Granted Patent
Utility
US 4,533,742 · App. 06/576,509
Preparation of 2-hydroxytetrahydrofuran by hydroformylation of allyl alcohol using ketone solvents
Inventors:
Jiang-Jen Lin, John F. Knifton
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Feb 2, 1984
Inventors
Jiang-Jen Lin
John F. Knifton
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.