Membership
Tour
Register
Log in
Otto G. Vitzthum
Follow
Person
Bremen, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Stabilization of liquid coffee by treatment with alkali
Patent number
6,054,162
Issue date
Apr 25, 2000
Kraft Foods, Inc.
Allan G. W. Bradbury
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of removing off-notes from cocoa products
Patent number
6,025,002
Issue date
Feb 15, 2000
Kraft Foods, Inc.
Wilhardi J. Holscher
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for the preparation of soluble coffee
Patent number
5,225,223
Issue date
Jul 6, 1993
Jacobs-Suchard-A.G.
Otto G. Vitzthum
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Recovery of caffeine adsorbed to activated carbon
Patent number
4,540,784
Issue date
Sep 10, 1985
Hag GF Aktiengesellschaft
Otto G. Vitzthum
C07 - ORGANIC CHEMISTRY
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 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
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
Pressure relief valve for packing containers
Patent number
4,134,535
Issue date
Jan 16, 1979
HAG Aktiengesellschaft
Manfred Barthels
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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...