Process for the production of phthalimides

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United States of America Patent

PATENT NO 9701632
SERIAL NO

15102077

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Abstract

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The invention relates to a process to produce phthalimides by heating diammonium phthalate in the presence of aromatic solvents and to a process to produce phthalimides by heating diammonium phthalate in the presence of aromatic solvents for their recycled use during the ion exchanger production process. The diammonium phthalate is prepared by making use of the phthalic add salts solution resulted from the on exchanger production process.

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Patent Owner(s)

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LANXESS DEUTSCHLAND GMBH50569 KÖLN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boeger, Uwe Leverkusen, DE 3 1
Issling, Guido Langenfeld, DE 1 1
Koschorreck, Markus Duesseldorf, DE 1 1
Martin, Georg Langenfeld, DE 9 11
Pies, Michael Duisburg, DE 6 11
Zarges, Wolfgang Cologne, DE 24 172

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