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Walther Schulz
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Vechta, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Trehalose lipid tetraesters
Patent number
4,720,456
Issue date
Jan 19, 1988
Wintershall AG
Fritz Wagner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for removal of oil from water and adsorbents using glycol...
Patent number
4,663,039
Issue date
May 5, 1987
Wintershall Aktiengesellschaft
Walter Lindorfer
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Prevention of penetration of oily hydrocarbons into sand
Patent number
4,437,993
Issue date
Mar 20, 1984
Wintershall AG
Walter Lindorfer
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Process for extracting crude oil from tar sands
Patent number
4,427,528
Issue date
Jan 24, 1984
Walter Lindorfer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for separating hydrocarbons from particulate solids
Patent number
4,392,892
Issue date
Jul 12, 1983
Wintershall Aktiengesellschaft
Fritz Wagner
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for removal of oil from sorbents using glycolipids
Patent number
4,374,735
Issue date
Feb 22, 1983
Wintershall Aktiengesellschaft
Walter Lindorfer
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Process and installation for the flooding of petroleum deposits and...
Patent number
4,286,660
Issue date
Sep 1, 1981
Gesellschaft fur Biotechnologische Forschung GmbH
Fritz Wagner
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for removing oils or petroleum from the surface of the sea
Patent number
4,284,509
Issue date
Aug 18, 1981
Gesellschaft fur Biotechnologische Forschung
Walter Lindorfer
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for the tertiary recovery of petroleum by flooding with hot...
Patent number
4,223,730
Issue date
Sep 23, 1980
Wintershall Aktiengesellschaft
Walther Schulz
B60 - VEHICLES IN GENERAL