Patents by Inventor Baerbel Meyer

Baerbel Meyer 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).

  • Preparation of polymeric polyesterols
    Patent number: 5830944
    Abstract: Polymeric polyesterols are prepared by in-situ polymerization of ethylenically unsaturated monomers in polyesterols in the presence of prepolymers made from polyesterols and isocyanates.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: November 3, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Baerbel Meyer, Gerd Mueller-Hagen, Bernd Guettes
  • Polyetheresterols, their preparation, and their use in polyurethanes
    Patent number: 5488074
    Abstract: The invention relates to polyetheresterols obtained by condensation of a polyfunctional carboxylic acid with an alcohol component, wherein the alcohol component comprises a mixture of alkanediols and etherdiols of the formula ##STR1## where m=1 to 3n.gtoreq.3 andR.sup.I, R.sup.II, R.sup.III and R.sup.IV are identical or different and, independently of one another, are hydrogen or C.sub.1 - to C.sub.4 -alkyl,and the ratio between ether and ester groups in the polyetheresterol is in the range from 0.3:1 to 1.5:1, which are suitable, in particular, for the preparation of polyurethanes having reduced fogging.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: January 30, 1996
    Assignee: BASF Schwarzheide GmbH
    Inventors: Gerd Mueller-Hagen, Horst Heinrich, Baerbel Meyer
  • Polyetheresterols, their preparation, and their use in polyurethanes
    Patent number: 5453480
    Abstract: The invention relates to polyetheresterols obtained by condensation of a polyfunctional carboxylic acid with an alcohol component, wherein the alcohol component comprises a mixture of alkanediols and etherdiols of the formula ##STR1## where m=1 to 3n.gtoreq.3 andR.sup.I, R.sup.II, R.sup.III and R.sup.IV are identical or different and, independently of one another, are hydrogen or C.sub.1 - to C.sub.4 -alkyl,and the ratio between ether and ester groups in the polyetheresterol is in the range from 0.3:1 to 1.5:1, which are suitable, in particular, for the preparation of polyurethanes having reduced fogging.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: September 26, 1995
    Assignee: BASF Schwarzheide GmbH
    Inventors: Gerd Mueller-Hagen, Horst Heinrich, Baerbel Meyer