Inventor · disambiguated record
Viswanathan Srinivasan
Also filed as: SRINIVASAN VISWANATHAN
7 granted patents·8 pending applications·56 citations·filing 1983–2016
81Inventor score
Files withSOVEREIGN PHARMACEUTICALS LTD5SRINIVASAN VISWANATHAN4INT MINERALS & CHEM CORP3BECKMAN COULTER INC1BROWN DAVID1
Top patents by PatentIndex Score
15 records- 0181US4639359AProcess of removing cationic impurities from wet process phosphoric acidINT MINERALS & CHEM CORP·Filed 1985·Granted Jan 27, 1987·32 cites·20 claims
- 0273US9844538B2Hyoscyamine dosage formSOVEREIGN PHARMACEUTICALS LLC·Filed 2016·Granted Dec 19, 2017·1 cites·20 claims
- 0362US9492541B2Phenylepherine containing dosage formSRINIVASAN VISWANATHAN·Filed 2004·Granted Nov 15, 2016·1 cites·112 claims
- 0460US4578249AProcess for recovery of uranium from wet process H3 PO4INT MINERALS & CHEM CORP·Filed 1983·Granted Mar 25, 1986·11 cites·7 claims
- 0559US9308164B2Hyoscyamine dosage formSRINIVASAN VISWANATHAN·Filed 2004·Granted Apr 12, 2016·0 cites·51 claims
- 0658US2005232986A1Dosage form containing promethazine and another drugBROWN DAVID·Filed 2003·Application pending·0 cites
- 0756US2005232993A1Dosage form containing promethazine and another drugSOVEREIGN PHARMACEUTICALS LTD·Filed 2005·Application pending·0 cites
- 0850US9592197B2Dosage form containing diphenhydramine and another drugSRINIVASAN VISWANATHAN·Filed 2004·Granted Mar 14, 2017·0 cites·68 claims
- 0950US2014087366A1USE OF DIVALENT IONS, PROTEASES, DETERGENTS, AND LOW pH IN THE EXTRACTION OF NUCLEIC ACIDSBECKMAN COULTER INC·Filed 2013·Application pending·0 cites
- 1050US2006029664A1Dosage form containing carbetapentane and another drugSOVEREIGN PHARMACEUTICALS LTD·Filed 2004·Application pending·0 cites
- 1149US2005232987A1Dosage form containing a morphine derivative and another drugSRINIVASAN VISWANATHAN·Filed 2004·Application pending·0 cites
- 1248US2005281875A1Promethazine containing dosage formSOVEREIGN PHARMACEUTICALS LTD·Filed 2005·Application pending·0 cites
- 1345US2005266032A1Dosage form containing multiple drugsSOVEREIGN PHARMACEUTICALS LTD·Filed 2005·Application pending·0 cites
- 1444US2007003622A1Diphenhydramine containing dosage formSOVEREIGN PHARMACEUTICALS LTD·Filed 2005·Application pending·0 cites
- 1537US4599156AElectrodialysis process for preparing hydrogen fluorideINT MINERALS & CHEM CORP·Filed 1985·Granted Jul 8, 1986·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →