B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/11
B41M 5/136 (2006.01) B41M 5/132 (2006.01)
Patent
CA 1173647
SPECIFICATION Title of the Invention. DYESTUFF-CONTAINING MICROSCOPIC CAPSULE DISPERSION FOR RECORD MATERIALS Abstract of the Disclosure A dyestuff-containing microscopic capsule dispersion for record materials, which comprises at least one methine dyestuff represented by the general formula (I): Image (I) wherein X means a phenyl, naphthyl, indolyl, .beta.-styryl, pyridyl, pyrimidyl or pyrazinyl group which may optionally be substituted, R1 - R6 are individually an amino, substituted amlno, lower alkyl, cycloalkyl, lower alkoxy or lower haloalkyl group or a halogen or hydrogen atom, R7 and R8 are each a hydrogen or halogen atom or a lower alkoxy group and may be coupled together to form a ring, and said methine dyestuff contains at least one substituted amino group at a position para to the central methine group in the molecule thereof, said methine dyestuff being contained in microscopic capsules; and alkanolamine represented by the general formula (II): Image (II) - 2 - wherein R denotes a lower alkylene, hydroxyalkylene or poly(oxy- alkylene) group, R' adn R" mean individually a hydrogen atom, an alkyl, hydroxyalkyl, aryl, aralkyl, acyl, or .omega.-hydroxyalkyl- polyoxyalkylene group or a lower alkyl ether or an .omega.- hydroxyalkyl-polyoxyalkylene group, and R' and R" may be coupled together to form a ring, and/or a metal ion sequestering agent, said alkanolamine and/or metal ion sequestering agent being contained in said microscopic capsules and/or a liquid medium wherein said microscopic capsules are dispersed.
396372
Akahori Hiroyuki
Asano Makoto
Hasegawa Kiyoharu
Tsujimoto Michihiro
Mitsui Toatsu Chemicals Inc.
Sim & Mcburney
LandOfFree
Dyestuff-containing microscopic capsule dispersion for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dyestuff-containing microscopic capsule dispersion for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dyestuff-containing microscopic capsule dispersion for... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1283336