IP Library Granted Patent US 4,758,683
Granted Patent Utility
US 4,758,683 · App. 07/102,270

Spirodiphosphoamidate compounds

Inventors: Lee Cherney, Yuval Halpern
Patented Case View Patent ↗
Granted: Jul 19, 1988 Filed: Sep 25, 1987
Inventors
Lee Cherney
Yuval Halpern
Assignee (at issue)
Borg-Warner Chemicals, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,758,683
App. No.
07/102,270
Filed
1987-09-25
Granted
1988-07-19
Kind
A