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Organic Compounds -- Part Of The Class 532-570 Series > Azo Compounds Containing Formaldehyde Reaction Product As The Coupling Component > Carboxylic Acid Esters > Aromatic Acid Moiety > Nitrogen In Acid Moiety Other Than As Nitroso Or Isocyanate (e.g., Amino Acid Esters, Etc.) Nitrogen In Acid Moiety Other Than As Nitroso Or Isocyanate (e.g., Amino Acid Esters, Etc.)Nitrogen In Acid Moiety Other Than As Nitroso Or Isocyanate (e.g., Amino Acid Esters, Etc.) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/22/06 - 20060135807 - Process for preparing esters of 3-amino-4-halobenzoic acid Disclosed is a process for producing good yields of high quality esters of 3-amino-4-halobenzoic acid by contacting the subject acid with an alkyl halide or sulfonate in a solvent in the presence of an aqueous alkali metal hydroxide and a phase transfer catalyst comprising tetrasubstituted ammonium or phosphonium salt. ... ### FreshPatents.com Support |