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Class Information
Number: 503/225
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 electron acceptor (developer)
Description: Subject matter in which a claim names a material which has acid characteristics sufficient to bring out the color of a color-former contacted therewith.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7560415 |
Reversible multicolor recording medium and recording method using it |
Jul. 14, 2009 |
| 7169737 |
Phenolic compound and recording material using the same |
Jan. 30, 2007 |
| 7071145 |
Thermosensitive recording material, and synthesis method of oligomer composition for the recording material |
Jul. 4, 2006 |
| 6984608 |
Method of manufacturing heat sensitive recording material and heat sensitive recording material |
Jan. 10, 2006 |
| 6960553 |
Heat-sensitive recording material |
Nov. 1, 2005 |
| 6858565 |
Thermosensitive recording material and novel color developer compounds |
Feb. 22, 2005 |
| 6716504 |
Decorative sticker sheet |
Apr. 6, 2004 |
| 6503868 |
Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material |
Jan. 7, 2003 |
| 6486094 |
Bis (arylsulfonylaminocarbonylaminobenzoate) compounds and thermosensitive recording materials containing same |
Nov. 26, 2002 |
| 6417137 |
Transparent thermosensitive recording material |
Jul. 9, 2002 |
| 6403528 |
Developer for use with carbonless copy paper and photo imaging system |
Jun. 11, 2002 |
| 6395680 |
Composition of aromatic carboxylic acid compounds and thermosensitive recording material using the same |
May. 28, 2002 |
| 6387584 |
Photoimaging material |
May. 14, 2002 |
| 6310002 |
Record material |
Oct. 30, 2001 |
| RE37034 |
Reversible thermosensitive recording material |
Jan. 30, 2001 |
| 6054246 |
Heat and radiation-sensitive imaging medium, and processes for use thereof |
Apr. 25, 2000 |
| 6037308 |
Diphenyl sulfone crosslinking type compounds and recording materials using them |
Mar. 14, 2000 |
| 6028030 |
Thermal sensitive recording medium |
Feb. 22, 2000 |
| 6015771 |
Thermally-responsive record material |
Jan. 18, 2000 |
| 6001518 |
Reversible heat-sensitive recording material with high color development and image stabilization capabilities |
Dec. 14, 1999 |
| 5977020 |
Thermosensitive reversible recording material |
Nov. 2, 1999 |
| 5955225 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same |
Sep. 21, 1999 |
| 5942377 |
Reversible thermosensitive composition and reversible thermosensitive recording medium using same |
Aug. 24, 1999 |
| 5932515 |
Recording paper incorporating hollow spherical plastic pigment |
Aug. 3, 1999 |
| 5928988 |
Thermosensitive reversible recording material |
Jul. 27, 1999 |
| 5922641 |
CF sheet for carbonless copy paper and weather resistant tags incorporating same |
Jul. 13, 1999 |
| 5891823 |
Reversible thermosensitive recording medium |
Apr. 6, 1999 |
| 5880064 |
Carbonless pressure-sensitive copying paper |
Mar. 9, 1999 |
| 5880063 |
Method of improving coverage of chromogenic reaction product |
Mar. 9, 1999 |
| 5869420 |
Rewritable thermal recording medium |
Feb. 9, 1999 |
| 5866505 |
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using the same |
Feb. 2, 1999 |
| 5811368 |
Thermal sensitive recording medium |
Sep. 22, 1998 |
| 5811369 |
Thermal recording medium |
Sep. 22, 1998 |
| 5773170 |
UV-absorbing media bleachable by IR-radiation |
Jun. 30, 1998 |
| 5753586 |
Thermal sensitive recording sheet |
May. 19, 1998 |
| 5733843 |
Thermal sensitive recording sheet |
Mar. 31, 1998 |
| 5728646 |
Heat-sensitive recording material |
Mar. 17, 1998 |
| 5726120 |
CF sheet for carbonless copy paper and weather resistant tags incorporating same |
Mar. 10, 1998 |
| 5709738 |
Coating composition for ink jet printing |
Jan. 20, 1998 |
| 5707778 |
Optical recording medium |
Jan. 13, 1998 |
| 5703005 |
Thermosensitive coloring composition and reversible thermosensitive recording medium using same |
Dec. 30, 1997 |
| 5688592 |
Thermochromic laminate comprising light intercepting pigment and light stabilizer |
Nov. 18, 1997 |
| 5665675 |
Aminobenzenesulfonamide derivative and recording medium using the same |
Sep. 9, 1997 |
| 5661100 |
Urea (thiourea) derivative and thermal recording sheet using the same |
Aug. 26, 1997 |
| 5656569 |
Thermal recording material |
Aug. 12, 1997 |
| 5637552 |
Process for producing neutral to alkali color developer pigments |
Jun. 10, 1997 |
| 5624882 |
Color developer compositions for carbonless paper copying systems |
Apr. 29, 1997 |
| 5614462 |
Color developer compositions for carbonless paper copying systems |
Mar. 25, 1997 |
| 5612280 |
Thermosensitive recording material |
Mar. 18, 1997 |
| 5612278 |
Reversible image recording method using reversible thermosensitive recording material |
Mar. 18, 1997 |
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