IP Library › Granted Patent US 4,288,535
Granted Patent Utility
US 4,288,535 · App. 06/151,410

Process for preparing silver halide photographic emulsions

Inventors: Hideo Kanisawa, Tamio Kitahata, Hideo Horie
Patented Case View Patent ↗
Granted: Sep 8, 1981 Filed: May 19, 1980
Inventors
Hideo Kanisawa
Tamio Kitahata
Hideo Horie
Assignee (at issue)
Konishiroku Photo Industry 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 4,288,535
App. No.
06/151,410
Filed
1980-05-19
Granted
1981-09-08
Kind
A