Patents by Inventor Stewart Shepler

Stewart Shepler 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).

  • Paint compositions containing reactive urea/urethanes
    Patent number: 6359059
    Abstract: Low VOC automotive paint compositions containing reactive urea/urethanes are disclosed. Clearcoat and single stage topcoat formulations are found to be especially useful according to this invention.
    Type: Grant
    Filed: March 7, 1997
    Date of Patent: March 19, 2002
    Assignee: BASF Corporation
    Inventors: Stewart Shepler, Patrick J. Mormile, Sudhakar Dantiki, David W. Braun
  • Single stage carbodiimide containing coating compositions
    Patent number: 6329491
    Abstract: Non-isocyanate single stage coating compositions are disclosed. The composition is especially useful in air-dry systems and comprises a co-reactant having active hydrogen functionality, at least one anhydride functional co-reactant and a novel carbodiimide compound.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: December 11, 2001
    Assignee: BASF Corporation
    Inventors: Patrick J. Mormile, Anthony J. Tye, Stewart Shepler
  • Coating composition containing hydroxyl groups, and its use in processes for the production of coatings
    Patent number: 6107403
    Abstract: The present invention relates to coating compositions comprising(A) at least one component which contains hydroxyl groups, consisting of at least one polyacrylate resin which contains hydroxyl groupsand(B) at least one crosslinking agent,characterized in thatan aromatic carboxylic acid or of an anhydride is added to component (A) after its preparation or to the coating composition.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: August 22, 2000
    Assignee: BASF Corporation
    Inventor: Stewart Shepler
  • Automotive undercoat coating compositions containing reactive urea/urethane compounds
    Patent number: 5977245
    Abstract: Low VOC automotive sealer compositions containing reactive urea/urethane compounds are disclosed. Sealers and tintable sealers utilyzing the reactive urea/urethane compounds have improved physical properties with a faster dry times without sacrificing other desirable properties. These compositions are found to be useful for automotive refinish according to this invention.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: November 2, 1999
    Assignee: BASF Corporation
    Inventors: Rajnikant P. Shah, Sudhakar Dantiki, Stewart Shepler
  • Coating compositions which may be ambient cured
    Patent number: 5214086
    Abstract: Coating Compositions are disclosed which may be ambient cured and are especially useful in refinish paint compositions. The Coating Compositions comprise at least one hydroxy functional resin, at least one isocyanate functional resin and a aldimine or ketimine.
    Type: Grant
    Filed: September 4, 1991
    Date of Patent: May 25, 1993
    Assignee: BASF Corporation
    Inventors: Patrick J. Mormile, Sudhakar Dantiki, Daniel Guyomard, Stewart Shepler, Bradley M. Richards