Patents by Inventor Torbjorn Grennes

Torbjorn Grennes 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).

  • Thin-walled rubber article with walls having a relatively high degree of tear
    Patent number: 5444121
    Abstract: A thin-walled rubber article with a high tear resistance prepared by dip forming, comprising styrene-isoprene-styrene (S-I-S) triblock copolymer, and styrene-butadiene-styrene (S-B-S)-triblock copolymer with a S-I-S content from 10-75% by weight.
    Type: Grant
    Filed: October 15, 1993
    Date of Patent: August 22, 1995
    Assignee: DanPren A/S
    Inventors: Torbjorn Grennes, Bent Nielsen