Granted Patent
Utility
US 4,672,218 · App. 06/678,114
Method for determining the onset of crystallization
Inventors:
Ray Chrisman, Richard D. McLachlan, Richard S. Harner
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Dec 4, 1984
Inventors
Ray Chrisman
Richard D. McLachlan
Richard S. Harner
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.