Patents by Inventor Irwin M. Hutten

Irwin M. Hutten 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: 5238534
    Abstract: A method for the production of a fibrous web having textile length fibers wherein a fiber furnish is formed by dispersion of the fibers in an unfoamed carrier medium of water and an associative thickener of ethylene oxide base urethane block copolymers or hydroxyethylcellulose ethers having a C.sub.10 to C.sub.24 alkyl side chain in an amount within the range of from about 1 to about 150 pounds of thickener per ton of dry fiber and including an anionic viscosity modifier in the range of 10 to 500 ppm. The furnish having a consistency in the range of 0.05 to 0.2 weight percent fibers is supplied to a high speed papermaking machine for forming a fibrous web. The textile length fibers may be polyester fibers being 1.5 denier and 3/4 inches. The high speed papermaking machine may be a twin-wire papermaking machine or a suction breast roll papermaking machine or a crescent former papermaking machine.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: August 24, 1993
    Assignee: James River Corporation of Virginia
    Inventors: James H. Manning, Irwin M. Hutten
  • Patent number: 5094717
    Abstract: A wetlaid paper-like nonwoven structure having a permanent crepe which does not wash out. The paper-like structure contains a synthetic bicomponent fiber in an amount of less than 20% by weight and as such possesses both wet and dry strength and improved absorbent properties.
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: March 10, 1992
    Assignee: James River Corporation of Virginia
    Inventors: James H. Manning, Irwin M. Hutten