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3920830
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Patent number 3,920,830
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Issue date Nov 18, 1975
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C07 - ORGANIC CHEMISTRY
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3878243
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Patent number 3,878,243
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Issue date Apr 15, 1975
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C07 - ORGANIC CHEMISTRY
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3865553
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Patent number 3,865,553
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Issue date Feb 11, 1975
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C07 - ORGANIC CHEMISTRY
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3845122
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Patent number 3,845,122
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Issue date Oct 29, 1974
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C07 - ORGANIC CHEMISTRY
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3843792
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Patent number 3,843,792
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Issue date Oct 22, 1974
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C07 - ORGANIC CHEMISTRY
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3839403
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Patent number 3,839,403
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Issue date Oct 1, 1974
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C07 - ORGANIC CHEMISTRY
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3832378
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Patent number 3,832,378
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Issue date Aug 27, 1974
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C07 - ORGANIC CHEMISTRY
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3812174
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Patent number 3,812,174
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Issue date May 21, 1974
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C07 - ORGANIC CHEMISTRY