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Wolfgang Dietz
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Wiesbaden, DE
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last 30 patents
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Patent Grant
Process and apparatus for cooling a molten film extruded from a slo...
Patent number
4,911,874
Issue date
Mar 27, 1990
Hoechst Aktiengesellschaft
Herbert Peiffer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the production of biaxially stretched films and apparat...
Patent number
4,803,027
Issue date
Feb 7, 1989
Hoechst Aktiengesellschaft
Herbert Peiffer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Sealable multilayer film for packaging purposes
Patent number
4,595,625
Issue date
Jun 17, 1986
Hoechst Aktiengesellschaft
Gunther Crass
B32 - LAYERED PRODUCTS
Information
Patent Grant
Sealable polyolefinic multilayer film
Patent number
4,502,263
Issue date
Mar 5, 1985
Hoechst Aktiengesellschaft
G/u/ nther Crass
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL