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Class Information
Number: 503/217
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 organic electron acceptor (developer) other than phenolic resin > And identified color-former
Description: Subject matter in which a claim names a substance which, under the influence of contact with the developer, changes from colorless or otherwise ineffective for to a colored form or other state suitable for recording information.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7425523 |
Thermal transfer recording material and thermal transfer recording method |
Sep. 16, 2008 |
| 7381684 |
Method for using a rewritable thermal label |
Jun. 3, 2008 |
| 7354885 |
Erasable image forming material |
Apr. 8, 2008 |
| 7314705 |
Compositions, systems, and methods for imaging |
Jan. 1, 2008 |
| 7160840 |
Thermal recording material |
Jan. 9, 2007 |
| 7125824 |
Linerless labels |
Oct. 24, 2006 |
| 7078365 |
Thermosensitive recording material |
Jul. 18, 2006 |
| 7071144 |
Thermal recording material |
Jul. 4, 2006 |
| 7011922 |
Thermal recording material |
Mar. 14, 2006 |
| 6984608 |
Method of manufacturing heat sensitive recording material and heat sensitive recording material |
Jan. 10, 2006 |
| 6919297 |
Heat-sensitive recording material |
Jul. 19, 2005 |
| 6908505 |
Thermochromic compositions of color formers and lewis acids |
Jun. 21, 2005 |
| 6878670 |
Heat-sensitive recording material |
Apr. 12, 2005 |
| 6835692 |
Heat-sensitive recording material containing oxonol dye |
Dec. 28, 2004 |
| 6815679 |
Reversible thermal recording material and method of recording image on reversible thermal recording material |
Nov. 9, 2004 |
| 6787502 |
Guanidine compound and heat sensitive recording material |
Sep. 7, 2004 |
| 6784136 |
Heat-sensitive recording material |
Aug. 31, 2004 |
| 6767862 |
Thermal recording material |
Jul. 27, 2004 |
| 6746985 |
Heat-sensitive recording material |
Jun. 8, 2004 |
| 6743750 |
Heat-sensitive recording material |
Jun. 1, 2004 |
| 6693061 |
Light-permeable thermosensitive recording material |
Feb. 17, 2004 |
| 6677275 |
Thermal recording material |
Jan. 13, 2004 |
| 6645909 |
Process for azo coupling reaction using diazonium salt and coupler having releasing group, and recording material containing the coupler |
Nov. 11, 2003 |
| 6613716 |
Thermal print paper and process |
Sep. 2, 2003 |
| 6551961 |
Thermal recording material |
Apr. 22, 2003 |
| 6407034 |
Thermal chromogenic plastic film and method of manufacture therefor |
Jun. 18, 2002 |
| 6348432 |
Heat sensitive coating, recording material and methods of manufacture |
Feb. 19, 2002 |
| 6284706 |
Thermally sensitive recording medium |
Sep. 4, 2001 |
| 6284707 |
Thermally sensitive recording medium |
Sep. 4, 2001 |
| 6258747 |
Thermally sensitive recording medium |
Jul. 10, 2001 |
| 6214766 |
Security feature for paper products |
Apr. 10, 2001 |
| 6202926 |
Magnetic recording medium and method of making the same |
Mar. 20, 2001 |
| 6197725 |
Heat-sensitive recording material |
Mar. 6, 2001 |
| RE37034 |
Reversible thermosensitive recording material |
Jan. 30, 2001 |
| 6124377 |
Marking system |
Sep. 26, 2000 |
| 6093678 |
Spontaneously color changing type thermal sensitive recording medium |
Jul. 25, 2000 |
| 6090748 |
Reversible thermosensitive recording material and recording method and recording apparatus therefor |
Jul. 18, 2000 |
| 5977020 |
Thermosensitive reversible recording material |
Nov. 2, 1999 |
| 5955398 |
Thermally-responsive record material |
Sep. 21, 1999 |
| 5955225 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same |
Sep. 21, 1999 |
| 5858583 |
Thermally imageable monochrome digital proofing product with high contrast and fast photospeed |
Jan. 12, 1999 |
| 5858913 |
Receiving element for use in thermal transfer printing |
Jan. 12, 1999 |
| 5858914 |
Thermochromic coloring color-memory footwear |
Jan. 12, 1999 |
| 5849651 |
Reversible thermal recording medium |
Dec. 15, 1998 |
| 5814579 |
Multicolor printing system |
Sep. 29, 1998 |
| 5780387 |
Reversible thermosensitive recording medium |
Jul. 14, 1998 |
| 5753588 |
Heat sensitive recording material |
May. 19, 1998 |
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