Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
BC

Bertrand L. Chenard

Pfizer: 32 patents #54 of 5,153Top 2%
HBHydra Biosciences: 12 patents #4 of 44Top 10%
NENeurogen: 10 patents #25 of 120Top 25%
EAE.I. Du Pont De Nemours And: 5 patents #1,460 of 8,010Top 20%
NPNovartis International Pharmaceutical: 2 patents #11 of 55Top 20%
ELEli Lilly: 2 patents #1,306 of 2,858Top 50%
BOBOE: 1 patents #7,844 of 12,373Top 65%
EPExithera Pharmaceuticals: 1 patents #9 of 11Top 85%
Waterford, CT: #1 of 143 inventorsTop 1%
Connecticut: #275 of 34,797 inventorsTop 1%
Overall (All Time): #32,712 of 4,157,543Top 1%
66 Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
5654302 Prodrug esters of phenolic 2-piperidino-1-alkanols 1997-08-05
5597826 Compositions containing sertraline and a 5-HT.sub.1D receptor agonist or antagonist Harry Howard, John E. Macor, Jeffrey S. Sprouse, David W. Schulz 1997-01-28
5594007 Method for treating spinal cord trauma with phenolic 2-piperidino-1-alkanols 1997-01-14
5527912 Intermediates for 2-piperidino-1-alkanol derivatives 1996-06-18
5498610 Neuroprotective indolone and related derivatives 1996-03-12
5455250 Prodrug esters of phenolic 2-piperidino-1-alkanols 1995-10-03
5391742 Intermediates for 2-piperidino-1-alkanols 1995-02-21
5338754 2-pyrrolidino-1-alkanol derivatives as antiischemic agents 1994-08-16
5306723 Neuroprotective indolone and related derivatives 1994-04-26
5272160 2-piperidino-1-alkanol derivatives as antiischemic agents 1993-12-21
5185343 Nortropyl-1-alkanol derivatives as antiischemic agents 1993-02-09
4795817 8-substituted pyrazolopentathiepins and related compounds 1989-01-03
4786739 Substituted benzopentathiepins, process therefor and intermediates 1988-11-22
4723016 Preparation of anhydrous organic acid salts Evan D. Laganis 1988-02-02
4611001 Antimycotic pyrazolotetrathiepins 1986-09-09
4571404 Substituted benzopentathiepins 1986-02-18