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Dietrich Tegtmeyer
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for purifying organic synthesis products
Patent number
5,565,102
Issue date
Oct 15, 1996
Bayer Aktiengesellschaft
Horst Brandt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the treatment of effluent
Patent number
5,284,589
Issue date
Feb 8, 1994
Bayer Aktiengesellschaft
Dietrich Tegtmeyer
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for concentrating latex dispersions
Patent number
5,242,596
Issue date
Sep 7, 1993
Bayer Aktiengesellschaft
Henning Bachem
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of stable dyestuff solutions: pressure...
Patent number
5,145,485
Issue date
Sep 8, 1992
Bayer Aktiengesellschaft
Martin Michna
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation of stable anionic dyestuff solutions: pressure permeati...
Patent number
5,096,458
Issue date
Mar 17, 1992
Bayer Aktiengesellschaft
Martin Michna
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Process for Retanning Leather Using Hollow Microspheres
Publication number
20090205142
Publication date
Aug 20, 2009
Otto Vorländer
C14 - SKINS HIDES PELTS LEATHER
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Patent Application
Condensates for the retanning of Fe-tanned leather
Publication number
20040148707
Publication date
Aug 5, 2004
Martin Kleban
C14 - SKINS HIDES PELTS LEATHER