Granted Patent
Utility
US 4,609,768 · App. 06/663,602
Process for synthesis of ethylene glycol from synthesis gas plus 1,3-dioxolane using 1,3-dioxolane as a solvent
Inventors:
John F. Knifton, Jiang-Jen Lin, Neal J. Grice
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Oct 22, 1984
Inventors
John F. Knifton
Jiang-Jen Lin
Neal J. Grice
Assignee (at issue)
Texaco Inc.
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.