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US 3,939,196 AGranted
Diarylcyclobutanes
AssigneeMead Johnson & Company
InventorsJohn E. Lawson, Ronnie D. Dennis, Robert F. Majewski
Life of this patent
Estimating the term…
Abstract
1,3-bis(p-Hydroxyphenyl)cyclobutane and its monomethyl ether are estrogenic agents having antifertility action.
Claims3
A compound selected from the group consisting of 1,3-bis(p-hydroxyphenyl)cyclobutane and the monomethyl ether thereof.
The compound of claim 1, 1,3-bis(p-hydroxyphenyl)-cyclobutane.
Dependencies are inferred from the claim text.