Lalitha Krishnan has been granted 10 US patents while listed as an inventor at Pfizer . The first was granted in 1993 and the most recent in October 2016. Lalitha Krishnan ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Lalitha Krishnan in Suffern, NY, US.
Patents per Year Patents granted per year, 1993 to 2016 Bar chart with a peak of 2 patents in 1993. peak 2 1993: 2 patents 1993 1997: 1 patents 1997 2003: 1 patents 2003 2007: 2 patents 2007 2008: 1 patents 2008 2013: 1 patents 2013 2015: 1 patents 2015 2016: 1 patents 2016
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9469609 Synthesis of pyrrolidine compounds Asaf Alimardanov , Maotang Zhou , Ting-Zhong Wang , Jianxin Ren , John Leo Considine +6 more 2016-10-18
8927590 Synthesis of pyrrolidine compounds Asaf Alimardanov , Maotang Zhou , Ting-Zhong Wang , Jianxin Ren , John Leo Considine +6 more 2015-01-06
8372995 Crystalline solid forms of tigecycline and methods of preparing same Subodh Deshmukh , Anthony F. Hadfield , W. James Huang , Mannching Sherry Ku 2013-02-12
7435732 Crystalline polymorphs of (3S)-N-hydroxy-4-({4-[-(4-hydroxy-2-butynyl)oxy]phenyl}sulfonyl)-2,2-dimethyl-3-thiomorpholine carboxamide Wei Tong , Abdolsamad Tadayon , Peter John Larkin , Subodh Deshmukh , Jean Marie Akin 2008-10-14
$114,692,000
7297704 Cycloalkyfused indole, benzothiophene, benzofuran and idene derivatives Annmarie Louise Sabb , Robert L. Vogel , Gary P. Stack , Deborah Evrard , Amedeo A. Failli +8 more 2007-11-20
$36,867,000
7179911 Method for preparing hydroxamic acids Ting-Zhong Wang , Joseph Zeldis , Jeremy Levin , Jean Schmid , Mellard Jennings +2 more 2007-02-20
$40,010,000
6642416 Process for the preparation of 2-[alkyl(aryl)]sulfonylbenzene-sulfonyl chlorides and their intermediates Bogdan Kazimierz Wilk , Jennifer P. Varriano 2003-11-04
$379,532,000
5675030 Method for selective extracting a 7-(hydrogen or substituted amino)-9-(substituted glycyl) amido!-6-demethyl-6-deoxytetracycline compound Richard A. Leese , Raghavan Krishnan 1997-10-07
5235037 Vancomycin precipitation process — 1993-08-10
$5,574,000
5182374 Clindamycin phosphate synthesis Martin Tobkes , Simon Diaz 1993-01-26
$6,800,000
