Assignee
ALFA WASSERMANN SPA
US·52 granted patents·20 pending applications·1,572 citations·filing 1989–2017
Top patents by PatentIndex Score
72 records- 0197US7902206B2Polymorphic forms α, β and γ of rifaximinALFA WASSERMANN SPA·Filed 2008·Granted Mar 8, 2011·28 cites·57 claims
- 0297US7045620B2Polymorphous forms of rifaximin, processes for their production and use thereof in medicinal preparationsALFA WASSERMANN SPA·Filed 2003·Granted May 16, 2006·139 cites·20 claims
- 0396US8835452B2Polymorphic forms α, β and γ of rifaximinALFA WASSERMANN SPA·Filed 2012·Granted Sep 16, 2014·15 cites·21 claims
- 0496US7915275B2Use of polymorphic forms of rifaximin for medical preparationsALFA WASSERMANN SPA·Filed 2007·Granted Mar 29, 2011·53 cites·30 claims
- 0596US7906542B2Pharmaceutical compositions comprising polymorphic forms α, β, and γ of rifaximinALFA WASSERMANN SPA·Filed 2008·Granted Mar 15, 2011·40 cites·25 claims
- 0695US8741904B2Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparationsALFA WASSERMANN SPA·Filed 2013·Granted Jun 3, 2014·20 cites·44 claims
- 0795US7923553B2Processes for the production of polymorphic forms of rifaximinALFA WASSERMANN SPA·Filed 2008·Granted Apr 12, 2011·18 cites·46 claims
- 0895US7612199B2Polymorphic forms α, β, and γ of rifaximinALFA WASSERMANN SPA·Filed 2009·Granted Nov 3, 2009·45 cites·7 claims
- 0994US9271968B2Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparationsALFA WASSERMANN SPA·Filed 2014·Granted Mar 1, 2016·14 cites·18 claims
- 1093US8853231B2Pharmaceutical compositions comprising polymorphic forms α, β, and γ of rifaximinALFA WASSERMANN SPA·Filed 2012·Granted Oct 7, 2014·15 cites·18 claims
- 1192US4888178AGalenic formulations with programmed release containing naproxenALFA WASSERMANN SPA·Filed 1989·Granted Dec 19, 1989·85 cites·15 claims
- 1291US6140355APharmaceutical compositions containing rifaximin for treatment of vaginal infectionsALFA WASSERMANN SPA·Filed 1994·Granted Oct 31, 2000·152 cites·7 claims
- 1391US5314904APharmaceutical compositions containing rifaximin for treatment of vaginal infectionsALFA WASSERMANN SPA·Filed 1992·Granted May 24, 1994·144 cites·7 claims
- 1491US5252339APharmaceutical compositions containing orally absorbable glycosamimoglycansALFA WASSERMANN SPA·Filed 1992·Granted Oct 12, 1993·146 cites·9 claims
- 1589US5010063AHeparin derivatives and process for their preparationALFA WASSERMANN SPA·Filed 1989·Granted Apr 23, 1991·84 cites·14 claims
- 1686US6960341B2Bifidobacteria and preparations containing themALFA WASSERMANN SPA·Filed 2003·Granted Nov 1, 2005·41 cites·14 claims
- 1782US5104860AHeparin derivatives and process for their preparationALFA WASSERMANN SPA·Filed 1990·Granted Apr 14, 1992·43 cites·13 claims
- 1881US5302398AGastroresistant pharmaceutical formulations for oral administration containing salts of bile acidsALFA WASSERMANN SPA·Filed 1992·Granted Apr 12, 1994·71 cites·5 claims
- 1979US6299567B1Selective component agitation apparatus and methodALFA WASSERMANN SPA·Filed 1996·Granted Oct 9, 2001·61 cites·14 claims
- 2078US6866782B2Process for the purification of pharmacologically active proteins through cationic exchange chromatographyALFA WASSERMANN SPA·Filed 2002·Granted Mar 15, 2005·11 cites·7 claims
- 2177US9452157B2Pharmaceutical compositions comprising rifaximin and amino acids, preparation methods and use thereofALFA WASSERMANN SPA·Filed 2013·Granted Sep 27, 2016·5 cites·34 claims
- 2273US9938298B2Solvated crystal form of rifaximin, production, compositions and uses thereofALFA WASSERMANN SPA·Filed 2015·Granted Apr 10, 2018·2 cites·10 claims
- 2373US5300300AControlled release gastroresistant pharmaceutical formulations for oral administration containing bile acids and their saltsALFA WASSERMANN SPA·Filed 1992·Granted Apr 5, 1994·48 cites·6 claims
- 2472US2015175627A1Polymorphic forms alpha, beta and gamma of rifaximinALFA WASSERMANN SPA·Filed 2014·Application pending·0 cites
- 2571US5352679AUse of rifaximin and pharmaceutical formulations containing it in the treatment of gastric dyspepsia caused by helicobacter pyloriALFA WASSERMANN SPA·Filed 1993·Granted Oct 4, 1994·45 cites·3 claims
- 2670US9498442B2Rifaximin powder, process for preparing the same an controlled release compositions containing said rifaximin useful for obtaining a long-lasting effectALFA WASSERMANN SPA·Filed 2014·Granted Nov 22, 2016·1 cites·7 claims
- 2768US2015072002A1Use of polyols to obtain stable polymorphous forms of rifaxminALFA WASSERMANN SPA·Filed 2014·Application pending·0 cites
- 2867US8765778B2Rifamycin derivativesALFA WASSERMANN SPA·Filed 2012·Granted Jul 1, 2014·1 cites·29 claims
- 2967US2018065987A1Polymorphic forms alpha, beta and gamma of rifaximinALFA WASSERMANN SPA·Filed 2017·Application pending·0 cites
- 3067US2015182508A1Pharmaceutical compositions comprising polymorphic forms alpha, beta, and gamma of rifaximinALFA WASSERMANN SPA·Filed 2014·Application pending·0 cites
- 3166US5639744ABile acids derivatives useful in the therapy of the biliary calculosis from cholesterol and of the pathologies caused by cholestasisALFA WASSERMANN SPA·Filed 1995·Granted Jun 17, 1997·20 cites·15 claims
- 3266US5430133ASemi-synthetic glycosaminoglycans with heparin or heparan structure of α-L-iduronic-2-O-sulfate acid modified in position 2ALFA WASSERMANN SPA·Filed 1993·Granted Jul 4, 1995·18 cites·27 claims
- 3366US2017210758A1Polymorphic forms alpha, beta and gamma of rifaximinALFA WASSERMANN SPA·Filed 2016·Application pending·0 cites
- 3465US2018065988A1Pharmaceutical compositions comprising polymorphic forms alpha, beta, and gamma of rifaximinALFA WASSERMANN SPA·Filed 2017·Application pending·0 cites
- 3564US5496807AMethod of treatment of diabetic nephropathy by means of sulodexide of medicines containing itALFA WASSERMANN SPA·Filed 1994·Granted Mar 5, 1996·18 cites·4 claims
- 3663US2017210757A1Pharmaceutical compositions comprising polymorphic forms alpha, beta, and gamma of rifaximinALFA WASSERMANN SPA·Filed 2016·Application pending·0 cites
- 3762US5886002AUse of rifaximin and of pharmaceutical compositions containing it in the treatment of the diarrhoea from cryptosporidiosisALFA WASSERMANN SPA·Filed 1998·Granted Mar 23, 1999·27 cites·3 claims
- 3862US5096926AInjectable formulations containing the sodium salt of naproxenALFA WASSERMANN SPA·Filed 1990·Granted Mar 17, 1992·17 cites·7 claims
- 3961US9402885B2Method of treating GERD with alpha and beta galactosidasesALFA WASSERMANN SPA·Filed 2014·Granted Aug 2, 2016·0 cites·4 claims
- 4061US2016362419A1Polymorphous forms of rifaximin, processes for their production and use thereof in the medicinal preparationsALFA WASSERMANN SPA·Filed 2016·Application pending·0 cites
- 4159US2013183325A1Mucoadhesive xyloglucan-containing formulations useful in medical devices and in pharmaceutical formulationsALFA WASSERMANN SPA·Filed 2013·Application pending·0 cites
- 4258US5236910AUse of glycosaminoglycans in the treatment of diabetic nephropathy and diabetic neuropathyALFA WASSERMANN SPA·Filed 1992·Granted Aug 17, 1993·24 cites·8 claims
- 4358US2005272754A1Polymorphic forms of rifaximin, processes for their production and uses thereofALFA WASSERMANN SPA·Filed 2005·Application pending·0 cites
- 4458US2014186450A1Gastroresistant pharmaceutical formulations containing rifaximinALFA WASSERMANN SPA·Filed 2013·Application pending·0 cites
- 4557US2015080421A1Pharmaceutical formulations containing rifaximin, processes for their obtainment and method of treating intestinal diseaseALFA WASSERMANN SPA·Filed 2014·Application pending·0 cites
- 4656US5410039AProcess for the synthesis of glycosaminoglycans containing α-L-galacturonic acid substituted with nucleophilic groups in position 3ALFA WASSERMANN SPA·Filed 1994·Granted Apr 25, 1995·12 cites·8 claims
- 4756US5380533AGastroresistant pharmaceutical formulations for oral administration containing bile acidsALFA WASSERMANN SPA·Filed 1992·Granted Jan 10, 1995·21 cites·9 claims
- 4855US5430132ASemi-synthetic glycosaminoglycans containing α-L-galacturonic acid substituted with nucleophilic groups in position 3ALFA WASSERMANN SPA·Filed 1993·Granted Jul 4, 1995·14 cites·20 claims
- 4954US2011086871A1Rifaximin compositions and method of useALFA WASSERMANN SPA·Filed 2010·Application pending·0 cites
- 5050US10258657B2Therapeutic and nutritional compositions for functional gastrointestinal disordersALFA WASSERMANN SPA·Filed 2015·Granted Apr 16, 2019·0 cites·11 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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