Paul Kerwin

Person

  • Bridge of Weir, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Azo lake pigment composition

    • Patent number 6,402,828
    • Issue date Jun 11, 2002
    • Ciba Specialty Chemicals Corporation
    • Greig Chisholm
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Production process

    • Patent number 6,031,030
    • Issue date Feb 29, 2000
    • Ciba Speicialty Chemicals Corporation
    • Robert Langley
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Pigment compositions

    • Patent number 6,007,612
    • Issue date Dec 28, 1999
    • Ciba Specialty Chemicals Corporation
    • Paul Kerwin
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the production of ink concentrates

    • Patent number 5,964,929
    • Issue date Oct 12, 1999
    • Ciba Specialty Chemicals Corporation
    • Robert Langley
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Production of pigments

    • Patent number 5,776,238
    • Issue date Jul 7, 1998
    • Ciba Specialty Chemicals Corporation
    • Paul Kerwin
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...