IP Library › Granted Patent US 4,886,611
Granted Patent Utility
US 4,886,611 · App. 07/222,869

Hydrocarbon compositions containing polyolefin graft polymers

Inventors: Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones, Rodney L. Sung
Patented Case View Patent ↗
Granted: Dec 12, 1989 Filed: Jul 22, 1988
Inventors
Maria M. Kapuscinski
Larry D. Grina
Ronald E. Jones
Rodney L. Sung
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.

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 4,886,611
App. No.
07/222,869
Filed
1988-07-22
Granted
1989-12-12
Kind
A