Assignee
ISF SPA
IT·32 granted patents·601 citations·filing 1972–1992
Top patents by PatentIndex Score
32 records- 0194US4118396APyrrolidine derivativesISF SPA·Filed 1976·Granted Oct 3, 1978·53 cites·7 claims
- 0292US4173569APreparation of pyrrolidine and pyrrolidin-2-one derivativesISF SPA·Filed 1978·Granted Nov 6, 1979·56 cites·3 claims
- 0392US4013075AInhalers and insufflators having a cutting meansISF SPA·Filed 1975·Granted Mar 22, 1977·252 cites·24 claims
- 0490US4124594A4-Hydroxy pyrrolidin-2-onyl-amidesISF SPA·Filed 1978·Granted Nov 7, 1978·41 cites·7 claims
- 0587US3976673A4-Cyclopropylmethyleneoxy-3-chlorophenylacetic acid and salts thereofISF SPA·Filed 1975·Granted Aug 24, 1976·24 cites·4 claims
- 0675US4173648A3β-Hydroxy-18β-olean-9-en-30-oic acidsISF SPA·Filed 1978·Granted Nov 6, 1979·12 cites·11 claims
- 0771US4002753A6-Substituted 3-carbethoxyhydrazinopyridazinesISF SPA·Filed 1975·Granted Jan 11, 1977·8 cites·2 claims
- 0866US5053422APsychotropic perhydroazacycloalka [1,2-A] imidazole derivativesISF SPA·Filed 1989·Granted Oct 1, 1991·11 cites·22 claims
- 0964US5122376ACalcitonin gene related peptideISF SPA·Filed 1990·Granted Jun 16, 1992·32 cites·16 claims
- 1064US4797496AProcess for the preparation of pyrrolidone derivativesISF SPA·Filed 1988·Granted Jan 10, 1989·6 cites·24 claims
- 1163US4575552AProcess of making ethyl[6-[ethyl-(2-hydroxypropyl)amino]-3-pyridazinyl]hydrazine carboxylateISF SPA·Filed 1984·Granted Mar 11, 1986·4 cites·5 claims
- 1262US4629797AProcess for the preparation of pyrrolidone derivativesISF SPA·Filed 1985·Granted Dec 16, 1986·9 cites·8 claims
- 1362US4581449AProcess of making ethyl{6-[ethyl-(2-hydroxypropyl)amino]-3-pyridazinyl}hydrazinecarboxylateISF SPA·Filed 1984·Granted Apr 8, 1986·5 cites·4 claims
- 1462US4530934APharmaceutically active ursolic acid derivativeISF SPA·Filed 1983·Granted Jul 23, 1985·7 cites·5 claims
- 1561US4788300ASubstituted butanamido acetate compounds for the preparation of pyrrolidone derivativesISF SPA·Filed 1986·Granted Nov 29, 1988·8 cites·3 claims
- 1660US4324788AAlkoxyalkylidenhydrazinopridazines and process for their preparationISF SPA·Filed 1980·Granted Apr 13, 1982·7 cites·25 claims
- 1756US4757142AProcess for preparing 6-amino-3-hydrazinopyridazine derivativesISF SPA·Filed 1986·Granted Jul 12, 1988·5 cites·8 claims
- 1855US5200406APharmaceutically useful 2,5-dioxo-1H-octahydroimidazo[1,2-A]azepinesISF SPA·Filed 1992·Granted Apr 6, 1993·5 cites·8 claims
- 1953US4824861APyrrolidone derivatives and memory enhancement use thereofISF SPA·Filed 1987·Granted Apr 25, 1989·6 cites·4 claims
- 2052US5183802APharmaceutical compositions for intranasal administration of calcitoninISF SPA·Filed 1988·Granted Feb 2, 1993·17 cites·22 claims
- 2150US5130319APharmacologically active 2,5-dioxo-octahydro-imidazo [1,2-a]pyridinesISF SPA·Filed 1991·Granted Jul 14, 1992·7 cites·8 claims
- 2246US4086343AAcylated hydrazinopyridazine antihypertensivesISF SPA·Filed 1977·Granted Apr 25, 1978·2 cites·10 claims
- 2342US4719222APharmacologically active 5-oxo-1-imidazolidine acetamide compoundsISF SPA·Filed 1986·Granted Jan 12, 1988·3 cites·13 claims
- 2442US4632982ATriphenylmethyl azo and hydrazino substituted pyridazinesISF SPA·Filed 1986·Granted Dec 30, 1986·1 cites·4 claims
- 2541US4868313AA process for making pyrrolidone derivativesISF SPA·Filed 1989·Granted Sep 19, 1989·8 cites·1 claims
- 2640US5082939APyridazine derivativesISF SPA·Filed 1989·Granted Jan 21, 1992·1 cites·10 claims
- 2736US3984461A3-0-(Beta-carbobenzyloxypropionyl)-11-oxo-18-beta-olean-12-en-30-oic acidISF SPA·Filed 1972·Granted Oct 5, 1976·3 cites·1 claims
- 2834US3998950A7-αHydrazinoacetamido derivatives of cephalosporanicISF SPA·Filed 1975·Granted Dec 21, 1976·4 cites·19 claims
- 2933US4873328AProcess for preparing alkoxyalkylidenehydrazinopyridazine derivativesISF SPA·Filed 1988·Granted Oct 10, 1989·1 cites·5 claims
- 3033US4703054ANootropic imidazolidinonesISF SPA·Filed 1986·Granted Oct 27, 1987·1 cites·12 claims
- 3132US4465831AKetoiminocephalosporin derivativesISF SPA·Filed 1981·Granted Aug 14, 1984·1 cites·6 claims
- 3222US4122111ACarbamoylthiobenzamides and compositions comprising sameISF SPA·Filed 1977·Granted Oct 24, 1978·1 cites·10 claims
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