Assignee
PIERREL SPA
IT·25 granted patents·175 citations·filing 1975–1992
Top patents by PatentIndex Score
25 records- 0184US4226862ASteroids and process for preparing the samePIERREL SPA·Filed 1975·Granted Oct 7, 1980·25 cites·41 claims
- 0275US4774325ANew 8-substituted nucleoside and purine derivatives, the process for the preparation thereof and the pharmaceutical compositions containing themPIERREL SPA·Filed 1985·Granted Sep 27, 1988·28 cites·10 claims
- 0375US4514562AFluorinated erythromycin compounds and a process for preparationPIERREL SPA·Filed 1982·Granted Apr 30, 1985·16 cites·24 claims
- 0474US4588712A(8S)-8-fluoroerythromycin derivatives, the process for the preparation thereof and the pharmaceutical compositions containing themPIERREL SPA·Filed 1985·Granted May 13, 1986·22 cites·10 claims
- 0570US4902790ANovel process for the synthesis of amikacinPIERREL SPA·Filed 1986·Granted Feb 20, 1990·23 cites·18 claims
- 0668US4181740AIndolyl acetic acid derivativePIERREL SPA·Filed 1977·Granted Jan 1, 1980·5 cites·9 claims
- 0766US4439426ASemisynthetic macrolidic antibiotics, intermediate compounds for their preparation and related pharmaceutical compositions containing themPIERREL SPA·Filed 1982·Granted Mar 27, 1984·8 cites·25 claims
- 0859US5010056APharmaceutical composition for intranasal administration, comprising GH-releasing hormone, a cholinergic agonist and optionally a bile saltPIERREL SPA·Filed 1988·Granted Apr 23, 1991·12 cites·11 claims
- 0957US4894460ABasic esters exhibiting an antagonistic activity to calcium, process for the preparation thereof and pharmaceutical compositions therefromPIERREL SPA·Filed 1983·Granted Jan 16, 1990·4 cites·2 claims
- 1056US4526985AProcess for the preparation of the anhydride of N-formyl-L-aspartic acidPIERREL SPA·Filed 1983·Granted Jul 2, 1985·4 cites·1 claims
- 1155US4429115A3-O-Oleandrosyl-5-O-desosaminyl erythronolide compoundsPIERREL SPA·Filed 1982·Granted Jan 31, 1984·5 cites·4 claims
- 1249US4275061ASteroids and process for preparing the samePIERREL SPA·Filed 1979·Granted Jun 23, 1981·2 cites·23 claims
- 1348US4673736AProcess for the preparation of (8S)-8-fluoroerythromycinsPIERREL SPA·Filed 1984·Granted Jun 16, 1987·5 cites·10 claims
- 1446US4013679ASubstituted 6,7-dihydro [1,7-ab](1) benzazepine compoundsPIERREL SPA·Filed 1975·Granted Mar 22, 1977·2 cites·9 claims
- 1545US4272446ASteroids and process for preparing the samePIERREL SPA·Filed 1979·Granted Jun 9, 1981·2 cites·9 claims
- 1643US4508719AHydroxyimino and alkoxyimino derivatives of 1,4-dihydropyridine and anti-hypertensive compositionsPIERREL SPA·Filed 1983·Granted Apr 2, 1985·2 cites·17 claims
- 1742US4579861AAryloxypropanolamine derivatives, pharmaceutical compositions and adrenegic thereofPIERREL SPA·Filed 1984·Granted Apr 1, 1986·2 cites·9 claims
- 1836US5470858ADerivatives of (hetero)aromatic ethers and thioethers having antihyperlipidemic activity, process for their preparation and pharmaceutical compositions containing themPIERREL SPA·Filed 1992·Granted Nov 28, 1995·4 cites·9 claims
- 1936US4560662AStreptomyces antibioticus ATCC 31771 and process for obtaining samePIERREL SPA·Filed 1983·Granted Dec 24, 1985·1 cites·4 claims
- 2036US4299962AProcess for synthesizing 2-sulphanilamido-3-methoxypyrazinePIERREL SPA·Filed 1980·Granted Nov 10, 1981·1 cites·9 claims
- 2130US4390533ASteroids and process for preparing the samePIERREL SPA·Filed 1981·Granted Jun 28, 1983·0 cites·35 claims
- 2228US4540662ASemisynthetic macrolidic antibiotics, intermediate compounds for their preparation and related pharmaceutical compositions containing compounds for their preparation and related pharmaceutical compositions containing themPIERREL SPA·Filed 1984·Granted Sep 10, 1985·1 cites·20 claims
- 2326US4434097AProcess for the removal of the formyl group from N-formyl peptides and esters thereofPIERREL SPA·Filed 1982·Granted Feb 28, 1984·1 cites·10 claims
- 2424US4347247APharmacological preparation composed of a quinoxaline derivative mixed with sodium bicarbonatePIERREL SPA·Filed 1980·Granted Aug 31, 1982·0 cites·3 claims
- 2512US4073903A3-Desacetoxymethyl-3- 5'(1-methyltetrazolyl)thio!methyl-7- 1-(4-nitroimidazolyl)acetyl!aminocephalosporanic acidPIERREL SPA·Filed 1976·Granted Feb 14, 1978·0 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →