Granted Patent
Utility
US 5,084,495 · App. 07/419,230
Method of transferring latex particles from an aqueous to an organic phase and making an impact resistant acrylic sheet
Inventors:
Louis A. Cutter, John J. Godfrey
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Oct 10, 1989
Inventors
Louis A. Cutter
John J. Godfrey
Assignee (at issue)
Aristech Chemical Company
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.