Stock material or miscellaneous articles – Structurally defined web or sheet – Weight per unit area specified
Patent
1983-11-16
1985-04-23
Louie, Won H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Weight per unit area specified
428341, 428913, 428914, 106 21, 430338, 430340, 346217, B05D 306
Patent
active
045130523
ABSTRACT:
A heat-sensitive recording material comprising a support and a heat-sensitive color forming layer formed on said support that comprises a colorless or pale-color leuco dye and an acidic material capable of making said leuco dye develop color when heated, wherein said heat-sensitive color forming layer further comprises at least one of the compounds which are expressed by the following general formulas (I), (II) or (III): ##STR1## (wherein X.sup.1 represents a hydrogen atom or a halogen atom; Y.sup.1 represents an alkyl group, an alkoxy group, a halogen atom, a benzyl group, a hydroxyl group, a carboxyl group or an allyl group; m and n are each an integer ranging from 1 to 3, respectively; and X.sup.1 and Y.sup.1 may be either identical or different from each other when m or n is an integer of 2 or more) ##STR2## (wherein X.sup.2 represents a hydrogen atom or a halogen atom; Y.sup.2 represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a benzyl group, a hydroxyl group, a carboxyl group or an allyl group; m and n are each an integer ranging from 1 to 3, respectively; and X.sup.2 and Y.sup.2 may be either identical or different from each other when m or n is an integer of 2 or more) ##STR3## [wherein X.sup.2, Y.sup.2, n and m are respectively the same as in the foregoing general formula (II).]
REFERENCES:
patent: 4091122 (1978-05-01), Davis et al.
patent: 4333984 (1982-06-01), Igarashi et al.
Kawamura Eiichi
Kubo Keishi
Louie Won H.
Ricoh Co. Ltd.
LandOfFree
Heat-sensitive recording material does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Heat-sensitive recording material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat-sensitive recording material will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-37008