AK

Achim Kohler

CL Clariant Finance (Bvi) Limited: 3 patents #105 of 535Top 20%
AG Archroma Ip Gmbh: 2 patents #9 of 42Top 25%
Overall (All Time): #832,479 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10829895 Use of an acrylate copolymer as retention aid in a method of making a substrate comprising cellulosic fibres John Stuart Cowman, Damien Corpet, Paul Dekock 2020-11-10
9809929 Polyester for the paper industry Roman Morschhaeuser, John Stuart Cowman, Antonella Leone-Kammler 2017-11-07
9057155 Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper John Stuart Cowman, Damien Corpet, Antonella Leone-Kammler 2015-06-16
8784606 Method for reducing negative effects of adhesive contaminants in systems of substances comprising waste paper John Stuart Cowman, Damien Corpet, Antonella Leone-Kammler 2014-07-22
7004010 Method and device for determining penetration of gaseous substance through a membrane Hanne Larsen 2006-02-28
6872282 Surface finishing of paper or board Gerd Martin, Christian Weigl, Josef Weigl 2005-03-29