Inventor · disambiguated record
Douglas O. Spry
Also filed as: SPRY DOUGLAS O
20 granted patents·82 citations·filing 1973–1993
93Inventor score
Files withLILLY CO ELI20
Top patents by PatentIndex Score
20 records- 0186US4115643AProcess for 3-chloro cephalosporinsLILLY CO ELI·Filed 1977·Granted Sep 19, 1978·15 cites·9 claims
- 0279US4031084AProcess for cephalosporin antibiotic intermediatesLILLY CO ELI·Filed 1975·Granted Jun 21, 1977·10 cites·10 claims
- 0362US5142039Aβ-lactam antibioticsLILLY CO ELI·Filed 1990·Granted Aug 25, 1992·8 cites·3 claims
- 0462US4012380A7-Acylamino-3-acyl-2(or 3)cephemsLILLY CO ELI·Filed 1974·Granted Mar 15, 1977·5 cites·15 claims
- 0560US4334063ACephalosporin vinyl halidesLILLY CO ELI·Filed 1981·Granted Jun 8, 1982·4 cites·7 claims
- 0657US4299954ACephalosporin vinyl halidesLILLY CO ELI·Filed 1979·Granted Nov 10, 1981·3 cites·23 claims
- 0757US3933806ACephalosporin michael adductsLILLY CO ELI·Filed 1973·Granted Jan 20, 1976·4 cites·13 claims
- 0853US4560749ACephem-3-imidates and 3-amidinesLILLY CO ELI·Filed 1983·Granted Dec 24, 1985·3 cites·20 claims
- 0951US4533497AN-ethylidene azetidinonesLILLY CO ELI·Filed 1982·Granted Aug 6, 1985·2 cites·6 claims
- 1050US4521598A3-AzidocephalosporinsLILLY CO ELI·Filed 1983·Granted Jun 4, 1985·4 cites·12 claims
- 1149US4983732AMethod of deprotection of 3-amino azetidinonesLILLY CO ELI·Filed 1989·Granted Jan 8, 1991·7 cites·3 claims
- 1248US4001226A3-(substituted)carbonylamino cephem derivativesLILLY CO ELI·Filed 1974·Granted Jan 4, 1977·10 cites·30 claims
- 1345US5239068ABicyclic β-lactam antibioticsLILLY CO ELI·Filed 1992·Granted Aug 24, 1993·2 cites·3 claims
- 1445US4133808A4-(Formylthio)azetidinones and ozonization process thereforLILLY CO ELI·Filed 1977·Granted Jan 9, 1979·1 cites·7 claims
- 1545US4048157A4(Formylthio)-azetidin-2-ones and ozonization process thereforLILLY CO ELI·Filed 1975·Granted Sep 13, 1977·1 cites·9 claims
- 1644US3953436A3,4-Dicarboxycephalosporins and derivativesLILLY CO ELI·Filed 1974·Granted Apr 27, 1976·2 cites·31 claims
- 1740US4604386A3-(alkynylalkyloxy) cephalosporinsLILLY CO ELI·Filed 1984·Granted Aug 5, 1986·1 cites·59 claims
- 1834US4334064ACephalosporin vinyl halidesLILLY CO ELI·Filed 1981·Granted Jun 8, 1982·0 cites·1 claims
- 1933US5393882ABicyclic β-lactam antibioticsLILLY CO ELI·Filed 1993·Granted Feb 28, 1995·0 cites·3 claims
- 2031US4565655ADiazabicyclononene antibacterialsLILLY CO ELI·Filed 1983·Granted Jan 21, 1986·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →