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Werner A. Lidy

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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing polyurea or polyurethane/urea foams
    • Patent number 5,155,142
    • Issue date Oct 13, 1992
    • BP Chemicals Limited
    • Werner A. Lidy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dispersion polymer polyols
    • Patent number 5,118,721
    • Issue date Jun 2, 1992
    • Polyol International, B.V.
    • Jose Godoy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyurethane foams having zones of differing...
    • Patent number 4,965,029
    • Issue date Oct 23, 1990
    • Polyol International BV
    • Werner A. Lidy
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for the production of amines
    • Patent number 4,912,260
    • Issue date Mar 27, 1990
    • BP Chemicals Limited
    • Ian D. Dobson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Preparation of polymer polyols
    • Patent number 4,883,832
    • Issue date Nov 28, 1989
    • BP Chemicals Limited
    • Rudolpha C. Cloetens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modified polyols and their use in the manufacture of polymer polyols
    • Patent number 4,871,783
    • Issue date Oct 3, 1989
    • BP Chemicals Limited
    • Rudolphe C. Cloetens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Modified polymer polyols
    • Patent number 4,843,106
    • Issue date Jun 27, 1989
    • BP Chemicals Limited
    • Joelle Y. Fis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of polymer polyols
    • Patent number 4,831,076
    • Issue date May 16, 1989
    • BP Chemicals Limited
    • Werner A. Lidy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyurethane foams in the presence of a polye...
    • Patent number 4,785,027
    • Issue date Nov 15, 1988
    • BP Chemicals Limited
    • Robert D. Brasington
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyurethane foams in the presence of a polye...
    • Patent number 4,764,541
    • Issue date Aug 16, 1988
    • BP Chemicals Limited
    • Robert D. Brasington
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of polymer polyols
    • Patent number 4,723,026
    • Issue date Feb 2, 1988
    • BP Chemicals Limited
    • Rudolphe C. Cloetens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Demulsifying process
    • Patent number 4,596,653
    • Issue date Jun 24, 1986
    • The British Petroleum Company p.l.c.
    • David E. Graham
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Phenolic resin composition
    • Patent number 4,571,413
    • Issue date Feb 18, 1986
    • The British Petroleum Company p.l.c.
    • John G. Dolden
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...