Patents by Inventor Elke Schlosser

Elke Schlosser 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: 6964746
    Abstract: The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: November 15, 2005
    Assignee: Clariant GmbH
    Inventors: Elke Schlosser, Wolfgang Wanzke, Christian Lechner
  • Publication number: 20050173684
    Abstract: The invention relates to a flame retardant combination comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is calcium ions, magnesium ions, aluminum ions and/or zinc ions, m is 2 or 3; n is 1 or 3; x is 1 or 2; and comprising a component B1, B2 and/or B3 wherein B1 is a salt of 1,3,5-triazine compound with polyphosphoric acid, and wherein B2 is a melamine polymetaphosphate, and wherein B3 is a composite salt of polyphosphoric acid with melamine, melam and/or melem.
    Type: Application
    Filed: July 23, 2003
    Publication date: August 11, 2005
    Inventors: Elke Schlosser, Bernd Nass, Wolfgang Wanzke
  • Publication number: 20050137300
    Abstract: The invention relates to a flame retardant and stabilizer combined for thermoplastic polymers, which comprises, as component A, a phosphinic salt of the formula (I) and/or a diphosphinic salt of the formula (II), and/or polymers of these, where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4, and which comprises, as component B, at least one chain extender from the following classes of compounds b1) bislactams, b2) bisoxazolines or bisoxazines, and/or b3) epoxides, b4) anhydrides of polybasic carboxylic acids.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 23, 2005
    Inventors: Elke Schlosser, Hans-Matthias Deger, Sebastian Hoerold
  • Publication number: 20050014874
    Abstract: The invention relates to flame-retardant aromatic or semiaromatic copolyamides comprising, as flame retardant, at least one phosphinic salt of the formula (I), and/or one diphosphinic salt of the formula (II), and/or polymers of these, where R1, R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na; K and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4.
    Type: Application
    Filed: July 13, 2004
    Publication date: January 20, 2005
    Inventors: Sebastian Hoerold, Wolfgang Wanzke, Ottmar Schacker, Elke Schlosser
  • Publication number: 20050009941
    Abstract: The invention relates to flame retardants which comprise titanium phosphinates and/or titanyl phosphinates of the formulae (I) and (II) where R1 and R2 are identical or different and are unsubstituted or substituted linear or branched or cyclic C1-C10-alkyl groups or C6-C10-aryl, C7-C18-alkylaryl, or C7-C18-arylalkyl groups, and R3 is an unsubstituted or substituted linear or branched or cyclic C1-C10-alkylene group, C6-C10-arylene, C7-C18-alkylarylene, or C8-C18-arylalkylene group, and x is a number from 0 to 1.9. The invention also relates to molding compositions which comprise the inventive flame retardant.
    Type: Application
    Filed: May 20, 2004
    Publication date: January 13, 2005
    Inventors: Martin Sicken, Elke Schlosser
  • Publication number: 20040176506
    Abstract: The invention relates to novel fusible zinc phosphinates of the formula (I) and/or polymers thereof 1
    Type: Application
    Filed: March 4, 2004
    Publication date: September 9, 2004
    Applicant: Clariant GmbH
    Inventors: Martin Sicken, Elke Schlosser, Wolfgang Wanzke, Detlef Burghardt
  • Publication number: 20040051088
    Abstract: The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters.
    Type: Application
    Filed: June 12, 2003
    Publication date: March 18, 2004
    Applicant: Clariant GmbH
    Inventors: Elke Schlosser, Wolfgang Wanzke, Christian Lechner
  • Patent number: 6547992
    Abstract: The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M are calcium ions, aluminum ions and/or zinc ions; m is 2 or 3; n is 1 or 3; x is 1 or 2, and, as component B, a synthetic inorganic compound and/or a mineral product.
    Type: Grant
    Filed: January 29, 2000
    Date of Patent: April 15, 2003
    Assignee: Clariant GmbH
    Inventors: Elke Schlosser, Bernd Nass, Wolfgang Wanzke
  • Patent number: 6344158
    Abstract: The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a salt of 1-hydroxydihydrophosphole oxides of formula (Ia) or formula (Ib) and/or 1-hydroxyphospholane oxides of formula (II), and, as component B, a synthetic inorganic compound and/or a mineral product.
    Type: Grant
    Filed: January 29, 2000
    Date of Patent: February 5, 2002
    Assignee: Clariant GmbH
    Inventors: Elke Schlosser, Bernd Nass, Wolfgang Wanzke
  • Patent number: 6255371
    Abstract: The invention relates to a novel flame retardant combination comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is calcium ions, magnesium ions, aluminum ions and/or zinc ions, preferably aluminium or zinc; m is 2 or 3; n is 1 or 3; x is 1 or 2; and comprising, as component B, condensation products of melamine and/or reaction products of melamine with phosphoric acid and/or reaction products of condensation products of melamine with phosphoric acid and/or comprising a mixture of these. The invention also relates to the use of the abovementioned flame retardant combination, especially in thermoplastic polymers.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: July 3, 2001
    Assignee: Clariant GmbH
    Inventors: Elke Schlosser, Bernd Nass, Wolfgang Wanzke