Dyestuff-containing microscopic capsule suspension for record ma

Details Dyestuff-containing microscopic capsule suspension for record ma Dyestuff-containing microscopic capsule suspension for record ma

1981-11-30

1984-10-30

Michl, Paul R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

8526, 8527, 106 21, 264 43, 346220, 346221, B32B 326

Patent

active

044800029

ABSTRACT:
Dyestuff-containing microscopic capsule suspension for record materials, containing in microscopic capsules a lactone family dyestuff represented by the general formula (I): ##STR1## wherein a, b, c and d are each a carbon atom or either one or two atoms of said a, b, c and d are nitrogen atoms and the remaining atoms are carbon atoms, said a, b, c and d may have one or two substituent groups, adjacent a-b, b-c or c-d bond may form another ring, X and Y represent individually a benzene, naphthalene or aromatic heterocyclic ring which may include one or more substituent groups, and X and Y may be the same or different and may be coupled together to form a ring; and a metal ion sequestering agent in the capsules or a liquid medium in which the capsules are suspended.

REFERENCES:
patent: 3806463 (1974-04-01), Konishi
patent: 3916070 (1975-10-01), Ozutsumi
patent: 3934069 (1976-01-01), Atzrott
patent: 3939095 (1976-02-01), Sliwka
patent: 4055358 (1977-10-01), Garner
patent: 4191690 (1980-03-01), Burri
patent: 4295663 (1981-10-01), Petitpierre
patent: 4302393 (1981-11-01), Garner

Affiliated with

Also associated with

Rating

Dyestuff-containing microscopic capsule suspension for record ma 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 suspension for record ma, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dyestuff-containing microscopic capsule suspension for record ma will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1102260