Granted Patent
Utility
US 5,900,451 · App. 08/856,789
Collaidally stabilized butadiene emulsions
Inventors:
Venkataram Krishnan, Yakov Friedzon
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: May 15, 1997
Inventors
Venkataram Krishnan
Yakov Friedzon
Assignee (at issue)
Reichhold Chemicals, Inc.
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.