Granted Patent
Utility
US 4,487,759 · App. 06/240,990
Tertiary amine stabilized micro-encapsulated compositions containing behavior modifying compounds
Inventors:
Brenda F. Nesbitt, David Robert Hall, Ralph Lester, Gordon J. Marrs
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Mar 5, 1981
Inventors
Brenda F. Nesbitt
David Robert Hall
Ralph Lester
Gordon J. Marrs
Assignees (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.