Cyano, Nitrogen, Or Halogen Bonded Directly To The Hetero Ring Patents (Class 549/550)
  • Patent number: 10550078
    Abstract: A method for producing a fluoropolyoxyalkylene peroxide compound containing one or more —CF2OOCF2O— units, which includes treating a fluoropolyoxyalkylene compound containing two or more —CF2O— units in the presence of an oxygen source.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: February 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masato Naitou, Takashi Nomura, Shinya Takano
  • Publication number: 20140243537
    Abstract: The present invention discloses high yielding enantioselective process for synthesis of Oseltamivir from readily available starting material, cis-1,4-butene diol. The process features incorporation of chirality using sharpless asymmetric epoxidation (AE) and diastereoselective Barbier allylation and construction of cyclohexene carboxylic acid ester core through a ring closing metathesis (RCM) reaction. Further also disclosed herein is synthesis of (?)-methyl 3-epi-shikimate.
    Type: Application
    Filed: October 25, 2012
    Publication date: August 28, 2014
    Applicant: Council of Scientific & Industrial Research
    Inventors: Varun Rawat, Soumen Dey, Sudalai Arumugam
  • Publication number: 20130292614
    Abstract: An electrical device containing as a component a C3 to C15 fluorooxirane fluid dielectric is provided.
    Type: Application
    Filed: January 18, 2012
    Publication date: November 7, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Phillip E. Tuma, Richard M. Minday, Zhongxing Zhang, Michael G. Costello, Richard M. Flynn, John G. Owens, Michael J. Bulinski
  • Publication number: 20120165385
    Abstract: The invention relates to novel compounds containing a carboxylic acid head group. The invention further provides compositions containing the novel compounds, a particulate solid and an organic medium or water.
    Type: Application
    Filed: March 5, 2012
    Publication date: June 28, 2012
    Applicant: LUBRIZOL LIMITED
    Inventor: Dean Thetford
  • Patent number: 7947975
    Abstract: A dopant composition for organic semiconductors is an electron acceptor characterized by an evaporation point above 150° C. or a glass phase. The dopant composition includes a compound represented by structural formula (1): wherein R1 to R5 are independently hydrogen, chlorine, fluorine, nitro, or cyano; or a phenyl or annulated aromatic group optionally substituted with chlorine or fluorine. Also included are doped organic semiconductors and organic electronic components comprising the dopant composition, and methods of preparing the doped organic semiconductor.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: May 24, 2011
    Assignee: Osram Opto Semiconductors GmbH
    Inventor: Andreas Kanitz
  • Patent number: 7557227
    Abstract: A process for producing hexafluoropropylene oxide, which comprises contacting a reaction product containing hexafluoropropylene oxide obtained by reacting hexafluoropropylene with oxygen, with at least one adsorbent selected from activated carbon and the following metal oxides, wherein the metal oxides are oxides of at least one metal selected from Groups 1 and 2 of the Periodic Table, Zr and Si.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: July 7, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Hirokazu Takagi, Kazuya Oharu, Keiichi Ohnishi
  • Publication number: 20080221342
    Abstract: A process for the preparation of aromatic N-glycidylamines is described, wherein an amine which contains at least one aromatic aminehydrogen atom is heated with at least 0.7 equivalent of epichlorohydrin per aminehydrogen equivalent of the aromatic amine, using a divalent or polyvalent metal salt of nitric acid, as a catalyst, dissolved in propylene carbonate, and the product is then dehydrochiorinated.
    Type: Application
    Filed: June 28, 2004
    Publication date: September 11, 2008
    Applicant: Huntsman Advanced Materials Americans Inc.
    Inventors: Roger Malherbe, Jean-Marc Pfefferle
  • Publication number: 20080221343
    Abstract: Conjugationally extended hydrazine compositions of the formula (RR2)N(H)n(NH2)n, fluorescent hydrazone compositions of the formula (RR2)NN?C(R1R2), methods of the formation of hydrazones from the reaction of conjugationally extended hydrazines with conjugationally extended carbonyls and methods of their use in assays systems are described. Use of these conjugationally extended hydrazine and oxime compositions for direct calorimetric and fluorometric assays wherein a chromophore or the fluorophore is incorporated into the linker that is positioned between a reactive linking moiety and a biotin molecule.
    Type: Application
    Filed: April 18, 2007
    Publication date: September 11, 2008
    Inventors: David A. Schwartz, Leopoldo Mendoza
  • Patent number: 6962633
    Abstract: A novel family of amine azides having a cyclic structure therein is disclosed. These compounds have attractive properties as rocket propellants.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: November 8, 2005
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Michael J. McQuaid
  • Patent number: 6800658
    Abstract: The present invention provides substituted 3,3-diphenyl indanone, indane and indole compounds, as well as analogues thereof, which are specific, potent and safe inhibitors of mammalian cell proliferation. The compounds can be used to inhibit mammalian cell proliferation in situ as a therapeutic approach towards the treatment or prevention of diseases characterized by abnormal cell proliferation, such as cancer.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: October 5, 2004
    Assignees: Children's Medical Center Corporation, President & Fellows of Harvard College, Nuchem Pharmaceuticals, Inc.
    Inventors: Carlo Brugnara, Jose Halperin, Rudolf Fluckiger, Emile M. Bellott, Jr., Richard John Lombardy, John J. Clifford, Ying-Duo Gao, Reem M. Haidar, Eugene W. Kelleher, Adel M. Moussa, Yesh P. Sachdeva, Minghua Sun, Heather N. Taft
  • Patent number: 6780995
    Abstract: A series of activated iodo-benzamide derivatives are described as antineoplastic and antiviral drug compounds. The compounds generally possess a chelating group, a thiol trapping group and an activating group. The presumptive mechanism of action in preventing cancer cell and virus replication is through inhibition of the binding of transcription factors to zinc finger binding domains. The compounds are effective in inhibiting growth of a variety of human and animal tumor and leukemia cell lines at low concentrations.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: August 24, 2004
    Assignee: Isotechnika Inc.
    Inventors: Randall W. Yatscoff, Robert T. Foster, Selvaraj Naicker
  • Patent number: 6511988
    Abstract: A series of activated iodo-benzamide derivatives are described as antineoplastic and antiviral drug compounds. The compounds generally possess a chelating group, a thiol trapping group and an activating group. The presumptive mechanism of action in preventing cancer cell and virus replication is through inhibition of the binding of transcription factors to zinc finger binding domains. The compounds are effective in inhibiting growth of a variety of human and animal tumor and leukemia cell lines at low concentrations.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: January 28, 2003
    Assignee: Isotechnika Inc.
    Inventors: Randall W. Yatscoff, Robert T. Foster, Selvaraj Naicker
  • Patent number: 6306871
    Abstract: A series of activated iodo-benzamide derivatives are described as antineoplastic and antiviral drug compounds. The compounds generally possess a chelating group, a thiol trapping group and an activating group. The presumptive mechanism of action in preventing cancer cell and virus replication is through inhibition of the binding of transcription factors to zinc finger binding domains. The compounds are effective in inhibiting growth of a variety of human and animal tumor and leukemia cell lines at low concentrations.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: October 23, 2001
    Inventors: Randall W. Yatscoff, Robert T. Foster, Selvaraj Naicker
  • Patent number: 6127407
    Abstract: The present invention provides substituted 3,3-diphenyl indanone, indane and indole compounds, as well as analogues thereof, which are specific, potent and safe inhibitors of mammalian cell proliferation. The compounds can be used to inhibit mammalian cell proliferation in situ as a therapeutic approach towards the treatment or prevention of diseases characterized by abnormal cell proliferation, such as cancer.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: October 3, 2000
    Assignees: Ion Pharmaceuticals, Inc., President and Fellows of Harvard College, Children's Medical Center Corporation
    Inventors: Carlo Brugnara, Jose Halperin, Rudolf Fluckiger, Emile M. Bellott, Jr., Richard John Lombardy, John J. Clifford, Ying-Duo Gao, Reem M. Haidar, Eugene W. Kelleher, Adel M. Moussa, Yesh P. Sachdeva, Minghua Sun, Heather N. Taft
  • Patent number: 6096773
    Abstract: A method for the inhibition of the binding of .alpha..sub.4 .beta..sub.1 integrin to its receptors, for example VCAM-1 (vascular cell adhesion molecule-1) and fibronectin; compounds that inhibit this binding; pharmaceutically active compositions comprising such compounds; and the use of such compounds either as above, or in formulations for the control or prevention of diseases states in which .alpha..sub.4 .beta..sub.1 is involved.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: August 1, 2000
    Assignee: Texas Biotechnology Corporation, Inc.
    Inventors: Ian L. Scott, Bore G. Raju, Ronald J. Biediger, Vanessa O. Grabbe, Jamal Kassir, Karin M. Keller, Timothy P. Kogan, deceased, Shuqun Lin, Robert V. Market
  • Patent number: 6043272
    Abstract: The present invention provides substituted 3,3-diphenyl indanone, indane and indole compounds, as well as analogues thereof, which are specific, potent and safe inhibitors of mammalian cell proliferation. The compounds can be used to inhibit mammalian cell proliferation in situ as a therapeutic approach towards the treatment or prevention of diseases characterized by abnormal cell proliferation, such as cancer.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: March 28, 2000
    Assignees: Ion Pharmaceuticals, Inc., President and Fellows of Harvard College, Children's Medical Center Corporation
    Inventors: Carlo Brugnara, Jose Halperin, Rudolf Fluckiger, Emile M. Bellott, Jr., Richard John Lombardy, John J. Clifford, Ying-Duo Gao, Reem M. Haidar, Eugene W. Kelleher, Adel M. Moussa, Yesh P. Sachdeva, Minghua Sun, Heather N. Taft
  • Patent number: 5808132
    Abstract: Heptafluoroisobutenyl methyl ether having the following formula: ##STR1## is oxidized with ozone to produce perfluoro(2-methyl-1,2-epoxy-propyl) methyl ether. The resulting intermediate compound is allowed to react with an aromatic compound ArH to produce .alpha.,.alpha.-bis(trifluoromethyl)arylacetic acid methyl ester having the following formula: ##STR2## By hydrolysis, decarboxylation and further hydrolysis of the ester compound, .alpha.,.alpha.-bis(trifluoromethyl)arylacetic acid for use as raw materials for medicines, agricultural chemicals, liquid crystals, etc. or reagents for determining an optical purity can be obtained.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: September 15, 1998
    Assignee: Nippon Mektron, Limited
    Inventors: Takehiro Sonoi, Toshimasa Sagawa, Futoshi Masaki, Toshio Kubota
  • Patent number: 5753776
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 19, 1998
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy J. Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5739178
    Abstract: A polymeric material incorporating a polyvalent cation chelating agent in an amount effective to inhibit the growth of an ocular pathogen, particularly a protozoan, can be used to produce eye care products such as contact lens cases and containers for containing eye care solutions and contact lenses.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: April 14, 1998
    Assignee: Allergan
    Inventors: Charles Hayes Powell, David C. Rupp
  • Patent number: 5674949
    Abstract: This invention pertains to a method for liquid-phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 7, 1997
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5569774
    Abstract: Chlorine-substituted olefins I ##STR1## (R.sup.1 =organic radical; R.sup.2 =--CN, --CO--R.sup.3, --CO--S--R.sup.3, --CO--O--R.sup.3 --CO--N(R.sup.4,R.sup.5); R.sup.3 =organic radical; R.sup.4, R.sup.5 =H, organic radical)are prepared by reacting oxiranes II ##STR2## in the presence of a carboxamide (IIIa) or of a lactam (IIIb) in liquid phase with a chlorinating agent (IV). The products I are important intermediates for dyes, drugs and crop protection agents.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: October 29, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Schaefer, Irene Troetsch-Schaller
  • Patent number: 5539059
    Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 23, 1996
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5461117
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: October 24, 1995
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy J. Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5332790
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: July 26, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5322904
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: June 21, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy J. Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5322903
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: June 21, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5266365
    Abstract: The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poling the polymeric material under high voltage at elevated temperature for a period of time to bring about orientation of the nonlinear optical functionalities in the polymer. The polymers have enhanced thermal stability and good NLO properties.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: November 30, 1993
    Assignee: The Dow Chemical Company
    Inventors: John J. Kester, H. Craig Silvis
  • Patent number: 5227501
    Abstract: Disclosed is a novel fluorine-containing epoxide compound 6-iodo-undecafluoro-1,2-epoxy hexane which can be prepared by the epoxidation reaction of 6-iodo-undecafluoro-1-hexene with a hypochlorite such as sodium hypochlorite in a two-phase reaction system consisting of an organic phase and an aqueous phase in the presence of a quaternary ammonium compound as the catalyst.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: July 13, 1993
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shinichi Sato, Yasuo Tarumi, Takashi Matsuda, Hiromasa Yamaguchi
  • Patent number: 5177226
    Abstract: Perfluoropolyethers having fluorinated epoxy groups positioned along their perfluoropolyether chain, and free from peroxidic oxygen, are obtained by means of a low-temperature oxidation process, in the liquid phase, with molecular oxygen and in the presence of U.V. light, of a mixture of a perfluorinated monoolefin and a perfluorinated coniugated diene, and of the subsequent photochemical decomposition of the peroxy groups contained in the photoxidation product, carried out by treating the peroxy-groups-containing product with U.V. light at a temperature comprised within the range of from 0.degree. C. to 160.degree. C. Derivatives of said epoxy containing perfluoropolyethers in which the epoxy groups have been turned into functional groups.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: January 5, 1993
    Assignee: Ausimont S.p.A.
    Inventors: Giuseppe Marchionni, Ugo De Patto, Ezio Strepparola, Gian T. Viola
  • Patent number: 5149842
    Abstract: A process is disclosed for preparing peroxidic perfluoropolyethers comprising perfluoroalkylenoxy units having at least two carbon atoms, characterized in that one or more perfluoroolefins, except tetrafluoroethylene used alone, are reacted with oxygen in the liquid phase at a temperature not exceeding 50.degree. C. and in the presence of one or more compounds having one or more F-X bonds, in which X is selected from the group consisting of F, O and Cl.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: September 22, 1992
    Assignee: AUSTIMONT S.r.l.
    Inventors: Dario Sianesi, Antonio Marraccini, Giuseppe Marchionni
  • Patent number: 5112934
    Abstract: The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poling the polymeric material under high voltage at elevated temperature for a period of time to bring about orientation of the nonlinear optical functionalities in the polymer. The polymers have enhanced thermal stability and good NLO properties.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: May 12, 1992
    Assignee: The Dow Chemical Company
    Inventors: John J. Kester, H. Craig Silvis
  • Patent number: 5093432
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: March 3, 1992
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Patent number: 5059700
    Abstract: Perfluoropolyethers having fluorinated epoxy groups positioned along their perfluoropolyether chain, and free from peroxidic oxygen, are obtained using a low-temperture oxidation process, in the liquid phase, with molecular oxygen and in the presence of U.V. light, of a mixture of a perfluorinated monoolefin and a perfluorinated conjugated diene, and of the subsequent photochemical decomposition of the peroxy groups contained in the photoxidation product, carried out by treating the peroxy-groups-containing product with U.V. light at a temperature within the range of from 0.degree. C. to 160.degree. C. Derivatives of said epoxy containing perfluoropolyethers in which the epoxy groups have been turned into functional groups.
    Type: Grant
    Filed: July 30, 1990
    Date of Patent: October 22, 1991
    Assignee: Ausimont S.p.A.
    Inventors: Giuseppe Marchionni, Ugo De Patto, Ezio Strepparola, Gian Tommaso Viola
  • Patent number: 5041559
    Abstract: Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the .gamma.-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general formula [III], ##STR3## and the general formula [IV], ##STR4## (where, R denotes a C.sub.1 -C.sub.10 substituted or unsubstituted alkyl group or substituted or unsubstituted phenyl group; A denotes a silyl group represented by ##STR5## a stannyl group represented by ##STR6## or a halogen atom. R.sup.1, R.sup.2, and R.sup.3 are substituted or unsubstituted C.sub.1 -C.sub.10 alkyl groups or substituted or unsubstituted phenyl group, which may be the same or different, provided that this does not apply in the case where A represents a stannyl group or halogen atom in the general formulas [III] and [IV].); a process for producing the same, and a process for resolving the optically active alcohol into isomers of high optical purity.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: August 20, 1991
    Assignee: Nissan Chemical Industries, Ltd.
    Inventor: Fumie Sato
  • Patent number: 4987236
    Abstract: Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the .gamma.-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general formula [III], ##STR3## and the general formula [IV], ##STR4## (where, R denotes a C.sub.1 -C.sub.10 substituted or unsubstituted alkyl group or substituted or unsubstituted phenyl group; A denotes a silyl group represented by ##STR5## a stannyl group represented by ##STR6## or a halogen atom, R.sup.1, R.sup.2, and R.sup.3 are substituted or unsubstituted C.sub.1 -C.sub.10 alkyl groups or substituted or unsubstituted phenyl group, which may be the same or different, provided that this does not apply in the case where A represents a stannyl group or halogen atom in the general formulas [III] and [IV].); a process for producing the same, and a process for resolving the optically active alcohol into isomers of high optical purity.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: January 22, 1991
    Assignee: Nissan Chemical Industries, Ltd.
    Inventor: Fumie Sato
  • Patent number: 4902812
    Abstract: Provided herein is an optically active alcohol having a silyl group, stannyl group, or halogen atom at the .gamma.-position, selected from compounds represented by the general formula [I], ##STR1## the general formula [II], ##STR2## the general formula [III], ##STR3## and the general formula [IV], ##STR4## (where, R denotes a C.sub.1 -C.sub.10 substituted or unsubstituted alkyl group or substituted or unsubstituted phenyl group; A denotes a silyl group represented by ##STR5## a stannyl group represented by ##STR6## or a halogen atom. R.sup.1, R.sup.2, and R.sup.3 are substituted or unsubstituted C.sub.1 -C.sub.10 alkyl groups or substituted or unsubstituted phenyl group, which may be the same or different, provided that this does not apply in the case where A represents a stannyl group or halogen atom in the general formulas [III] and [IV].); a process for producing the same, and a process for resolving the optically active alcohol into isomers of high optical purity.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: February 20, 1990
    Assignee: Nissan Chemical Industries, Ltd.
    Inventor: Fumie Sato
  • Patent number: 4751312
    Abstract: A new process for the controlled synthesis of the two diasteromeric forms of triazolyl-O,N-acetals of the formula ##STR1## in which R represents optionally substituted phenyl, optionally substituted phenoxy, optionally substituted alkoxy, optionally substituted alkoxy, optionally substituted alkylthio, alkylcarbonyl, nitro or halogen andn represents an integer from 0 to 5, with the proviso that R can represent identical or different radicals, if n represents an integer from 2 to 5.New trans-substituted oxiranes and their use as intermediates for the synthesis of compounds of the formula (I).
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: June 14, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Johann Gasteiger, Karlheinz Kaufmann, Rudolf Mengel
  • Patent number: 4745202
    Abstract: Aerocavin, a novel antibiotic substance having the structure ##STR1## and aerocyanidin, a novel antibiotic substance having the structure ##STR2## can be prepared by cultivation of the microorganism Aerocavin caviae SC 14,030 A.T.C.C. No. 53434.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: May 17, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Wen-Chih Liu, William L. Parker, Pushpa Singh, Richard B. Sykes
  • Patent number: 4717760
    Abstract: Epoxides of the invention are those of the formula ##STR1## wherein J is H or F, the same in each occurrence; Q is a valence bond or --O--, the same in each occurrence; and Y is H or F, independently. When cured, these epoxides are superior in moisture resistance, flame retardance, and thermal stability to the corresponding non-fluorinated, prior art epoxides. The epoxides of the preceding formula may be made by first reacting an allylic halide of the formula CJ.sub.2 .dbd.CJ--CJ.sub.2 --X, wherein X is halogen, with a compound of the formula ##STR2## wherein Z is MO, hal.Mg or Ag; M is an alkali metal; and hal=Br or I; then if Y is to be F, converting the --CH group to a --CF group, and finally, oxidizing the CJ.sub.2 .dbd.CJ group to a ##STR3## group.
    Type: Grant
    Filed: July 10, 1986
    Date of Patent: January 5, 1988
    Assignee: The Dow Chemical Company
    Inventors: Theodore L. Parker, Robert R. Stringham
  • Patent number: 4686299
    Abstract: Aerocavin, a novel antibiotic substance having the structure ##STR1## and aerocyanidin, a novel antibiotic substance having the structure ##STR2## can be prepared by cultivation of the microorganism Aerocavin caviae SC 14,030 A.T.C.C. No. 53434.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: August 11, 1987
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Wen-Chih Liu, William L. Parker, Pushpa Singh, Richard B. Sykes
  • Patent number: 4384128
    Abstract: Perfluoroglycidyl ethers of the formula ##STR1## are prepared by epoxidation of a perfluoroallyl ether of the formulaCF.sub.2 .dbd.CFCF.sub.2 OR.sub.F.The glycidyl ethers are useful as monomers for preparing polymers which are useful as stable oils and greases. Polymers containing functional moieties which provide crosslinking or cure sites are stable elastomeric materials useful as sealants, caulks, and fabricated objects.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: May 17, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Carl G. Krespan, Alicia P. King
  • Patent number: 4377705
    Abstract: Perfluoroglycidyl ethers of the formula ##STR1## are prepared by epoxidation of a perfluorodiallyl ether of the formulaCF.sub.2 =CFCF.sub.2 OR.sub.F.The glycidyl ethers are useful as monomers for preparing polymers which provide crosslinking or cure sites and are stable elastomeric materials useful as sealants, caulks, and fabricated objects.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: March 22, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Carl G. Krespan, Thomas R. Darling