Joachim Kochta

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyisocyanate addition compounds containing cyanamide groups and t...
- Patent number 5,554,711
- Issue date Sep 10, 1996
- Bayer Aktiengesellschaft
- Harro Tr aubel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Softening and waterproofing retanning agents
- Patent number 5,472,741
- Issue date Dec 5, 1995
- Bayer Aktiengesellschaft
- Gunter Sackmann
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Use of ester urethanes for retanning
- Patent number 5,417,723
- Issue date May 23, 1995
- Bayer Aktiengesellschaft
- Harro Traubel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for producing chrome leather
- Patent number 5,340,365
- Issue date Aug 23, 1994
- Bayer Aktiengesellschaft
- Bernhard Wehling
- C14 - SKINS HIDES PELTS LEATHER