John Roberts

Person

  • Cheshire, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Paper sizing composition

    • Patent number 7,585,391
    • Issue date Sep 8, 2009
    • Ciba Specialty Chemicals Corporation
    • Kenneth Sundberg
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Rosin emulsion

    • Patent number 6,369,119
    • Issue date Apr 9, 2002
    • Rasio Chemcials UK Ltd
    • John C. Roberts
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    Paper sizing composition

    • Publication number 20050224202
    • Publication date Oct 13, 2005
    • Kenneth Sundberg
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE