LL

Leo J. Letendre

GS G.D. Searle: 12 patents #101 of 659Top 20%
Pfizer: 5 patents #1,037 of 5,153Top 25%
PH Pharmacia: 2 patents #167 of 528Top 35%
PI Pharmacia Corporation (Of Pfizer, Inc.): 1 patents #1 of 42Top 3%
📍 Oakdale, CT: #1 of 39 inventorsTop 3%
🗺 Connecticut: #1,981 of 34,797 inventorsTop 6%
Overall (All Time): #217,908 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11980669 Capped and uncapped antibody cysteines, and their use in antibody-drug conjugation Xiaotian Zhong, Amarnauth Shastrie Prashad, Ronald Kriz, Tao He, Will Somers +1 more 2024-05-14
10653794 Capped and uncapped antibody cysteines, and their use in antibody-drug conjugation Xiaotian Zhong, Amarnauth Shastrie Prashad, Ronald Kriz, Tao He, Will Somers +1 more 2020-05-19
10508081 Intermediates and methods for synthesizing calicheamicin derivatives Robert W. Dugger, Vimalkumar Babubhai Patel, Amarnauth Shastrie Prashad, Chunchun Zhang 2019-12-17
9902691 Intermediates and methods for synthesizing calicheamicin derivatives Robert W. Dugger, Vimalkumar Babubhai Patel, Amarnauth Shastrie Prashad, Chunchun Zhang 2018-02-27
7759497 Synthesis of diaryl pyrazoles William D. McGhee, Cynthia Snoddy, George Helmut Klemm, Henry Gaud 2010-07-20
7141678 Synthesis of diaryl pyrazoles William D. McGhee, Cynthia Snoddy, George Helmut Klemm, Henry Gaud 2006-11-28
7129345 Keto-substituted steroid compounds John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2006-10-31
7112669 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Chin Liu, Dennis K. Anderson, Jon P. Lawson, Joseph Wieczorek +9 more 2006-09-26
7038040 Process for preparation of 9, 11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2006-05-02
6953851 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2005-10-11
6887991 Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein John S. Ng, Chin Liu, Dennis K. Anderson, Jon P. Lawson, Joseph Wieczorek +9 more 2005-05-03
6630587 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2003-10-07
6610844 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Chin Liu, Dennis K. Anderson, Jon P. Lawson, Joseph Wieczorek +9 more 2003-08-26
6586591 Process for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2003-07-01
6335441 5&bgr;-cyano-substituted steroid compounds John S. Ng, Chin Liu, Dennis K. Anderson, Jon P. Lawson, Bernhard Erb +5 more 2002-01-01
6331622 Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2001-12-18
6258946 Keto-Substituted Steroid Compounds John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2001-07-10
6180780 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +9 more 2001-01-30
6140505 Synthesis of benzo fused heterocyclic sulfonyl chlorides Sastry A. Kunda, Gary A. De Crescenzo 2000-10-31
5981744 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein John S. Ng, Ping T. Wang, Julio A. Baez, Chin Liu, Dennis K. Anderson +7 more 1999-11-09