Ivan Richards

Person

  • Tiburon, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Phenol derivative

    • Patent number 7,439,397
    • Issue date Oct 21, 2008
    • Pfizer Inc.
    • Ivan Richards
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quaternary ammonium compounds

    • Patent number 6,951,950
    • Issue date Oct 4, 2005
    • Pharmacia & Upjohn Co.
    • Ivan Michael Richards
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quaternary ammonium compounds

    • Patent number 6,890,920
    • Issue date May 10, 2005
    • Pharmacia & Upjohn Company
    • Ivan Richards
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents