IP Library Granted Patent US 5,583,213
Granted Patent Utility
US 5,583,213 · App. 08/439,522

Process to activate sulfated polysaccharides

Inventors: Masao Yafuso, Robert J. Linhardt
Patented Case View Patent ↗
Granted: Dec 10, 1996 Filed: May 12, 1995
Inventors
Masao Yafuso
Robert J. Linhardt
Assignee (at issue)
Minnesota Mining and Manufacturing Company

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 5,583,213
App. No.
08/439,522
Filed
1995-05-12
Granted
1996-12-10
Kind
A