 2006
    Publication date: September 18, 2008
    Applicant: BASF SE
    Inventors: Ingo Richter, Hermann Putter, Ulrich Griesbach, Till Gerlach
  • Patent number: 6919480
    Abstract: The present invention provides novel processes for preparing a fluorinated acyl fluoride and a fluorinated vinyl ether.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: July 19, 2005
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu
  • Patent number: 6747174
    Abstract: The present invention provides novel processes for preparing a fluorinated acyl fluoride and a fluorinated vinyl ether.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: June 8, 2004
    Assignee: Asahi Glass Company, Limited
    Inventors: Takashi Okazoe, Kunio Watanabe, Masahiro Ito, Daisuke Shirakawa, Shin Tatematsu
  • Patent number: 6673971
    Abstract: A process for the preparation of 1,1,4,4-tetramethoxy-2-butene by reacting 2,5-dimethoxydihydrofuran with methanol in the presence of acids comprises carrying out the reaction in the presence of solid catalysts having acidic centers.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: January 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph Wegner, Joachim Paust, Hansgeorg Ernst
  • Patent number: 6407291
    Abstract: A process for the preparation of 1,1,4,4-tetramethoxy-2-butene by reacting 2,5-dimethoxydihydrofuran with methanol in the presence of acids comprises carrying out the reaction in the presence of solid catalysts having acidic centers.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: June 18, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Christoph Wegner, Joachim Paust, Hansgeorg Ernst
  • Patent number: 6008400
    Abstract: Phosphoramidite oligonucleotide synthesis is facilitated by the use of fluoride-labile 5' silyl protecting groups. RNA synthesis is improved by the use of 2 orthoester protecting groups. Reactions are conducted on a solid phase support and acidic deprotection conditions are avoided, as is the necessity of oxidizing the phosphite linkage between each coupling reaction.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: December 28, 1999
    Inventors: Stephen Scaringe, Marvin H. Caruthers
  • Patent number: 5739394
    Abstract: The invention relates to novel 3,3-dioxy-4,4,4-trifluorobutyric acid derivatives of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent C.sub.1 -C.sub.10 -alkyl, or represent cyclohexyl, or represent optionally substituted C.sub.6 -C.sub.10 -aryl or C.sub.7 -C.sub.14 -arylalkyl, orR.sup.1 and R.sup.2 together represent C.sub.2 -C.sub.4 -alkylene which is optionally mono- or disubstituted by methyl, or optionally substituted ortho-arylene,R.sup.3 represents hydrogen or C.sub.1 -C.sub.10 -alkyl, or represents cycloalkyl, or represents optionally substituted C.sub.6 -C.sub.10 -aryl or C.sub.7 -C.sub.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: April 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventor: Norbert Lui
  • Patent number: 5616812
    Abstract: A method of production of polyvinyl ether compound by which the polyvinyl ether compound having a desired degree of polymerization is produced reliably, safely and efficiently and a novel polyvinyl ether compound useful as lubricating oil for compression-type refrigerators, electric insulation oil and the like are disclosed. The method of production of the present invention is a method of producing a polyvinyl ether compound which comprises polymerizing a vinyl ether compound in the presence of a Lewis acid catalyst and a specific acetal or a method of producing a polyvinyl ether compound which comprises forming an acetal by reaction of a vinyl ether compound with a specific alcohol in the presence of a Lewis acid catalyst, then adding the vinyl ether compound to the acetal and polymerizing the vinyl ether compound. The polyvinyl ether compound of the present invention is homopolymer or a copolymer of an alkyl vinyl ether comprising the constituting unit expressed by the general formula: ##STR1## (R.sup.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: April 1, 1997
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Tatsuya Egawa, Yasuhiro Kawaguchi, Kenji Mogami, Nobuaki Shimizu
  • Patent number: 5599848
    Abstract: A process for preparing a mixture of 8E,10E-dodecadienol (Ia), 8E,10Z-dodecadienol (Ib), 8Z,10E-dodecadienol (Ic) and 8Z,10Z-dodecadienol (Id),H.sub.3 C--CH.dbd.CH--CH.dbd.CH--(CH.sub.2).sub.6 --CH.sub.2 --OH(8E,10E=Ia)(8E,10Z=Ib)(8Z,10E=Ic)(8Z,10Z=Id)starting from 1,8-octanediol (II) which is converted with a halogenating agent into (III)Hal-CH.sub.2 --(CH.sub.2).sub.6 --CH.sub.2 --OH (III)where (III) is subsequently reacted with (IV),H.sub.2 C.dbd.CH--O--R (IV)to give (V)Hal-CH.sub.2 --(CH.sub.2).sub.6 --CH.sub.2 --O--CH(CH.sub.3)--OR(V),(V) is converted in the presence of magnesium and crotonaldehyde into (VI)H.sub.3 C--CH.dbd.CH--CH(OH)--(CH.sub.2).sub.8 --O--CH(CH.sub.3)--OR(VI)and the protective group R and the hydroxyl group are simultaneously eliminated from (VI) in the presence of acid, novel intermediates for this process, and methods for controlling the codling moth Cydia pomonella by interfering with mating using this mixture are described.
    Type: Grant
    Filed: August 7, 1995
    Date of Patent: February 4, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Klein, Ulrich Neumann, Wolfgang Mackenroth, Guenter Renz, Wolfgang Krieg, Christiane Mackenroth, Ernst Buschmann, Jacobus J. DeKramer, Roland Milli
  • Patent number: 5250715
    Abstract: The present invention provides an optically active 2-methylenepentane derivative represented by the general formula ##STR1## (wherein R.sup.1 is a protective group for hydroxyl, R.sup.3 is a protective group for hydroxyl, X is a halogen atom or R.sup.4 SO.sub.3 group (wherein R.sup.4 is an alkyl or an aryl), and the symbol * represents an asymmetric carbon atom).
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: October 5, 1993
    Assignee: Daiso Co., Ltd.
    Inventors: Takashi Takahashi, Yoshikazu Takehira
  • Patent number: 5216051
    Abstract: The invention relates to novel tri-acetal polyol compounds and to a crystalline polyolefin composition having dispersed therein a nucleating agent composed of one or more of said polyol acetals.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: June 1, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Tammy L. Smith, Julie R. Schollmeyer, Yash P. Khanna, Kristina A. Miller, Divarakaran Masilamani
  • Patent number: 5216187
    Abstract: The present invention provides an optically active 2-methylenepentane derivative represented by the general formula ##STR1## (wherein R.sup.1 is a protective group for hydroxyl, R.sup.3 is a protective group for hydroxyl, X is a halogen atom or R.sup.4 SO.sub.3 group (wherein R.sup.4 is an alkyl or an aryl), and the symbol * represents an asymmetric carbon atom).
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: June 1, 1993
    Assignee: Daiso Co., Ltd.
    Inventors: Takashi Takahashi, Yoshikazu Takehira
  • Patent number: 5206443
    Abstract: Alkanediol bisacetals useful as surface-active substances for industrial purposes, in particular in washing and cleaning agents, have the formula I ##STR1## where R.sup.1 is alkyl or alkenyl of from 6 to 30 carbon atoms,A is 1,2-alkylene of from 2 to 4 carbon atoms,m is from 0 to 50,within each of the pairs R.sup.1, A and m the meanings being identical or different, andn is from 2 to 20.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: April 27, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Helmut Guembel, Alfred Oftring, Johannes Perner, Gerhard Wolf
  • Patent number: 5191127
    Abstract: This invention provides glyoxal derivatives and a method for making these derivatives. A particularly useful derivative, 1-chloro-1,2,2-trialkoxyethane, and a facile method for making these alpha-halo ethers are provided. The alpha-halo ethers are valuable intermediates in the manufacture of a variety of commercial compounds.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: March 2, 1993
    Assignee: Loyola University of Chicago
    Inventor: James H. Babler
  • Patent number: 5149843
    Abstract: Conjugated diene compounds of the general formula: ##STR1## which are industrially advantageous intermediates for preparing sarcophytol A useful as an anticarcinogenic promotor or antitumor agent are provided.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: September 22, 1992
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Hisao Takayanagi, Yasunori Kitano, Yasuhiro Morinaka
  • Patent number: 5091597
    Abstract: Process of preparation of secondary or tertiary alcohols by the action of an organic halide on metallic manganese, in the presence of a carbonyl compound in a solvent followed by hydrolysis; a compound of a metal of Groups II to VIII of the Periodic Classification of the Elements, less electropositive than manganese, is present in the reaction medium.
    Type: Grant
    Filed: August 28, 1990
    Date of Patent: February 25, 1992
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Gerard Cahiez, Pierre-Yves Chavant, Pierre Tozzolino
  • Patent number: 4898928
    Abstract: Water-soluble polyacetal or polyketal having the formula ##STR1## wherein R.sub.1, and R.sub.2 are aliphatic, cycloaliphatic or aromatic groups, for ketals; R.sub.1 is hydrogen and R.sub.2 is aliphatic, cycloaliphatic, or aromatic groups for acetals; R.sub.3 and R.sub.4 are also aliphatic, alkoxy, cycloaliphatic or aromatic groups X represents groups as (CH.sub.2).sub.n, O(CH.sub.2).sub.N O or ##STR2## that connect the pendant unsaturation to the aliphatic, cycloaliphatic or aromatic R.sup.4 groups, the ratio of a to b is 0.5 to 10, and n is 10-100.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: February 6, 1990
    Assignee: Sandoz Pharmaceuticals Corp.
    Inventors: Jorge Heller, Donald W. H. Penhale, Steve Y. Ng
  • Patent number: 4827004
    Abstract: Novel Isoprene Derivatives which have mucosa-protective and gastric acid secretion-inhibiting properties and are useful for combatting ulcers both by treating and as a prophylaxis against gastric and/or duodenal ulcers.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: May 2, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Albert Fischli, Max Schmid, Rudolf Schmid
  • Patent number: 4616095
    Abstract: Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:(i) complete a cycloalkyl, cycloalkenyl, bicycloalkyl, mono or polyalkyl cycloakyl or mono or polyalkyl cycloalkenyl ring, or(ii) represent alkylidene, cycloalkenyl alkylidene, aralkylidene, mono or polyalkyl cycloalkenyl alkylidene or mono or polyalkyl aralkylidene;and wherein R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: October 7, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4613706
    Abstract: Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:(i) complete a cycloalkyl, cycloalkenyl, bicycloalkyl, mono or polyalkyl cycloalkyl or mono or polyalkyl cycloalkenyl ring, or(ii) represent alkylidene, cycloalkenyl alkylidene, aralkylidene, mono or polyalkyl cycloalkenyl alkylidene or mono or polyalkyl aralkylidene;and wherein R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: September 23, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4570018
    Abstract: A novel chemical, fluorochlorocyclopropane (I) of the following formula: ##STR1## is prepared by the addition of fluorochlorocarbene to the corresponding olefin (II) of the following formula:CH.sub.2 .dbd.CR.sup.1 -R.sup.2The compound is a useful intermediate for synthesizing some chemicals, e.g., some cephalosporins.(wherein R.sup.1 is hydrogen, halogen, 1 to 8C alkylamino, alkoxy, or alkylthio andR.sup.2 is halogen, 1 to 8C alkylamino, alkoxy, or alkylthio).
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: February 11, 1986
    Assignee: Shionogi & Co., Ltd.
    Inventors: Tsutomu Aoki, Hiromi Takahashi, Toshiro Konoike, Teruji Tsuji, Wataru Nagata
  • Patent number: 4513144
    Abstract: Trioxane and other acetals are purified by contacting with an alkali metal superoxide, then isolated in a purified form. Optionally, a phase transfer catalyst can be utilized in the purification. Recovered acetals are sufficiently pure for polymerization to high molecular weight.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: April 23, 1985
    Assignee: Conoco Inc.
    Inventor: Jeff T. Fenton
  • Patent number: 4454330
    Abstract: A process for the preparation of a two-functional-group-containing terpenoid having the general formula: ##STR1## in which n is an integer of from 1 to 5, R represents a hydroxymethyl, formyl or carboxyl group, and A represents the hydrogen atom, or a 2-tetrahydropyranyl, benzyl, methoxymethol or methoxyethoxymethyl group comprising the oxidation with a microorganism belonging to the genus Nocardia. Some of the terpenoids are of value as anti-ulcer agents, while others are useful as intermediates.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: June 12, 1984
    Assignees: Eisai Co., Ltd., General Director of the Agency of Industrial Science and Technology
    Inventors: Akio Sato, Kenji Nakajima, Yoshimasa Takahara, Shizumasa Kijima, Noriaki Kuwana, Shinya Abe, Kouzi Yamada
  • Patent number: 4338251
    Abstract: A process for the preparation of a two-functional-group-containing terpenoid having the general formula: ##STR1## in which n is an integer of from 1 to 5, R represents a hydroxymethyl, formyl or carboxyl group, and A represents the hydrogen atom, or a 2-tetrahydropyranyl, benzyl, methoxymethol or methoxyethoxymethyl group comprising the oxidation with a microorganism belonging to the genus Nocardia. Some of the terpenoids are of value as anti-ulcer agents, while others are useful as intermediates.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: July 6, 1982
    Assignees: Eisai Co., Ltd., Agency of Industrial Science and Technology
    Inventors: Akio Sato, Kenji Nakajima, Yoshimasa Takahara, Shizumasa Kijima, Noriaki Kuwana, Shinya Abe, Kouzi Yamada
  • Patent number: 4317905
    Abstract: A process is disclosed for preparing aliphatic compounds containing two conjugated double bonds cis-cis or cis-trans, characterized in that a compound of the general formula ##STR1## (in which R is H, alkyl from C.sub.1 to C.sub.10, or OY in which Y is a protective group selected from the class consisting of tetrahydropyranyl and 1-ethoxyethyl; X is an ester function selected from the class consisting of the acetates) is reacted with an alkyl-magnesium halide of the general formula:Z--Mg--R.sup.1 (II)(in which Z is chlorine, bromine or iodine, and R.sup.1 is a C.sub.1 -C.sub.10 alkyl group, or a group (CH.sub.2).sub.n OY in which Y has the same meaning as in formula (I), and n is a number from 3 to 10) in the presence of Li.sub.2 CuCl.sub.4, CuCl, CuBr, or CuI at temperatures ranging from about -30.degree. to +10.degree. C. in the presence of ethyl ether or tetrahydrofuran as solvent, to obtain an aliphatic compound of the general formula:R--CH.sub.2 --C.tbd.C--CH.dbd.CH--CH.sub.2 R.sup.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: March 2, 1982
    Assignee: Montedison S.p.A.
    Inventors: Pietro Massardo, Giorgio Cassani, Paolo Piccardi
  • Patent number: 4277625
    Abstract: New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: July 7, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Arnold Hauser, Gunther Ohloff
  • Patent number: 4277610
    Abstract: A synthesis of 2,6,10-trimethyl-undecan-1-ol, an intermediate for producing vitamin E, from methacrolein, crotonaldehyde, .beta.-hydroxy-isobutyric acid including intermediates in this synthesis.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: July 7, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Noal Cohen, Gabriel Saucy
  • Patent number: 4267363
    Abstract: Synthesis and intermediates for making an insect pheromone useful in the control of the yellow scale.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: May 12, 1981
    Assignee: Zoecon Corporation
    Inventors: Richard J. Anderson, Clive A. Henrick
  • Patent number: 4180682
    Abstract: A synthesis of 2,6,10-trimethyl-undecan-1-ol, an intermediate for producing vitamin E, from methacrolein, crotonaldehyde, .beta.-hydroxy-isobutyric acid including intermediates in this synthesis.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: December 25, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Noal Cohen, Gabriel Saucy
  • Patent number: 4161616
    Abstract: This invention provides a process for producing 1,4-butanediol by (1) selectively hydrogenating acrolein to a product mixture of allyl alcohol and residual acrolein in a 2:1 ratio, (2) converting the product mixture to acrolein diallyl acetal under acidic conditions, (3) selectively hydroformylating the acrolein diallyl acetal to a trialdehyde, and (4) reacting the trialdehyde under substantially neutral hydrolysis/hydrogenation conditions to yield 1,4-butanediol.Acrolein is converted into tetrahydrofuran employing the process conditions described above, except that the step (4) hydrolysis/hydrogenation reaction is conducted under acidic conditions.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: July 17, 1979
    Assignee: Celanese Corporation
    Inventors: Paul D. Taylor, Thomas H. Vanderspurt, Anthony B. Conciatori
  • Patent number: 4159387
    Abstract: There are described new squaric acid esters, particularly mono-ortho esters, di-ortho esters, ortho ester anhydrides and ortho ester halides of squaric acid; a new process for producing these squaric acid esters; and a process for converting the squaric acid esters into squaric acid. It is possible by the new process to produce, with the use of readily obtainable starting products, the new squaric acid esters according to the invention in an economical manner and with good to very good yields; and the squaric acid esters can be converted under mild reaction conditions into squaric acid.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: June 26, 1979
    Assignee: Ciba-Geigy Corporation
    Inventor: Daniel Bellus
  • Patent number: 4158096
    Abstract: Synthesis and intermediates for making insect pheromone useful in the control of red scale, Aonidiella aurantii.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: June 12, 1979
    Assignee: Zoecon Corporation
    Inventor: Richard J. Anderson
  • Patent number: 4133836
    Abstract: A process for the manufacture of acetals by reacting aliphatic aldehydes with aliphatic alcohols, especially olefinically unsaturated aldehydes and allyl alcohols, in the presence of a distillable acid, especially nitric acid, using a rectifying column as the reaction vessel. The products may be used as starting materials for plastics, active substances, scents and vitamins.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: January 9, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Axel Nissen, Gerd Kaibel
  • Patent number: 4127612
    Abstract: 19-Hydroxy carbinol analogues of PGE.sub.1 having the structure ##STR1## are disclosed as bronchodilators. Methods of preparing the analogues are also disclosed.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: November 28, 1978
    Assignee: Miles Laboratories, Inc.
    Inventors: Harold C. Kluender, Warren D. Woessner