Abstract: An image receiving sheet for sublimation-type thermal image recording includes substrate; and a dye receiving layer which is formed on the substrate directly or through an intermediate layer, the dye receiving layer including a dyeable cured resin and having a gel percentage of 70 wt. % or more. A sublimation-type thermal image transfer recording method for recording images by use of this image receiving sheet and a sublimation-type thermal image transfer recording medium is disclosed.

Abstract: A thermal transfer printing receiver sheet which comprises a substrate having a dye-receiving surface on one side and a backcoat on the other side wherein the backcoat comprises a sulphonated polyester.

Abstract: A heat-sensitive recording material comprising a substantially transparent support and a heat-sensitive recording layer formed on one side thereof, wherein the thermal recording energy required for increasing the transmission density of recorded areas as measured with a Macbeth transmission densitometer TD904 (visual filter) to a value higher by 0.1 than the transmission density of non-recorded areas is from 10 mJ/mm.sup.2 to 40 mJ/mm.sup.2, and the energy required for obtaining a transmission density of 2.5 in recorded areas as measured with a Macbeth transmission densitometer TD904 (visual filter) is from 80 mJ/mm.sup.2 to 130 mJ/mm.sup.2. The recording material provides a highly precise gradated image using a conventional thermal head.

Abstract: A film for producing a dye diffusion transfer image comprising diffusible dyes physically located in pores of a porous film having a Gurley value between 20 and 400 seconds per 50 cubic centimeters of air, said porous film containing no binder.

Abstract: A thermal transfer dye donor element containing at least one substrate coated with a layer containing binder and at least one .beta.-cyano-.beta.-trifluoromethanesulfonyl-p-N,N-dialkylaminostyrene yellow dye. Also disclosed is a process for the imagewise transfer of the yellow dye to a receiving element.

Abstract: A thermosensitive recording medium comprising a thermosensitive recording layer containing an electron-donating color forming substance, an electron-accepting substance, and a color developability-improving agent is disclosed, said color developability-improving agent being a solid solution composed of two or more compounds containing at least one color developability-improving compound and having a single intrinsic melting point of not less than room temperature, preferably 60.degree. C. or higher. The recording medium exhibits well-balanced performance among color developing sensitivity, static color developability, image stability, and stability before recording.

Abstract: A thermal transfer sheet comprising a substrate having a coating comprising a dye of Formula (1): ##STR1## wherein: A is the residue of a diazotisable aromatic or heterocyclic amine;R.sup.1 is an optionally substituted branched chain alkyl group;R.sup.

Abstract: An image receiver material for thermal dye transfer comprises a polyolefin-coated base paper and a dye receiving layer applied to and adhering to the front face side of the coated base paper. The dye receiving layer comprises a vinyl chloride/vinyl acetate copolymer with a plasticizer contained in the vinyl chloride/vinyl acetate copolymer and a vinyl chloride copolymer free from plasticizer.

Abstract: A heat-sensitive recording material which is highly transparent and resistant to sticking. The recording material comprises a support, having thereon in the following order, a heat-sensitive recording layer and a protective layer comprising a pigment, a binder and a wax. The wax has a melting point of from 40.degree. C. to 100.degree. C. and said wax comprises wax particles having a 50% volume-average particle diameter of not more than 0.7 .mu.m. Furthermore, the protective layer contains the pigment in an amount of not more than 100 parts per 100 parts by weight of binder.

Abstract: A thermal transfer sheet wherein a clear image having a sufficient density is formed in a thermal transfer process using a sublimable dye and wherein the formed image exhibits excellent fastnesses, particularly excellent light fastness.The thermal transfer sheet includes a base sheet and a dye-containing layer formed on one surface of the base sheet wherein a dye contained in the dye-containing layer includes a mixture of two or more specific dyes.

Abstract: A pressure-sensitive and heat-sensitive recording material contains color-forming agents of the formula ##STR1## wherein R.sub.1 denotes hydrogen or a non-ionic radical which is free from amino groups,R.sub.2 denotes hydroxyl, alkylamino, dialkylamino, acylamino, aralkylamino, arylamino, a saturated heterocyclic radical, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy or a direct bond to R.sub.4,R.sub.3 denotes hydroxyl, alkoxy, aralkoxy, alkenyloxy, cycloalkoxy, aryloxy, alkylthio, arylthio or a radical of the formula ##STR2## wherein R.sub.5 and R.sub.6 independently of one another denote hydrogen, alkyl, aralkyl, cyloalkyl or aryl or, together with the nitrogen atom, form a ring, or R.sub.5 forms a ring with the ring B in the o-position relative to the nitrogen atom, andR.sub.4 denotes an aryl radical which is free from amino groups or a heterocyclic radical.