US Patent 4,968,718
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
A nonsteroidal anti-inflammatory drug which is phenylacetic acid derivative and methods of using the same in topically controlling eye inflammations.
Schoenwald, Ronald D. and Barfknecht, Charles F. Topically effective, nonsteroidal drug for use in external and internal eye inflammations. US Patent 4,968,718 filed January 25, 1988 and issued November 06, 1990. https://ir.uiowa.edu/patents/78