Granted Patent
Utility
US 5,593,809 · App. 08/568,964
Peel apart diffusion transfer compound film unit with crosslinkable layer and borate
Inventors:
Gia Y. Kim, Lloyd D. Taylor, Kenneth C. Waterman
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Dec 7, 1995
Inventors
Gia Y. Kim
Lloyd D. Taylor
Kenneth C. Waterman
Assignee (at issue)
Polaroid 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.