Richard H. Kokel

Person

  • Wexford, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Paper dye

    • Patent number 5,883,233
    • Issue date Mar 16, 1999
    • Bayer Corporation
    • Joseph C. Catlin
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE