IP Library › Granted Patent US 4,601,863
Granted Patent Utility
US 4,601,863 · App. 06/695,646

Process for producing powder of microcapsules

Inventors: Shunsuke Shioi, Gensuke Matoba, Makoto Miyake
Patented Case View Patent ↗
Granted: Jul 22, 1986 Filed: Jan 28, 1985
Inventors
Shunsuke Shioi
Gensuke Matoba
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,601,863
App. No.
06/695,646
Filed
1985-01-28
Granted
1986-07-22
Kind
A