IP Library Granted Patent US 4,778,613
Granted Patent Utility
US 4,778,613 · App. 06/813,296

Spirodiphosphate-containing working substances

Inventors: Lee Cherney, Yuval Halpern, Roger K. Nibert
Patented Case View Patent ↗
Granted: Oct 18, 1988 Filed: Dec 24, 1985
Inventors
Lee Cherney
Yuval Halpern
Roger K. Nibert
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 4,778,613
App. No.
06/813,296
Filed
1985-12-24
Granted
1988-10-18
Kind
A