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last 30 patents
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Patent Grant
Bis-phosphonium salt and process for producing the same
Patent number
6,774,265
Issue date
Aug 10, 2004
Nippon Chemical Industrial Co., Ltd.
Sha Yaowu
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
BISPHOSPHONIUM SALT AND PROCESS FOR PRODUCING THE SAME
Publication number
20040138504
Publication date
Jul 15, 2004
Sha Yaowu
C07 - ORGANIC CHEMISTRY