US 11,905,465 B2
Zwitterionic compounds for non-linear optics, sensors, and spectroscopy
Kaitlyn E. Crawford, Orlando, FL (US); and Gavin S. Mohammad-Pour, Orlando, FL (US)
Assigned to UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC., Orlando, FL (US)
Filed by UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC., Orlando, FL (US)
Filed on May 13, 2022, as Appl. No. 17/744,259.
Claims priority of provisional application 63/188,243, filed on May 13, 2021.
Prior Publication US 2022/0389306 A1, Dec. 8, 2022
Int. Cl. C09K 9/02 (2006.01); C09B 11/20 (2006.01); C08K 5/3432 (2006.01); G02F 1/361 (2006.01)
CPC C09K 9/02 (2013.01) [C08K 5/3432 (2013.01); C09B 11/20 (2013.01); C08K 2201/001 (2013.01); G02F 1/3615 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A zwitterionic compound comprising a bridge moiety, an electron accepter moiety, and an electron donor moiety,
wherein the bridge moiety is covalently bonded to both the electron accepter moiety and to the electron donor moiety,
wherein the bridge moiety comprises one selected from xanthene and thioxanthene,
wherein the accepter moiety comprises a pyridinium moiety, and
wherein the donor moiety comprises a malononitrile moiety.