Granted Patent
Utility
US 6,051,725 · App. 09/220,605
Epoxidation of ricinic compounds using a phase-transfer catalyst
Inventors:
James V. Crivello, Srinivasan Chakrapani
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Dec 28, 1998
Inventors
James V. Crivello
Srinivasan Chakrapani
Assignee (at issue)
CasChem, 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.