Ruth Wirschem — 4 Patents at Basf Se

Ruth Wirschem has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 2014 and the most recent in December 2018. Ruth Wirschem ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ruth Wirschem in Mannheim, DE.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10159246	Copolymers of N-vinylcarboxamide and diallyldialkylammonium salt as dispersant for agrochemical formulations	Gerhard Schnabel, Paul Klingelhoefer, Lucelena Patricio Cardoso	2018-12-25
9238732	Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants	Howard Roger Dungworth, David Petty, Bolette Urtel	2016-01-19
9056926	Process for preparing aqueous polyacrylic acid solutions	Matthias Kleiner, Wolfgang Loth, Markus Brym, Elke Gütlich-Hauk, Bolette Urtel +1 more	2015-06-16
8735516	Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants	Howard Roger Dungworth, David Petty, Bolette Urtel	2014-05-27