Granted Patent
Utility
US 5,043,484 · App. 07/478,292
Synthesis of hydroxyl-terminated polybutadienes using glycol ether solvents
Inventors:
John F. Knifton, Edward T. Marquis
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Feb 9, 1990
Inventors
John F. Knifton
Edward T. Marquis
Assignee (at issue)
Texaco Chemical 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.