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3929969
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Patent number 3,929,969
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Issue date Dec 30, 1975
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C07 - ORGANIC CHEMISTRY
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3880612
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Patent number 3,880,612
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C07 - ORGANIC CHEMISTRY
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3878214
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Patent number 3,878,214
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C07 - ORGANIC CHEMISTRY
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3878290
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Patent number 3,878,290
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Issue date Apr 15, 1975
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C07 - ORGANIC CHEMISTRY
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3878292
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Patent number 3,878,292
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Issue date Apr 15, 1975
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C07 - ORGANIC CHEMISTRY
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3607050
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Patent number 3,607,050
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C07 - ORGANIC CHEMISTRY
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3597460
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Patent number 3,597,460
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C07 - ORGANIC CHEMISTRY
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3595616
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Patent number 3,595,616
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Issue date Jul 27, 1971
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C01 - INORGANIC CHEMISTRY
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3498749
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Patent number 3,498,749
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B66 - HOISTING LIFTING HAULING
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3497313
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C07 - ORGANIC CHEMISTRY
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3387730
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B66 - HOISTING LIFTING HAULING
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3332749
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Patent number 3,332,749
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C07 - ORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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3232699
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C01 - INORGANIC CHEMISTRY
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3112179
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C01 - INORGANIC CHEMISTRY
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3100687
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Patent number 3,100,687
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C01 - INORGANIC CHEMISTRY
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3067011
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C01 - INORGANIC CHEMISTRY