The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2020
Filed:
Feb. 22, 2015
Applicant:
Optmed, Inc., New York, NY (US);
Inventors:
Vijaya Bhasker Gondi, Burlington, MA (US);
John Gregory Reid, Groton, MA (US);
Assignee:
OptMed, Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/30 (2006.01); C07C 67/317 (2006.01); C07C 67/343 (2006.01);
U.S. Cl.
CPC ...
C07C 253/30 (2013.01); C07C 67/317 (2013.01); C07C 67/343 (2013.01);
Abstract
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.