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Sulfonic acid esters
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Patent number 4,242,507
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Issue date Dec 30, 1980
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Fujisawa Pharmaceutical Co., Ltd.
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Masumi Itoh
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C07 - ORGANIC CHEMISTRY
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3904612
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Patent number 3,904,612
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Issue date Sep 9, 1975
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C07 - ORGANIC CHEMISTRY
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3876698
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Patent number 3,876,698
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Issue date Apr 8, 1975
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C07 - ORGANIC CHEMISTRY
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3873509
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Patent number 3,873,509
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Issue date Mar 25, 1975
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C07 - ORGANIC CHEMISTRY
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3846398
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Patent number 3,846,398
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Issue date Nov 5, 1974
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C07 - ORGANIC CHEMISTRY
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3830794
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Patent number 3,830,794
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Issue date Aug 20, 1974
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C07 - ORGANIC CHEMISTRY
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3786038
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Patent number 3,786,038
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Issue date Jan 15, 1974
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C07 - ORGANIC CHEMISTRY
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3778428
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Patent number 3,778,428
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Issue date Dec 11, 1973
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C07 - ORGANIC CHEMISTRY
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3740386
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Patent number 3,740,386
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Issue date Jun 19, 1973
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C07 - ORGANIC CHEMISTRY
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3737423
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Patent number 3,737,423
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Issue date Jun 5, 1973
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C07 - ORGANIC CHEMISTRY
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3467667
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Patent number 3,467,667
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Issue date Sep 16, 1969
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE