Patents by Inventor Serge Huybrechts

Serge Huybrechts 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).

  • Cables with low MS HEC water-blocking material
    Patent number: 4953946
    Abstract: An electrical or fibre optic cable comprising one or more conducting filaments within a protective sheath are provided. The cable is characterized by having HEC powder between the filaments and the protective sheath. The HEC powder is of a type having an MS value between 0.7 and 1.25 and has not been treated with glyoxal.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: September 4, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Serge Huybrechts
  • Preparation of cellulose ethers
    Patent number: 4918180
    Abstract: A process for reducing the dust content of cellulose ethers comprises reacting the cellulose ether with an aggregating agent comprising (1) a polypropylene glycol or a propoxylated alcohol and (2) an ethylene oxide/propylene oxide copolymer.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: April 17, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventor: Serge Huybrechts