IP Library › Granted Patent US 4,326,069
Granted Patent Utility
US 4,326,069 · App. 06/144,136

N-Substituted aspartic acid monoesters

Inventors: Friedrich Stockinger, Sameer H. Eldin, Friedrich Lohse
Patented Case View Patent ↗
Granted: Apr 20, 1982 Filed: Apr 28, 1980
Inventors
Friedrich Stockinger
Sameer H. Eldin
Friedrich Lohse
Assignee (at issue)
Ciba-Geigy

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 4,326,069
App. No.
06/144,136
Filed
1980-04-28
Granted
1982-04-20
Kind
A