Granted Patent
Utility
US 5,120,475 · App. 07/510,920
Method for preparing microcapsules having improved pre-walls, and microcapsules and photosensitive materials produced thereby
Inventors:
Jing-Den Chen, Kerry Kovacs, M. Teresa Thomas, Rong-Chang Liang
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Apr 19, 1990
Inventors
Jing-Den Chen
Kerry Kovacs
M. Teresa Thomas
Rong-Chang Liang
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.