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Class Information
Number: 503/221
Name: Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor > Having a colorless color-former, developer therefor, or method of use > Identified color-former > Furanone moiety-containing > Fluoran or derivative
Description:










Sub-classes under this class:

Class Number Class Name Patents
503/222 Molecule having plural fluorans or more than three rings fused together 20


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8709974 Thermosensitive recording medium Apr. 29, 2014
8603943 Thermosensitive recording material Dec. 10, 2013
8551911 Recording material using phenolic compound Oct. 8, 2013
8198212 Heat-sensitive recording material Jun. 12, 2012
8143069 Fluorescent probe and method of measuring hypochlorite ion Mar. 27, 2012
7968166 Optical recording system Jun. 28, 2011
7829497 Thermal imaging members and methods Nov. 9, 2010
7807607 Color-forming compounds and use thereof in imaging members and methods Oct. 5, 2010
7704667 Dyes and use thereof in imaging members and methods Apr. 27, 2010
7569515 Erasable image forming material Aug. 4, 2009
7566682 1,2-bis(3-methylphenoxy)ethane composition and thermal recording media made by using the same Jul. 28, 2009
7557065 Method for producing material containing sensitizer dispersed therein for thermal recording article and a thermal recording article Jul. 7, 2009
7354885 Erasable image forming material Apr. 8, 2008
7329630 Stabilizers and anti-fade agents for use in infrared sensitive leuco dye compositions Feb. 12, 2008
7276465 Erasable image forming material Oct. 2, 2007
7270865 Black leuco dyes for use in CD/DVD labeling Sep. 18, 2007
7192904 Thermal recording material Mar. 20, 2007
7160840 Thermal recording material Jan. 9, 2007
7135431 Thermosensitive recording material Nov. 14, 2006
7098168 Heat-sensitive recording material Aug. 29, 2006
7078365 Thermosensitive recording material Jul. 18, 2006
7071144 Thermal recording material Jul. 4, 2006
7060654 Imaging media and materials used therein Jun. 13, 2006
7008759 Dyes and use thereof in imaging members and methods Mar. 7, 2006
6984608 Method of manufacturing heat sensitive recording material and heat sensitive recording material Jan. 10, 2006
6972272 Heat-sensitive recording material Dec. 6, 2005
6890881 Thermal recording materials May. 10, 2005
6878670 Heat-sensitive recording material Apr. 12, 2005
6852671 Heat-sensitive recording material Feb. 8, 2005
6784136 Heat-sensitive recording material Aug. 31, 2004
6693061 Light-permeable thermosensitive recording material Feb. 17, 2004
6677275 Thermal recording material Jan. 13, 2004
6635602 Preparation process for manufacture and purification of mixtures of fluoran compounds and recording material comprising said mixtures of fluoran compounds Oct. 21, 2003
6593272 Thermosensitive recording composition and thermosensitive recording material using the same Jul. 15, 2003
6566302 Monophase solid solutions comprising a plurality of color former compounds and process for their preparation May. 20, 2003
6559097 Thermally-responsive record material May. 6, 2003
6551961 Thermal recording material Apr. 22, 2003
6417137 Transparent thermosensitive recording material Jul. 9, 2002
6407036 Thermal recording material Jun. 18, 2002
6391440 Recording medium and image formation and print employing the medium May. 21, 2002
6348432 Heat sensitive coating, recording material and methods of manufacture Feb. 19, 2002
6310002 Record material Oct. 30, 2001
6284706 Thermally sensitive recording medium Sep. 4, 2001
6284707 Thermally sensitive recording medium Sep. 4, 2001
6217643 Color former composition and microcapsules containing the composition Apr. 17, 2001
6127314 Heat-sensitive recording material Oct. 3, 2000
6090748 Reversible thermosensitive recording material and recording method and recording apparatus therefor Jul. 18, 2000
6071853 Crystalline fluoran compound Jun. 6, 2000
6071852 Pressure-sensitive record materials Jun. 6, 2000
5977020 Thermosensitive reversible recording material Nov. 2, 1999

1 2 3 4 5 6










 
 
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