Patents by Inventor Hans-Gunter Kostler

Hans-Gunter Kostler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10351776
    Abstract: The present invention relates to triazine-intercalated metal phosphates including at least one monomer unit of the following general formula (I): (A-H)a(+)[Mbm+(H2PO4)x1(?)(HPO4)x22(?)(PO4)x33(?)(PO3)y(?)](a?)*pH2O??(I) The invention further relates to the use thereof, the specific compounds of the general formula (I), to the preparation thereof, and to compositions.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: July 16, 2019
    Assignee: J.M. Huber Corporation
    Inventors: Hans-Günter Köstler, Trupte Dave, Wolfgang Wehner
  • Patent number: 10221301
    Abstract: The invention relates to flame retardants for plastics such as, for example, synthetic polymers and plastic compositions, as well as corresponding production methods and uses.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: March 5, 2019
    Assignee: J.M. Huber Corporation
    Inventors: Marcus Leistner, Rudolf Pfaendner, Trupti Dave, Hans-Günter Köstler, Wolfgang Wehner, Yann Bourgeois
  • Publication number: 20170349835
    Abstract: The present invention relates to triazine-intercalated metal phosphates including at least one monomer unit of the following general formula (I): (A-H)a(+)[Mbm+(H2PO4)x1(?)(HPO4)x22(?)(PO4)x33(?)(PO3)y(?)](a?)*pH2O??(I) The invention further relates to the use thereof, the specific compounds of the general formula (1), to the preparation thereof, and to compositions.
    Type: Application
    Filed: June 22, 2017
    Publication date: December 7, 2017
    Inventors: Hans-Günter Köstler, Trupte Dave, Wolfgang Wehner
  • Patent number: 9708538
    Abstract: The present invention relates to flame retardant compositions comprising (a) at least one triazine-intercalated metal phosphate with open framework structure with at least one monomer unit of the following general formula (I): (A-H)a(+)[Mbm+(H2PO4)x1(?)(HPO4)x22(?)(PO4)x33(?)(PO3)y(?)](a?)*pH2O??(I) and (b) at least one flame retardant component other than (a). The invention further relates to the use thereof, the specific compounds of the general formula (I) and to the preparation thereof.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: July 18, 2017
    Assignee: J.M. Huber Corporation
    Inventors: Hans-Günter Köstler, Trupte Dave, Wolfgang Wehner
  • Publication number: 20150376375
    Abstract: The invention relates to flame retardants for plastics such as, for example, synthetic polymers and plastic compositions, as well as corresponding production methods and uses.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 31, 2015
    Inventors: Marcus Leistner, Rudolf Pfaendner, Trupti Dave, Hans-Günter Köstler, Wolfgang Wehner, Yann Bourgeois
  • Publication number: 20140361230
    Abstract: The present invention relates to flame retardant compositions comprising (a) at least one triazine-intercalated metal phosphate with open framework structure with at least one monomer unit of the following general formula (I): (A-H)a(+)[Mbm+(H2PO4)x1(?)(HPO4)x22(?)(PO4)x33(?)(PO3)y(?)](a?)*pH2O??(I) and (b) at least one flame retardant component other than (a). The invention further relates to the use thereof, the specific compounds of the general formula (I) and to the preparation thereof.
    Type: Application
    Filed: August 5, 2011
    Publication date: December 11, 2014
    Inventors: Hans-Gunter Kostler, Trupte Dave, Wolfgang Wehner
  • Patent number: 5272192
    Abstract: Compositions containinga) a chlorine-containing polymer,b) 0.01 to 1% by weight, relative to the chlorine-containing polymer, of a compound of the formula I and/or its hydrochloride, ##STR1## in which R is C.sub.6 -C.sub.20 alkyl, C.sub.3 -C.sub.20 alkyl interrupted by 1 to 5 oxygen atoms, C.sub.1 -C.sub.20 alkyl substituted by 1 to 5 OH, C.sub.3 -C.sub.20 alkenyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.1 -C.sub.4 alkyl-substituted C.sub.3 -C.sub.8 cycloalkyl, C.sub.7 -C.sub.11 phenylalkyl, C.sub.7 -C.sub.11 phenylalkyl which is substituted on the phenyl by 1 to 3 radicals, these radicals, independently of one another, being hydroxyl, chlorine, C.sub.1 -C.sub.4 alkyl, methoxy or ethoxy, or R is furthermore a group of the formula IIa or IIb, ##STR2## in which X is C.sub.1 -C.sub.20 alkyloxy, C.sub.1 -C.sub.20 alkylthio, phenyloxy, phenylthio, benzyloxy or benzylthio, and R.sub.1, R.sub.2 and R.sub.3, independently of one another, are hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.1 -C.sub.20 alkyloxy, C.sub.1 -C.sub.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: December 21, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Hans-Gunter Kostler
  • Patent number: 4390538
    Abstract: The invention relates to triorgano-tin triazine compounds of the formula ##STR1## wherein X' is --S--Y--COOSn(R').sub.3, --O--Y--COOSn(R').sub.3 or --NH--Y--COOSn(R').sub.3, each of X" and X'" has the same meaning as X' or is halogen, (C.sub.1 -C.sub.6 alkyl).sub.2 N--, (C.sub.1 -C.sub.6 alkyl)--NH--, (C.sub.1 -C.sub.6 alky)--O-- or (C.sub.1 -C.sub.6 alkyl)--S--, Y is C.sub.1 -C.sub.6 alkylene, and the radicals R' can be the same or different and are C.sub.1 -C.sub.6 alkyl, bennzyl, phenyl or cycohexyl, each of which is unsubstituted or substituted.A process for the production of thee compounds, starting compounds suitable for this process, and the use of the compounds of formula I in pest control are also described.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: June 28, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Saleem Farooq, Hans-Gunter Kostler
  • Patent number: 4374145
    Abstract: The invention relates to organo-tin ammonium salts of the formula ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is hydrogen, alkyl, unsubstituted or acylated haloalkyl, halohydroxyalkyl, hydroxyalkyl, dihaloalkyl, or epoxyalkyl; R.sub.4 is unsubstituted or acylated haloalkyl, halohydroxyalkyl, hydroxyalkyl, dihaloalkyl, epoxyalkyl or benzyl; R.sub.5 is C.sub.1 -C.sub.6 -alkyl, cyclohexyl or phenyl; each of R.sub.6 and R.sub.7 is halogen, C.sub.1 -C.sub.6 -alkyl, cyclohexyl or phenyl; and each of X.sub.1 to X.sub.4 is halogen.A process for the production of these compounds and their use in pest control are also described.
    Type: Grant
    Filed: September 14, 1981
    Date of Patent: February 15, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Saleem Farooq, Hans-Gunter Kostler
  • Patent number: 4327016
    Abstract: Compounds of the formula ##STR1## wherein each R independently is hydrogen or C.sub.1 -C.sub.4 alkyl, Y is the --OR' or --S--R" group, in which R' is C.sub.12 -C.sub.16 alkyl and R" is C.sub.8 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.6 -C.sub.20 aryl or C.sub.7 -C.sub.20 aralkyl, m is an integer from 1 to 6, and n is 1 or 2. These compounds are stabilizers for halogen-containing thermoplastics.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: April 27, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Horst Muller, Hans-Gunter Kostler
  • Patent number: 4301085
    Abstract: A process for the production of compounds of the formula ICH.sub.3 (R)SnCl.sub.2 (I)wherein R is C.sub.4 -C.sub.20 alkyl, which process comprises reacting dimethyl tin dichloride and R-Cl, wherein R has the above meaning, in the presence of a catalyst of the formula IIR'(R").sub.3 M.sup..sym. X.sup..crclbar. (II)wherein R' is C.sub.1 -C.sub.20 alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkoxy, or is C.sub.7 -C.sub.20 aralkyl, the aryl moiety of which can be substituted by halogen or C.sub.1 -C.sub.4 alkoxy, R" has the same meaning as assigned to R' or is phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, M.sup..sym. is a cation N, P or Sb, and X is an anion selected from the group consisting of chlorine, SnCl.sub.3, CH.sub.3 -SnCl.sub.4, (CH.sub.3).sub.2 SnCl.sub.3, SnCl.sub.5 or SbCl.sub.4.The compounds of the formula I are intermediates for obtaining stabilizers for halogen-containing thermoplastics.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: November 17, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Wehner, Hans-Gunter Kostler