Granted Patent
Utility
US 5,196,287 · App. 07/565,388
Process for producing encapsulated photosensitive composition by altering the concentration of the internal phase during encapsulation
Inventors:
William A. Hammann, IV, Kerry Kovacs, Margaret T. Thomas, Jing-Den Chen, Ranganatha Raghaven
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Aug 9, 1990
Inventors
William A. Hammann, IV
Kerry Kovacs
Margaret T. Thomas
Jing-Den Chen
Ranganatha Raghaven
Assignee (at issue)
The Mead Corporation
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.