TREA

Ralf Schweinfurth

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  • Darmstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interference pigments
    • Patent number 11,746,240
    • Issue date Sep 5, 2023
    • Merck Patent GmbH
    • Stephanie Andes
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERFERENCE PIGMENTS
    • Publication number 20220356356
    • Publication date Nov 10, 2022
    • Merck Patent GmbH
    • Stephanie ANDES
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    COLORING OF WAFERS AND SIMILAR BAKED GOODS
    • Publication number 20190239544
    • Publication date Aug 8, 2019
    • Merck Patent GmbH
    • Ralf SCHWEINFURTH
    • A21 - BAKING EDIBLE DOUGHS
  • Information Patent Application

    COLOURING OF SURFACES
    • Publication number 20180223103
    • Publication date Aug 9, 2018
    • Merck Patent GmbH
    • Ralf SCHWEINFURTH
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    PREPARATION AND COLOURING OF PULVERULENT FOODS
    • Publication number 20180220685
    • Publication date Aug 9, 2018
    • Merck Patent GmbH
    • Alexander PETERS
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    USE OF MULTILAYERED PIGMENTS IN THE FOOD AND PHARMACEUTICALS SECTOR
    • Publication number 20080274198
    • Publication date Nov 6, 2008
    • Ralf Schweinfurth
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Animal Feedstuff Dyeing and Animal Drugs
    • Publication number 20070298149
    • Publication date Dec 27, 2007
    • Ralf Schweinfurth
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Use of multi-layer pigments in the food and pharmaceutical industry
    • Publication number 20050147724
    • Publication date Jul 7, 2005
    • Ralf Schweinfurth
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES