Granted Patent
Utility
US 4,753,968 · App. 06/886,071
Process for preparing microcapsules
Inventors:
Shunsuke Shioi, Kazuyuki Shinmitsu, Masanao Tajiri, Makoto Miyake
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Jul 16, 1986
Inventors
Shunsuke Shioi
Kazuyuki Shinmitsu
Masanao Tajiri
Makoto Miyake
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.