1,1-disubstituted ethylene process

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United States of America Patent

PATENT NO 11555011
APP PUB NO 20200223790A1
SERIAL NO

16827599

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Process for the production of methylidene malonates and cyanoacrylates employing in-situ formed iminium salts derived from acid halides and/or acid anhydrides and N,N,N′,N′-tetra hydrocarbyl diaminoalkanes, the acid halides and/or acid anhydrides being present in a molar excess relative to the diaminoalkanes, as co-reactants with select malonic acid esters and cyanoacetates, respectively.

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OPTMED INC745 FIFTH AVENUE SUITE 500 NEW YORK NY 10151

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Inventor Name Address # of filed Patents Total Citations
Gondi, Vijaya Bhasker Burlington, US 7 3
Reid, John Gregory Groton, US 27 261

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