3 patents
Utility
1,1-disubstituted ethylene process
17 Jan 23
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.
Vijaya Bhasker Gondi, John Gregory Reid
Filed: 23 Mar 20
Utility
Improved 1,1-DISUBSTITUTED Ethylene Process
15 Jul 20
Improved iminium based processes for the production of cyanoacrylates and methylidene malonates wherein the improvement pertains to the presence of acid chlorides and/or acid anhydrides in the reaction mix.
Vijaya Bhasker Gondi, John Gregory Reid
Filed: 22 Mar 20
Utility
1,1-disubstituted ethylene process
23 Mar 20
Improved iminium based processes for the production of cyanoacrylates and methylidene malonates wherein the improvement pertains to the presence of acid chlorides and/or acid anhydrides in the reaction mix.
Vijaya Bhasker Gondi, John Gregory Reid
Filed: 21 Feb 15
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