Urea and thiourea derivatives

Patents Grantslast 30 patents

  • Information Patent Grant

    N,N-Substituted 2,4,5-triketoimidazolidines and a process for their...

    • Patent number 4,099,007
    • Issue date Jul 4, 1978
    • Hoechst Aktiengesellschaft
    • Kurt Kraft
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    N,N'substituted 2,4,5-triketoimidazolidines, corresponding resinous...

    • Patent number 4,096,130
    • Issue date Jun 20, 1978
    • Hoechst Aktiengesellschaft
    • Kurt Kraft
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Water-soluble dyestuffs readily convertible into insoluble form and...

    • Patent number 3,972,904
    • Issue date Aug 3, 1976
    • Hoechst Aktiengesellschaft
    • Hans-Ulrich von der Eltz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3928376

    • Patent number 3,928,376
    • Issue date Dec 23, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3708258

    • Patent number 3,708,258
    • Issue date Jan 2, 1973
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3489773

    • Patent number 3,489,773
    • Issue date Jan 13, 1970
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3433810

    • Patent number 3,433,810
    • Issue date Mar 18, 1969
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    343310

    • Patent number 343,310
    • Issue date Jun 8, 1886
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents