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USPTO Patent Rankings Data through Dec 31, 2025
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Warren Chew — 18 Patents

Pfizer: 18 patents #185 of 5,153Top 4%
ᐙᔂᓂᐲ Waswanipi, CA: #9 of 249 inventorsTop 4%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Warren Chew has been granted 18 US patents while listed as an inventor at Pfizer. The first was granted in 2004 and the most recent in July 2018. Warren Chew ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Warren Chew in ᐙᔂᓂᐲ Waswanipi, QC, CA.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10035788 Maleate salts of (E)-N-{4[3-chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl}-4-(dimethylamino)-2-butenamide and crystalline forms thereof Qinghong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2018-07-31
9630946 Maleate salts of (E)-N-{4-[3-chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl}-4-(dimethylamino)-2-butenamide and crystalline forms thereof Quinhong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2017-04-25
9139558 Maleate salts of (E)-N-{4-[3-Chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl}-4-(dimethylamino)-2-butenamide and crystalline forms thereof Quinhong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2015-09-22
8394959 Maleate salts of (E)-N-{4-[3-chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl)-4-(dimethylamino)-2-buteramide and crystalline forms thereof Qinghong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2013-03-12
8173814 Maleate salts of (E)-N-{4-[3-chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl}-4-(dimethylamino)-2-butenamide and crystalline forms thereof Qinghong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2012-05-08
8022216 Maleate salts of (E)-N-{4-[3-chloro-4-(2-pyridinylmethoxy)anilino]-3-cyano-7-ethoxy-6-quinolinyl}-4-(dimethylamino)-2-butenamide and crystalline forms thereof Qinghong Lu, Mannching Sherry Ku, Gloria Cheal, Anthony F. Hadfield, Mahmoud Mirmehrabi 2011-09-20
RE41253 Antineoplastic combinations John Leo Considine, Sylvain Daigneault, Silvio Iera, Scott Duncan, Jiaxin Ren 2010-04-20
RE41084 Antineoplastic combinations John Leo Considine, Sylvain Daigneault, Silvio Iera, Scott Duncan, Jiaxen Ren 2010-01-19
7439364 Process for the synthesis of derivatives of halo-[2,3-F] quinoline Anita Wai-Yin Chan, Timothy T. Curran, Silvio Iera, John H. Sellstedt, Galina Vid +2 more 2008-10-21 $189,266,000
7432377 Quinoline intermediates of receptor tyrosine kinase inhibitors and the synthesis thereof Maria Papamichelakis, Youchu Wang 2008-10-07 $183,534,000
7384953 Purification of rapamycin Chia-Cheng Shaw, Bogdan Kazimierz Wilk 2008-06-10 $118,076,000
7288647 Recovery of CCI-779 from mother liquors Chia-Cheng Shaw, Bogdan Kazimierz Wilk, Genevieve Fortier 2007-10-30 $95,432,000
7202256 Proline CCI-779, production of and uses therefor, and two-step enzymatic synthesis of proline CCI-779 and CCI-779 Jianxin Gu, Mark Edward Ruppen, Panolil Raveendranath, Chia-Cheng Shaw 2007-04-10 $74,242,000
7166723 Process for the synthesis of derivatives of 2,3-dihydro-1,4-dioxino-[2,3-f] quinoline Anita Wai-Yin Chan, Timothy T. Curran, Silvio Iera, John H. Sellstedt, Galina Vid +2 more 2007-01-23 $86,239,000
7153957 Regioselective synthesis of CCI-779 Chia-Cheng Shaw 2006-12-26 $49,708,000
7126025 Synthesis of 4-(amino)-2-butenoyl chlorides and their use in the preparation of 3-cyano quinolines John Leo Considine, Sylvain Daigneault, Silvio Iera, Scott Duncan, Jianxin Ren 2006-10-24 $138,010,000
7038052 Process for the synthesis of derivatives of 2, 3-dihydro-1, 4-dioxino- [2, 3-f] quinoline Anita Wai-Yin Chan, Timothy T. Curran, Silvio Iera, John H. Sellstedt, Galina Vid +2 more 2006-05-02 $123,270,000
6693197 Process for the synthesis of derivatives of 2,3-dihydro-1,4-dioxino- [2,3-f] quinoline Anita Wai-Yin Chan, Timothy T. Curran, Silvio Iera, John H. Sellstedt, Galina Vid +2 more 2004-02-17 $179,126,000