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Peter Hubert
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Bremen, DE
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last 30 patents
Information
Patent Grant
Process for the extraction of caffeine from super-critical solutions
Patent number
4,411,923
Issue date
Oct 25, 1983
HAG Aktiengesellschaft
Peter Hubert
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of extracting coffee oil containing aroma constituents from...
Patent number
4,328,255
Issue date
May 4, 1982
Studiengesellschaft Kohle mbH
Wilhelm Roselius
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for decaffeinating green coffee
Patent number
4,308,291
Issue date
Dec 29, 1981
Hag Aktiengesellschaft
Peter Werkhoff
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method for the selective extraction of caffeine from vegetable mate...
Patent number
4,255,458
Issue date
Mar 10, 1981
Hag Aktiengesellschaft
Ludwig Roselius
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the production of spice extracts
Patent number
4,198,432
Issue date
Apr 15, 1980
Studiengesellschaft Kohle mbH
Otto Vitzthum
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process of extracting stimulants from coffee
Patent number
4,168,324
Issue date
Sep 18, 1979
HAG Aktiengesellschaft
Ludwig Roselius
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method for the manufacture of caffeine free black tea
Patent number
4,167,589
Issue date
Sep 11, 1979
Otto Vitzthum
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the extraction of nicotine from tobacco
Patent number
4,153,063
Issue date
May 8, 1979
Studiengesellschaft Kohle mbH
Wilhelm Roselius
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Process for the production of spice extracts
Patent number
4,123,559
Issue date
Oct 31, 1978
Studiengesellschaft Kohle mbH
Otto Vitzthum
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Production of hop extracts
Patent number
4,104,409
Issue date
Aug 1, 1978
Studiengesellschaft Kohle mbH
Otto Vitzthum
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...