IP Library › Granted Patent US 4,992,540
Granted Patent Utility
US 4,992,540 · App. 07/297,982

Glucan composition and process for preparation thereof

Inventors: Spiros Jamas, ChoKyun Rha, Anthony J. Sinskey
Patented Case View Patent ↗
Granted: Feb 12, 1991 Filed: Jan 17, 1989
Inventors
Spiros Jamas
ChoKyun Rha
Anthony J. Sinskey
Assignee (at issue)
MASSACHUSETTS INSTITUTE OF TECHNOLOGY

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 4,992,540
App. No.
07/297,982
Filed
1989-01-17
Granted
1991-02-12
Kind
A