Granted Patent
Utility
US 4,312,969 · App. 06/140,916
Exotherm control in polymerization
Inventors:
Harold L. Becker, Rudolf S. Buriks, James Graham Dolan
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Apr 16, 1980
Inventors
Harold L. Becker
Rudolf S. Buriks
James Graham Dolan
Assignee (at issue)
Petrolite 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.