Granted Patent
Utility
US 4,155,741 · App. 05/465,784
Stable suspension system for microencapsulated flowable formulations, and method of preparing stable suspension of microcapsules
Inventors:
Herbert B. Scher, Robert J. Cochran
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: May 1, 1974
Inventors
Herbert B. Scher
Robert J. Cochran
Assignee (at issue)
Stauffer Chemical Company
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.