Patents by Inventor Henry A. LeBlanc

Henry A. LeBlanc 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).

  • Bacterial cellulose as surface treatment for fibrous web
    Patent number: 4861427
    Abstract: A fibrous web product with a surface treatment containing bacterial cellulose and a method of surface treating such fibrous webs. The bacterial cellulose is applied to at least one surface of a fibrous web, to make products such as printing material suitable for magazines or advertisements, by use of conventional paper manufacturing equipment. The bacterial cellulose may be applied singularly or in combination with other materials such as fillers or pigments. Bacterial cellulose applied at relatively low concentrations gives excellent properties of gloss, smoothness, ink receptivity and holdout, and surfaces strength.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: August 29, 1989
    Assignee: Weyerhaeuser Company
    Inventors: Donald C. Johnson, Amar N. Neogi, Henry A. LeBlanc