IP Library Granted Patent US 5,540,863
Granted Patent Utility
US 5,540,863 · App. 08/366,669

Mixtures of polyamino acids and citrate

Inventors: Louis L. Wood, Gary J. Calton
Patented Case View Patent ↗
Granted: Jul 30, 1996 Filed: Dec 30, 1994
Inventors
Louis L. Wood
Gary J. Calton
Assignee (at issue)
Bayer Aktiengesellschaft

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 5,540,863
App. No.
08/366,669
Filed
1994-12-30
Granted
1996-07-30
Kind
A