Granted Patent
Utility
US 4,528,154 · App. 06/504,698
Preparation of molded lignocellulosic compositions using an emulsifiable polyisocyanate binder and an emulsifiable carboxy functional siloxane internal release agent
Inventors:
Tinh Nguyen, James M. Gaul
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Jun 15, 1983
Inventors
Tinh Nguyen
James M. Gaul
Assignee (at issue)
Atlantic Richfield 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.