SOMMER STEFAN has a total of 11 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and environmental technology are NIPPON POLYURETHANE KOGYO KK, JIANGSU ZHONGKE JINLONG CHEMICAL CO LTD and BERNARD JEAN-MARIE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Germany | 1 |
# | Name | Total Patents |
---|---|---|
#1 | Sommer Stefan | 11 |
#2 | Luehmann Erhard | 6 |
#3 | Weikard Jan | 3 |
#4 | Lippemeier Jürgen | 2 |
#5 | Blum Harald | 2 |
#6 | Schleier Christian | 2 |
#7 | Rische Thorsten | 2 |
#8 | Unal Serkan | 1 |
#9 | Lühmann Erhard | 1 |
#10 | Kopp Richard | 1 |
Publication | Filing date | Title |
---|---|---|
DE102019209164A1 | Shower device | |
US2012160437A1 | Process for the production of sized and/or wet-strength papers, paperboards and cardboards |