Granted Patent
Utility
US 5,118,752 · App. 07/776,104
Vinyl polymer latex systems
Inventors:
Wen-Hsuan Chang, Marvin L. Kaufman, Edward E. McEntire, James Su, Anbazhagan Natesh
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Oct 15, 1991
Inventors
Wen-Hsuan Chang
Marvin L. Kaufman
Edward E. McEntire
James Su
Anbazhagan Natesh
Assignee (at issue)
PPG Industries, Inc.
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.