Granted Patent
Utility
US 4,336,170 · App. 06/181,835
Method of treatment of an aqueous dispension of microcapsules
Inventors:
Tetsuro Horiike, Tomoyuki Okimoto, Tomoharu Shiozaki
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Aug 27, 1980
Inventors
Tetsuro Horiike
Tomoyuki Okimoto
Tomoharu Shiozaki
Assignee (at issue)
Kanzaki Paper Manufacturing Co., Ltd.
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.