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Alexander Berg
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Holzminden, DE
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last 30 patents
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Patent Grant
Method for making collagen sponge for medical and cosmetic uses
Patent number
4,320,201
Issue date
Mar 16, 1982
Firma Carl Freudenberg
Alexander Berg
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for making water-soluble hydrolyzates of keratinaceous mater...
Patent number
4,232,123
Issue date
Nov 4, 1980
Firma Carl Freudenberg
Klaus Braeumer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Enzymatic treatment of proteinaceous animal waste products
Patent number
4,220,723
Issue date
Sep 2, 1980
Rohm GmbH
Zdenek Eckmayer
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method for treating raw materials containing collagen
Patent number
4,220,724
Issue date
Sep 2, 1980
Rohm GmbH
Alexander Berg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of collagen fibers
Patent number
4,185,011
Issue date
Jan 22, 1980
Firma Carl Freudenberg
Zdenek Eckmayer
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for making water-soluble elastin hydrolyzates
Patent number
4,179,333
Issue date
Dec 18, 1979
Firma Carl Freudenberg
Klaus Braeumer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE