IP Library › Granted Patent US 5,348,869
Granted Patent Utility
US 5,348,869 · App. 07/908,762

Process for producing tocopherols with spheroplasts of algae

Inventors: Achim STOCKER, Wolf D. Woggon
Patented Case View Patent ↗
Granted: Sep 20, 1994 Filed: Jul 1, 1992
Inventors
Achim STOCKER
Wolf D. Woggon
Assignee (at issue)
HOFFMANN-LA ROCHE 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 5,348,869
App. No.
07/908,762
Filed
1992-07-01
Granted
1994-09-20
Kind
A