IP Library Granted Patent US 5,492,977
Granted Patent Utility
US 5,492,977 · App. 08/360,498

Preparation of amino terminated polyacrylics

Inventors: Bradley Beach, Anna Marie Pearson, Jing Sun
Patented Case View Patent ↗
Granted: Feb 20, 1996 Filed: Dec 21, 1994
Inventors
Bradley Beach
Anna Marie Pearson
Jing Sun
Assignee (at issue)
Lexmark International, 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 5,492,977
App. No.
08/360,498
Filed
1994-12-21
Granted
1996-02-20
Kind
A