Granted Patent
Utility
US 6,566,486 · App. 09/868,835
Method of producing branched polyamides
Inventors:
Detlev Joachimi, Hans-Jürgen Dietrich, Heinrich Morhenn, Cliff Scherer, Andreas Gittinger, Friedrich-Karl Bruder
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 20, 2001
Inventors
Detlev Joachimi
Hans-Jürgen Dietrich
Heinrich Morhenn
Cliff Scherer
Andreas Gittinger
Friedrich-Karl Bruder
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.