Granted Patent
Utility
US 4,863,985 · App. 07/260,016
Aqueous silicone emulsions crosslinkable into elastomeric state
Inventors:
Jean-Marie Pouchol, Jean Ulrich
Patented Case
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Granted: Sep 5, 1989
Filed: Oct 20, 1988
Inventors
Jean-Marie Pouchol
Jean Ulrich
Assignee (at issue)
RHONE-POULENC CHIMIE
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.