US 7,465,834 B2
Ionic liquids and process for manufacturing the same
Kumiko Sueto, Gunma (Japan); Miyuki Kasahara, Gunma (Japan); Osamu Omae, Gunma (Japan); and Yuan Gao, Gunma (Japan)
Assigned to Kanto Denka Kogyo Co., Ltd., Tokyo (Japan)
Filed on Dec. 07, 2004, as Appl. No. 11/5,708.
Claims priority of application No. 2003-421985 (JP), filed on Dec. 19, 2003.
Prior Publication US 2005/0136332 A1, Jun. 23, 2005
Int. Cl. C07C 211/01 (2006.01)
U.S. Cl. 564—463  [257/431; 320/166; 429/122] 20 Claims
 
1. An ionic liquid comprising an organic compound represented by the following formula (1) as a cation:

OG Complex Work Unit Drawing
in which R1 to R5 may be the same as or different from each other and each represents an H, a halogen, or a C1 to C10 alkyl group, cycloalkyl group, heterocyclic group, aryl group or alkoxyalkyl group; X and Y may be the same as or different from each other and each represents an N or a P; and Z represents an S or an O.