IP Library Granted Patent US 5,124,502
Granted Patent Utility
US 5,124,502 · App. 07/636,756

Method of preparation of phenylalkylsilanes

Inventors: Gunner E. Nelson, John G. Loop
Patented Case View Patent ↗
Granted: Jun 23, 1992 Filed: Jan 2, 1991
Inventors
Gunner E. Nelson
John G. Loop
Assignee (at issue)
Ethyl Corporation

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 5,124,502
App. No.
07/636,756
Filed
1991-01-02
Granted
1992-06-23
Kind
A