TREA

Barbel Helbrecht

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  • Oakville, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink compositions containing cyclodextrins
    • Patent number 5,302,195
    • Issue date Apr 12, 1994
    • Xerox Corporation
    • Barbel Helbrecht
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink jet ink compositions
    • Patent number 5,254,158
    • Issue date Oct 19, 1993
    • Xerox Corporation
    • Marcel P. Breton
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink for ink jet printing
    • Patent number 5,156,675
    • Issue date Oct 20, 1992
    • Xerox Corporation
    • Marcel P. Breton
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink for ink jet printing
    • Patent number 5,129,948
    • Issue date Jul 14, 1992
    • Xerox Corporation
    • Marcel P. Breton
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...