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Wolfgang Lange
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Obernburg, DE
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last 30 patents
Information
Patent Grant
Microporous powder form polylactides
Patent number
4,645,664
Issue date
Feb 24, 1987
Akzo, N.V.
Wolfgang Lange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process and an apparatus for enriching liquids with oxygen
Patent number
4,549,969
Issue date
Oct 29, 1985
Akzo nv
Klaus Gerlach
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of flame-resistant and hydrophilic poly...
Patent number
4,545,949
Issue date
Oct 8, 1985
Akzona Incorporated
Wolfgang Lange
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composite body for long-term delivery of effective substances
Patent number
4,525,340
Issue date
Jun 25, 1985
Akzo nv
Wolfgang Lange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Microporous polylactide powders and a process for their preparation
Patent number
4,471,077
Issue date
Sep 11, 1984
Akzo nv
Wolfgang Lange
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process and an apparatus for enriching liquids with oxygen
Patent number
4,440,648
Issue date
Apr 3, 1984
Akzo nv
Klaus Gerlach
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Porose, pulverformige polymerteilchen
Patent number
4,391,920
Issue date
Jul 5, 1983
Akzo nv
Wolfgang Lange
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for making hydrophilic polyester fiber
Patent number
4,371,485
Issue date
Feb 1, 1983
Akzona Incorporated
Nikolaus Mathes
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Production of molded polymer body with metal inclusions
Patent number
4,309,463
Issue date
Jan 5, 1982
Enka AG
Wolfgang Lange
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrophilic polyester fiber and process for making same
Patent number
4,307,152
Issue date
Dec 22, 1981
Akzona Incorporated
Nikolaus Mathes
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Molded body with inclusions
Patent number
4,244,824
Issue date
Jan 13, 1981
Enka AG
Wolfgang Lange
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Flame resistant and self-extinguishing polymer compositions
Patent number
4,169,827
Issue date
Oct 2, 1979
Akzona Incorporated
Klaus Gerlach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...