Patents by Inventor Jean Deltour

Jean Deltour 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: 3983684
    Abstract: The invention relates to a new highly elastic textured thread obtained by a process which consists in treating by false twisting a synthetic thread previously drawn in a cracking bath, the process being characterized in that, on the one hand, the level of the twist imparted temporarily to the thread during the treatment of false twist is much higher than that usually imparted, and that, on the other hand, the heat treatment in the supertwisted state is carried out at a temperature higher than that utilized for threads obtained according to French Pat. No. 1,587,619, but lower than the usual temperature utilized for threads of the same chemical nature but not drawn in a cracking bath.
    Type: Grant
    Filed: January 22, 1973
    Date of Patent: October 5, 1976
    Assignee: Chavanoz S.A.
    Inventor: Jean Deltour