Granted Patent
Utility
US 5,486,583 · App. 08/350,695
Defoaming compositions for ABS latices
Inventors:
Herbert Eichenauer, Karl-Erwin Piejko, Hans-Jurgen Bunte, Hans-Jürgen Thiem
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Dec 7, 1994
Inventors
Herbert Eichenauer
Karl-Erwin Piejko
Hans-Jurgen Bunte
Hans-Jürgen Thiem
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.