Granted Patent
Utility
US 4,547,547 · App. 06/557,029
Polymer blends
Inventors:
Augustin T. Chen, Kemal Onder
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Dec 1, 1983
Inventors
Augustin T. Chen
Kemal Onder
Assignee (at issue)
THE DOW 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.