IP Library › Granted Patent US 4,696,911
Granted Patent Utility
US 4,696,911 · App. 06/919,643

Nickel boride-polymer catalyst

Inventors: Hiepke Boerma, Rudolph O. de Jongh, Cornelis Martinus van Dijk
Patented Case View Patent ↗
Granted: Sep 29, 1987 Filed: Oct 16, 1986
Inventors
Hiepke Boerma
Rudolph O. de Jongh
Cornelis Martinus van Dijk
Assignee (at issue)
Unilever Patent Holdings B.V.

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 4,696,911
App. No.
06/919,643
Filed
1986-10-16
Granted
1987-09-29
Kind
A