US Patent 5,654,335
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
A method of reducing intraocular eye pressure by topically applying to an affected eye a small but therapeutically effective intraocular eye pressure reducing amount of the compound ethyl ethacrynate.
Schoenwald, Ronald D. and Barfknecht, Charles F. Topical use of ethyl ethacrynate for glaucoma treatment. US Patent 5,654,335 filed February 23, 1996 and issued August 05, 1997. https://ir.uiowa.edu/patents/166