Patents by Inventor Rajinder S. Seth

Rajinder S. Seth 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).

  • Process for improving and retaining pulp properties
    Patent number: 4431479
    Abstract: A method is provided for treating pulp fibres, that have already been curled which method comprises: subjecting the pulp to a heat treatment while the pulp is at a high consistency, thereby to render the curl permanent to subsequent mechanical action. This permanent curl has advantages for papermachine runnability and for increasing the toughness of the finished product.
    Type: Grant
    Filed: May 11, 1982
    Date of Patent: February 14, 1984
    Assignee: Pulp and Paper Research Institute of Canada
    Inventors: Michel Barbe, Rajinder S. Seth, Derek H. Page