Inventor · disambiguated record
J. O'Neal Johnston
Also filed as: JOHNSTON J O'NEAL
15 granted patents·129 citations·filing 1980–1999
92Inventor score
Top patents by PatentIndex Score
15 records- 0185US4322416A10-Alkynyl steroidsMERRELL DOW PHARMA·Filed 1981·Granted Mar 30, 1982·26 cites·25 claims
- 0284US4289762A10-(1,2-Propadienyl) steroids as irreversible aromatase inhibitorsMERRELL DOW PHARMA·Filed 1980·Granted Sep 15, 1981·25 cites·23 claims
- 0380US5486511A4-amino-17β-(cyclopropyloxy)androst-4-en-3-one, 4-amino-17β-(cyclopropylamino)androst-4-en-3-one and related compounds as C17-20 lyase and 5α-reductaseMERRELL DOW PHARMA·Filed 1994·Granted Jan 23, 1996·31 cites·38 claims
- 0459US5252565AHaloethyl-substituted steroid enzyme inhibitorsMERRELL DOW PHARMA·Filed 1991·Granted Oct 12, 1993·11 cites·12 claims
- 0558US4882322A3β,17β-hydroxy-substituted steroids and related steroidal compoundsMERRELL DOW PHARMA·Filed 1988·Granted Nov 21, 1989·9 cites·12 claims
- 0655US5491136A2,19-methyleneoxy and 2,19-methylenethio bridged steroids as aromatase, 19-hydroxylaser inhibitors and methods of their use in the treatment of estrogen mediated disordersMERRELL DOW PHARMA·Filed 1994·Granted Feb 13, 1996·8 cites·25 claims
- 0750US5099037A2,19-methyleneoxy and 2,19-methylenethio bridged steroids as aromatase and 19-hydroxylase inhibitorsMERRELL DOW PHARMA·Filed 1991·Granted Mar 24, 1992·7 cites·6 claims
- 0848US5126488A2β,19-methyleneamino bridged steroids as aromatase inhibitorsMERRELL DOW PHARMA·Filed 1990·Granted Jun 30, 1992·6 cites·6 claims
- 0945US5166201A2β,19-ethylene bridged steroids as aromatase inhibitorsMERRELL DOW PHARMA·Filed 1990·Granted Nov 24, 1992·5 cites·12 claims
- 1035US6313161B12,19-methyleneoxy and 2,19-methylenethio bridged steroids as aromatase, 19-hydroxylase inhibitors and methods of their use in the treatment of estrogen mediated disordersMERRELL PHARMA INC·Filed 1999·Granted Nov 6, 2001·1 cites·14 claims
- 1132US4293548A18-Substituted pregn-4-ene-3,20-dionesMERRELL DOW PHARMA·Filed 1980·Granted Oct 6, 1981·0 cites·16 claims
- 1230US4954488AMethod of treating hyperaldosteronism using 17β-cyclopropylaminoandrostene derivativesMERRELL DOW PHARMA·Filed 1989·Granted Sep 4, 1990·0 cites·6 claims
- 1327US4954491AMethod of treatment using 18-cyanoprogesterone derivativesMERRELL DOW PHARMA·Filed 1989·Granted Sep 4, 1990·0 cites·6 claims
- 1427US4920114A19-fluoro- or cyano-21-hydroxyprogesterone derivatives useful as 19-hydroxylase inhibitorsMERRELL DOW PHARMA·Filed 1988·Granted Apr 24, 1990·0 cites·4 claims
- 1527US4910191A19-substituted progesterone derivatives useful as 19-hydroxylase inhibitorsMERRELL DOW PHARMA·Filed 1988·Granted Mar 20, 1990·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →