Granted Patent
Utility
US 4,677,173 · App. 06/822,591
Process for the production of suspension polymerizates
Inventors:
Hans-Joachim Holle, Gerhard Morlock
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Jan 27, 1986
Inventors
Hans-Joachim Holle
Gerhard Morlock
Assignee (at issue)
Degussa AG
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.