BASF patent gets a second chance at the Federal Circuit

basf-corp-v-snf-holding-company, Appeal No. 2019-1243, Fed. Cir. April 8, 2020. BASF owns US patent 5,633,329 (the “‘329 patent”), directed to an process of preparing super absorbing polymers, which have a tendancy to stick to the walls of the reactor in which they are manufactured.  The ‘329 patent claims a method of making the polymers, using a […]