Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1990-07-31
1991-12-24
Welsh, David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430115, G03G 908
Patent
active
050751905
ABSTRACT:
New electrostatographic toners and developers are provided containing new charge-control agents comprising N-substituted pyridinium salts having the ##STR1## wherein R is a straight or branched chain alkyl group having from 1 to 24 carbon atoms, aralkyl in which the alkyl group has 1 to 20 carbon atoms and the aryl group has from 6 to 14 carbon atoms, R.sup.1 is hydrogen or a straight or branched chain alkyl or alkoxy group having from 1 to 24 carbon atoms, aralkyl or alkaryl in which the alkyl group has 1 to 20 carbon atoms and the aryl group has from 6 to 14 carbon atoms, unsubstituted aryl having from 6 to 14 carbon atoms or aryl having from 6 to 14 carbon atoms substituted with one or more nitro, alkoxy or halo groups and X is hydrogen, chlorine, bromine, fluorine or iodine.
REFERENCES:
patent: Re32883 (1989-03-01), Lu
patent: 4139483 (1979-02-01), Williams et al.
patent: 4298672 (1981-11-01), Lu
patent: 4338390 (1982-07-01), Lu
patent: 4394430 (1983-07-01), Jadwin et al.
patent: 4490455 (1984-12-01), Hoffend et al.
patent: 4684596 (1987-08-01), Bonser et al.
patent: 4789614 (1988-12-01), Bugner et al.
patent: 4803017 (1989-02-01), Bugner et al.
patent: 4806283 (1989-02-01), Bugner et al.
patent: 4806284 (1989-02-01), Bugner et al.
patent: 4812378 (1989-03-01), Bugner et al.
patent: 4812380 (1989-03-01), Bugner et al.
patent: 4812381 (1989-03-01), Bugner et al.
patent: 4834920 (1989-05-01), Bugner et al.
patent: 4834921 (1989-05-01), Bugner et al.
patent: 4840864 (1989-06-01), Bugner et al.
patent: 4851561 (1989-07-01), Bugner et al.
patent: 4954414 (1990-09-01), Adair et al.
Alexandrovich Peter S.
Bermel Alexandra D.
Pierce Zona R.
Wilson John C.
Eastman Kodak Company
Montgomery Willard G.
Welsh David
LandOfFree
Toners and developers containing N-substituted pyridinium salts does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toners and developers containing N-substituted pyridinium salts , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toners and developers containing N-substituted pyridinium salts will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-42756