IP Library Granted Patent US 5,387,721
Granted Patent Utility
US 5,387,721 · App. 08/170,849

Methyl tertiary butyl ether process

Inventors: Charles J. Kruse, Kyle Preston, Brian L. Benac
Patented Case View Patent ↗
Granted: Feb 7, 1995 Filed: Dec 21, 1993
Inventors
Charles J. Kruse
Kyle Preston
Brian L. Benac
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 5,387,721
App. No.
08/170,849
Filed
1993-12-21
Granted
1995-02-07
Kind
A