Preparation from 2-amino-anthrahydroquinones

Patents Grantslast 30 patents

  • Information Patent Grant

    1970083

    • Patent number 1,970,083
    • Issue date Aug 14, 1934
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1537507

    • Patent number 1,537,507
    • Issue date May 12, 1925
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...