Patents by Inventor Bernardus M. Tangelder

Bernardus M. Tangelder 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: 6432395
    Abstract: A less irritating cleaning composition is provided containing only naturally derived components. The composition preferably comprises lactic acid or other C2-C6 organic acid, alkyl polyglucoside, alkyl glucoester and collagen protein.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: August 13, 2002
    Assignee: Cogent Environmental Solutions Ltd.
    Inventors: Michael R. Rochon, Bernardus M. Tangelder
  • Patent number: 6379686
    Abstract: A composition for treating a substrate to control dust mite populations thereon. The composition includes a fluoropolymer, a biocide, and an acaricide.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: April 30, 2002
    Assignee: MagiSeal Corporation
    Inventors: James T. Harris, Bernardus M. Tangelder