Patents by Inventor Leonardus Franciscus Peeters

Leonardus Franciscus Peeters 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: 7686993
    Abstract: The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: March 30, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Fridolin Bäbler, Leonardus Franciscus Peeters
  • Publication number: 20040217512
    Abstract: The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.
    Type: Application
    Filed: March 8, 2004
    Publication date: November 4, 2004
    Inventors: Fridolin Babler, Leonardus Franciscus Peeters