ClassID:

92973

C07C251/22 - CPC Classification

Classification description:

Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups being part of rings other than six-membered aromatic rings Quinone imines

Recent Application in this class:
#1
20160305969
2016-10-20

Mass spectrometric identification and/or quantitation of catecholamines using aminopyrazoles

#2
20160102048
2016-04-14

N-(4-(bis(4-(dimethylamino)phenyl)methylene)-8-(dimethylamino)

#3
20130193426
2013-08-01

Use of zwitterionic molecules for forming a hole or electron transport layer

#4
20130078514
2013-03-28

Condensed polycyclic aromatic compound, production process of same, and positive electrode active material for lithium ion secondary battery containing same

#5
20110112282
2011-05-12

IDO INHIBITORS AND THERAPEUTIC USES THEREOF

#6
20110041263
2011-02-24

Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained from 2-alkylresorcinols, and hair dyeing process using these dyes or precursors

#7
20110041261
2011-02-24

Azomethine direct dyes or reduced precursors of these dyes obtained from 2-chloro-3-amino-6-methylphenol, and hair dyeing method starting from these dyes and precursors

#8
20100249461
2010-09-30

TRIARYLAMINE DERIVATIVE

#9
20090269688
2009-10-29

Charge-transporting varnish

#10
20090097026
2009-04-16

COLOR MEASUREMENTS OF RECONSTITUTED TIGECYCLINE AND DEGRADANT THEREOF

#11
20080255388
2008-10-16

TRIARYLAMINE DERIVATIVE

#12
20080255387
2008-10-16

Triarylamine derivative

#13
20080242542
2008-10-02

Indaniline dye, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, and color filter

#14
20070117893
2007-05-24

Radiation absorbing compositions, methods and articles incorporating such compositions

#15
20070113967
2007-05-24

Radiation absorbing compositions, methods and articles made by applying such compositions

#16
20070055071
2007-03-08

Method of producing near-infrared absorbing dye compound

#17
20050118381
2005-06-02

Diimonium salt mixtures, aminium salts mixtures and use thereof