Cecil Vivian Stead

Person

  • Manchester, EN

Patents Grantslast 30 patents

  • Information Patent Grant

    Azo dyestuffs

    • Patent number 4,091,021
    • Issue date May 23, 1978
    • Imperial Chemical Industries Limited
    • Herbert Francis Andrew
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Phosphonophenylaminonaphthalene compounds

    • Patent number 4,051,175
    • Issue date Sep 27, 1977
    • Imperial Chemical Industries Limited
    • Herbert Francis Andrew
    • C07 - ORGANIC CHEMISTRY