Berlin
Germany
5
2012-07-26
The entities that hold a legal rights for patent applications filed by inventor Dingwerth Björn:
Björn Dingwerth from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Treatment solution for producing chrome and cobalt-free black conversion coatings
#2 | 2012-06-28Polymers having terminal amino groups and use thereof as additives for zinc and zinc alloy electrodeposition baths
#3 | 2011-09-08CONVERSION LAYERS FOR SURFACES CONTAINING ZINC
#4 | 2010-07-22Anti-corrosion treatment for conversion layers
#5 | 2010-06-03Chromium(VI)-free black passivation of surfaces containing zinc
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