U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.

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C » Chen - CHENDropdown » Chen, Kuo-Shu - CHEN, Lee-Tyng Dropdown
Chen, Kuo-ShuCHEN, Kuo-ShuChen, Kuo-TaiChen, Kuo-Ti (3)Chen, Kuo-TianChen, Kuo-Tong (2)Chen, Kuo-TsaiChen, Kuo-Tso (3)CHEN, Kuo-TsoCHEN, Kuo-TungChen, Kuo-Tzune (2)Chen, Kuo-WeiChen, Kuo-Wei H.Chen, Kuo-Wei HermanChen, Kuo-Wen (7)Chen, Kuo-YangCHEN, Kuo-YaoChen, Kuo-YenChen, Kuo Yi (2)Chen, Kuo-Yin (2)Chen, Kuo-Yu (2)Chen, Ku-PaoChen, Kwang-Cheng (7)CHEN, Kwang-ChengChen, Kwang-Ho (2)Chen, Kwang-LayChen, Kwang-Ming (2)Chen, Kwang-TsanChen, Kwan-HanCHEN, KWAN-HANChen, Kwei-LinChen, Kwei-PaoChen, Kwo-HsingChen, Kwok-Fai
Chen, Kwunmin (2)Chen, Kyle Da-KaiChen, Lai-chengChen, Lai-Cheng (6)Chen, Lai-FaChen, Lai-FuChen, Lai-HaoChen, Lai-Juh (3)Chen, Lai-Sheng (2)CHEN, Lai-ShengCHEN, LAI-SHENGCHEN, LAI-SHENG CHENChen, Lai-TuhChen, LaiyuanCHEN, LaiyuanChen, Lan (6)CHEN, LanChen, Lan B. (2)Chen, Lan Bo (3)CHEN, LAN BOChen, LanceChen, Lan-ChengChen, LanfuChen, LangChen, Lang S.CHEN, Lang S.CHEN, LangzhouChen, LanlinChen, Lan TaoChen, Lao-JerChen, Larry (2)Chen, Larry HenanChen, Larry P.Chen, Larry Tzu-Chiao
Chen, LauranceChen, LaurenceChen, Laurence L.CHEN, LAURENCE L.Chen, Laurence LujunChen, Lawrence (3)Chen, Lawrence P.Chen, Lawrence Shao-Hsien (2)Chen, Lawton (2)Chen, L. C. (2)CHEN, L. CharlieChen, LeChen, Lea-DerChen, Leang S.Chen, Leanne L.Chen, Lechong (2)Chen, Lee (10)CHEN, LeeChen, Lee BoonChen, Lee ChuinCHEN, Lee-ChungChen, Lee-Fei (5)Chen, Lee-HuaChen, Lee JenChen, Lee-Jen (3)Chen, Lee-Long (6)Chen, Lee M.Chen, Lee S.Chen, Lee-TingChen, Lee-Tsung (6)Chen, Lee-TyngCHEN, Lee-Tyng
 
 
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