Inventor · disambiguated record
Donald E. Ayer
Also filed as: AYER DONALD E · AYER JR DONALD E
25 granted patents·690 citations·filing 1975–2000
96Inventor score
Top patents by PatentIndex Score
25 records- 0198US5502187APharmaceutically active bicyclic-heterocyclic aminesUPJOHN CO·Filed 1994·Granted Mar 26, 1996·191 cites·25 claims
- 0296US4018918ATopical clindamycin preparationsUPJOHN CO·Filed 1976·Granted Apr 19, 1977·81 cites·10 claims
- 0392US5120843APharmaceutically active aminesUPJOHN CO·Filed 1989·Granted Jun 9, 1992·44 cites·10 claims
- 0487US4336200A17α-Acyloxy-5β-corticoidsUPJOHN CO·Filed 1981·Granted Jun 22, 1982·34 cites·1 claims
- 0585US3980778AAnti-inflammatory steroidUPJOHN CO·Filed 1975·Granted Sep 14, 1976·47 cites·12 claims
- 0683US5302519AMethod of producing a Mad polypeptideHUTCHINSON FRED CANCER RES·Filed 1992·Granted Apr 12, 1994·121 cites·10 claims
- 0779US4318853A9β,11β-Epoxy-5β-corticoidsUPJOHN CO·Filed 1980·Granted Mar 9, 1982·22 cites·20 claims
- 0876US6528620B1Sid-polyamide fusions: a potent method of regulating gene expressionUNIV UTAH RES FOUND·Filed 2000·Granted Mar 4, 2003·9 cites·26 claims
- 0975US5175281APharmaceutically active pyrimidinylpiperazinylsterioidsUPJOHN CO·Filed 1991·Granted Dec 29, 1992·30 cites·23 claims
- 1074US5099019AAmines useful in producing pharmaceutically active CNS compoundsUPJOHN CO·Filed 1988·Granted Mar 24, 1992·12 cites·3 claims
- 1171US4427591AReduced A ring-Δ9(11) -corticoidsUPJOHN CO·Filed 1981·Granted Jan 24, 1984·17 cites·60 claims
- 1269US5624818ANucleic acids encoding regulatory proteins that dimerize with Mad or MaxHUTCHINSON FRED CANCER RES·Filed 1994·Granted Apr 29, 1997·28 cites·18 claims
- 1369US4444689A17α-Acyloxy-5β-corticoids and 17α-acyloxy-5α-corticoidsUPJOHN CO·Filed 1981·Granted Apr 24, 1984·16 cites·15 claims
- 1464US5380841APyridinylpiperazinyl steroidsUPJOHN CO·Filed 1992·Granted Jan 10, 1995·6 cites·21 claims
- 1558US4126744A4-Oxo-PGI1 compoundsUPJOHN CO·Filed 1977·Granted Nov 21, 1978·5 cites·43 claims
- 1657US5506354AImidazolylpiperazinyl steroidsUPJOHN CO·Filed 1992·Granted Apr 9, 1996·8 cites·4 claims
- 1754US5268477ATriazinylpiperazinyl amine intermediatesUPJOHN CO·Filed 1992·Granted Dec 7, 1993·9 cites·1 claims
- 1854US4590187APhospholipase A2 inhibition using 4,1-benzoxazepine-2-(3H)-onesUPJOHN CO·Filed 1984·Granted May 20, 1986·3 cites·10 claims
- 1949US4226984A2-Decarboxy-2-aminomethyl-trans-4,5-didehydro-PGI1 compoundsUPJOHN CO·Filed 1978·Granted Oct 7, 1980·2 cites·82 claims
- 2048US4567000A11-Difluoromethylene steroidsUPJOHN CO·Filed 1984·Granted Jan 28, 1986·5 cites·24 claims
- 2131US4202970A11-Deoxy-trans-4,5-didehydro-PGI1 compoundsUPJOHN CO·Filed 1978·Granted May 13, 1980·0 cites·63 claims
- 2231US4200740A2-Decarboxy-2-hydroxymethyl-trans-4,5-didehydro-PGI1 compoundsUPJOHN CO·Filed 1978·Granted Apr 29, 1980·0 cites·82 claims
- 2331US4198500ATrans-4,5-didehydro-PGI1 amidesUPJOHN CO·Filed 1978·Granted Apr 15, 1980·0 cites·91 claims
- 2431US4163843A7A-Homo-4-oxo-PGI1 compoundsUPJOHN CO·Filed 1978·Granted Aug 7, 1979·0 cites·43 claims
- 2531US4145535APyran analogs of trans-4,5-didehydro-PGI compoundsUPJOHN CO·Filed 1978·Granted Mar 20, 1979·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →