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Section:	Main.ORGANIC CHEMICALS.Aromatics.Imide.4-Nitro-N-Methyl-Phthalimide..Patent.Claims.Claim 1: Nitration N-(1-10C Alkyl).Phthalimide Process: a) Form Soln..of N-Alkyl Phthalimide in Solvent.> 95% Nitric Acid; b) Reaction at.Temp. = -20C to BP of Nitric Acid;.IMPROVEMENT; Add Promoter:.Acid Anhydride. Claim 5:.Inorganic Acid Anhydride Selected.Nitric Anhydride;.Phosphoric Anhydride & SO3..Claim 6: Organic Acid Anhydride.Claim 8: Select: Acetic Anhydride &.Trifluoroacetic Anhydride. Claim 16.N-Methyl Phthalimide. Assignee
Code:	54204
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