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Bernd Felix
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Burgkirchen, DE
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last 30 patents
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Patent Grant
Method for recovering fluorinated alkanoic acids from waste waters
Patent number
6,613,941
Issue date
Sep 2, 2003
3M Innovative Properties Company
Bernd Felix
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the recovery of fluorinated alkandic acids from wastewater
Patent number
6,518,442
Issue date
Feb 11, 2003
Dyneon GmbH & Co., KG
Bernd Felix
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Degassing apparatus and use thereof
Patent number
5,634,963
Issue date
Jun 3, 1997
Hoechst Aktiengesellschaft
Herbert Strasser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the preparation of modified polytetrafluoroethylene and...
Patent number
5,589,558
Issue date
Dec 31, 1996
Hoechst Aktiengesellschaft
Bernd Felix
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous dispersion of fluoropolymers, its preparation and use for c...
Patent number
5,576,381
Issue date
Nov 19, 1996
Hoechst Aktiengesellschaft
Hermann Bl adel
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of a modified polytetrafluoroethylene a...
Patent number
5,576,402
Issue date
Nov 19, 1996
Hoechst Aktiengesellschaft
Bernd Felix
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of a modified polytetrafluoroethylene and use thereof
Patent number
5,530,078
Issue date
Jun 25, 1996
Hoechst Aktiengesellschaft
Bernd Felix
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
Process for the thermal cleavage of 1,2-dichloroethane
Patent number
4,851,597
Issue date
Jul 25, 1989
Hochst Aktiengesellschaft
Bernd Felix
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of perfluoroethyl iodide
Patent number
4,118,290
Issue date
Oct 3, 1978
Hoechst Aktiengesellschaft
Hans-Joachim Semmler
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR