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Rolf Hengel
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Burgkirchen, DE
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last 30 patents
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Patent Grant
Process for working up aqueous dispersions of fluorinated thermopla...
Patent number
5,463,021
Issue date
Oct 31, 1995
Hoechst Aktiengesellschaft
Gerhard Beyer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of tetrafluoroethylene polymer in aqueo...
Patent number
5,153,285
Issue date
Oct 6, 1992
Hoechst Aktiengesellschaft
Bernd Felix
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Molding made from a vinylidene fluoride copolymer and process for i...
Patent number
5,055,539
Issue date
Oct 8, 1991
Hoechst Aktiengesellschaft
Rolf Hengel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Concentrated, aqueous dispersions of vinylidene fluoride polymers a...
Patent number
4,618,641
Issue date
Oct 21, 1986
Hoechst Aktiengesellschaft
Rolf Hengel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the electrolysis of sodium chloride
Patent number
4,604,172
Issue date
Aug 5, 1986
Hoechst Aktiengesellschaft
Rolf Hengel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...