Inventor · disambiguated record
Lowell D. Hatfield
Also filed as: BLASZCZAK LARRY C · HATFIELD LOWELL D
13 granted patents·61 citations·filing 1974–1995
89Inventor score
Files withLILLY CO ELI13
Top patents by PatentIndex Score
13 records- 0189US4144391ACephalosporin displacement reactionLILLY CO ELI·Filed 1977·Granted Mar 13, 1979·22 cites·115 claims
- 0283US4044002AReduction process for cephalosporin sulfoxidesLILLY CO ELI·Filed 1976·Granted Aug 23, 1977·13 cites·23 claims
- 0361US4211702AProcess for preparation of penicillin and cephalosporin imino halidesLILLY CO ELI·Filed 1979·Granted Jul 8, 1980·4 cites·24 claims
- 0460US3953440ADeacetoxycephalosporins via penicillin sulfoxide rearrangementLILLY CO ELI·Filed 1974·Granted Apr 27, 1976·4 cites·6 claims
- 0555US4230644AHalogenating reagentsLILLY CO ELI·Filed 1979·Granted Oct 28, 1980·3 cites·15 claims
- 0655US4226986AProcess for halogenation of β-lactam compoundsLILLY CO ELI·Filed 1979·Granted Oct 7, 1980·5 cites·38 claims
- 0748US4271305AThiazolinoazetidinones and process thereforLILLY CO ELI·Filed 1979·Granted Jun 2, 1981·2 cites·20 claims
- 0839US4175076AAzetidinone mercury sulfides and process thereforLILLY CO ELI·Filed 1977·Granted Nov 20, 1979·1 cites·10 claims
- 0939US4091214ADe-esterification process for cephalosporinsLILLY CO ELI·Filed 1977·Granted May 23, 1978·1 cites·11 claims
- 1038US4502988AOxidation processLILLY CO ELI·Filed 1983·Granted Mar 5, 1985·3 cites·17 claims
- 1135US5644051AIntermediates for the preparation of carbacephemsLILLY CO ELI·Filed 1995·Granted Jul 1, 1997·2 cites·10 claims
- 1232US5700933AChiral intermediates for the preparation of carbacephemsLILLY CO ELI·Filed 1995·Granted Dec 23, 1997·1 cites·19 claims
- 1329US5521307AMethods and compounds for the preparation of carbacephemsLILLY CO ELI·Filed 1992·Granted May 28, 1996·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →