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Valentin Stoychev

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  • Wildau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recycled polyol
    • Patent number 11,655,352
    • Issue date May 23, 2023
    • H & S Anlagentechnik GmbH
    • Valentin Stoychev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing polyol dispersions from polyurethane waste and...
    • Patent number 11,124,623
    • Issue date Sep 21, 2021
    • H & S Anlagentechnik GmbH
    • Stanislav Fulev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    PROCESS OF PRODUCING A POLYOL COMPOSITION CONTAINING POLYOLS RELEAS...
    • Publication number 20230399486
    • Publication date Dec 14, 2023
    • H & S Anlagentechnik GmbH
    • Valentin Stoychev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RECYCLED POLYOL
    • Publication number 20230250254
    • Publication date Aug 10, 2023
    • H & S Anlagentechnik GmbH
    • Valentin Stoychev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING POLYOL DISPERSIONS FROM POLYURETHANE WASTE AND...
    • Publication number 20210017354
    • Publication date Jan 21, 2021
    • Stanislav Fulev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RECYCLED POLYOL
    • Publication number 20190359788
    • Publication date Nov 28, 2019
    • H & S Anlagentechnik GmbH
    • Valentin Stoychev
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...