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Philippe Lefebvre

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  • Wimereux, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dry erase ink with improved drying time
    • Patent number 11,970,623
    • Issue date Apr 30, 2024
    • Societe BIC
    • Carine Bethouart
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Alcohol-based dry-erasable ink
    • Patent number 11,286,397
    • Issue date Mar 29, 2022
    • Societe BIC
    • Carine Bethouart
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil lead
    • Patent number 11,072,722
    • Issue date Jul 27, 2021
    • Societe BIC
    • Julien Gouerec
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing or coloring pencil
    • Patent number 10,814,665
    • Issue date Oct 27, 2020
    • CONTE
    • Julien Gouerec
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Wax-based coloring crayon with a watercolor effect
    • Patent number 10,774,232
    • Issue date Sep 15, 2020
    • Societe BIC
    • Julien Gouerec
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil for writing or colouring
    • Patent number 10,316,208
    • Issue date Jun 11, 2019
    • CONTE
    • Julien Gouerec
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Paper pencil lead
    • Patent number 10,308,063
    • Issue date Jun 4, 2019
    • CONTE
    • Frédéric Claptien
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Colour pencil lead
    • Patent number 9,988,546
    • Issue date Jun 5, 2018
    • CONTE
    • Frédéric D. Claptien
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid-ink writing instrument having a reservoir fitted with a syst...
    • Patent number 5,865,553
    • Issue date Feb 2, 1999
    • Conte S.A.
    • Benoit Flye Sainte Marie
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    PENCIL LEAD
    • Publication number 20200115581
    • Publication date Apr 16, 2020
    • SOCIETE BIC
    • Julien GOUEREC
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    DRY ERASE INK WITH IMPROVED DRYING TIME
    • Publication number 20200048483
    • Publication date Feb 13, 2020
    • SOCIETE BIC
    • Carine BETHOUART
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    ALCOHOL-BASED DRY-ERASABLE INK
    • Publication number 20200048484
    • Publication date Feb 13, 2020
    • SOCIETE BIC
    • Carine BETHOUART
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WAX-BASED COLORING CRAYON WITH A WATERCOLOR EFFECT
    • Publication number 20190048220
    • Publication date Feb 14, 2019
    • SOCIETE BIC
    • Julien GOUEREC
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PAPER PENCIL LEAD
    • Publication number 20180001694
    • Publication date Jan 4, 2018
    • CONTE
    • Frédéric CLAPTIEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COLOUR PENCIL LEAD
    • Publication number 20170349775
    • Publication date Dec 7, 2017
    • CONTE
    • Frédéric D. CLAPTIEN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PENCIL FOR WRITING OR COLOURING
    • Publication number 20170348997
    • Publication date Dec 7, 2017
    • CONTE
    • Julien GOUEREC
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES