Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor inventions 11/07

20070270308 - Tape with thermochromic member: A tape with a thermochromic member includes: a tape body; a figure, provided on the tape body; and a thermochromic member, adapted to change between a colored state and a transparent state according to changes of temperature and attached to the tape body so as to cover the figure. The... Agent: Michael S. Leonard Everest Intellectual Property Law Group

20070270309 - Heat-sensitive recording material: A heat-sensitive recording material has a support, and a heat-sensitive recording layer including at least a leuco dye, a developer and a binder. The heat-sensitive recording layer contains secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of primary particles of amorphous silica with... Agent: Kubovcik & Kubovcik

20070270310 - Methods of marking and related structures and compositions: In one aspect, a method includes directing electromagnetic radiation to a structure, the structure including a substrate, a first layer, and a marking composition between the substrate and the first layer. At least a portion of the electromagnetic radiation is transmitted through the first layer, and the structure is marked.... Agent: Fish & Richardson PC

20070265163 - Thermally sensitive recording medium: A thermally sensitive recording medium comprising, single or multi layers, wherein, at least one layer on a substrate is a thermally sensitive recording layer that contains a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent, further, at least one layer on the substrate... Agent: Flynn Thiel Boutell & Tanis, P.C.

20070259782 - Reversible thermosensitive coloring material and reversible thermosensitive recording material using the reversible thermosensitive coloring material: A reversible thermosensitive coloring material which can reversibly achieve a relatively colored state and a relatively discolored state depending on a temperature to which the coloring material is heated or a cooling speed at which the coloring material is cooled after heated. The coloring material including an electron donating coloring... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.