Granted Patent
Utility
US 4,327,007 · App. 06/219,088
Polyethylene terephthalate composition containing aliphatic plasticizer and nucleating agent
Inventors:
Nicholas Vanderkooi, Jr., Harold W. Tuller
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Dec 22, 1980
Inventors
Nicholas Vanderkooi, Jr.
Harold W. Tuller
Assignee (at issue)
Allied Chemical 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.