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Class Information
Number: 106/31.16
Name: Compositions: coating or plastic > Coating or plastic compositions > Marking > Inks > Invisible > Chromogenic (i.e., color formation by reaction of color former with color developer)
Description: Compositions which develop a color by contacting a color former compound (electron donor) with a color developer compound (electron acceptor) in a manner to cause reaction.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7608139 |
Erasable image forming material |
Oct. 27, 2009 |
| 7569515 |
Erasable image forming material |
Aug. 4, 2009 |
| 7557065 |
Method for producing material containing sensitizer dispersed therein for thermal recording article and a thermal recording article |
Jul. 7, 2009 |
| 7550101 |
Two-particle electrophoretic ink for microencapsulated flexible electronic display |
Jun. 23, 2009 |
| 7494537 |
Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same |
Feb. 24, 2009 |
| 7455400 |
Aqueous fluorescent ink, image recording method and recorded image |
Nov. 25, 2008 |
| 7329630 |
Stabilizers and anti-fade agents for use in infrared sensitive leuco dye compositions |
Feb. 12, 2008 |
| 7214145 |
Photochromic golf ball |
May. 8, 2007 |
| 7147801 |
Ink jet ink composition and method for security marking |
Dec. 12, 2006 |
| 7118207 |
Ink-jet color recording ink, color ink feeding device using the ink, and ink-jet color recroding apparatus and method using the ink |
Oct. 10, 2006 |
| 7060654 |
Imaging media and materials used therein |
Jun. 13, 2006 |
| 7018953 |
Compositions, systems, and methods for imaging onto a substrate |
Mar. 28, 2006 |
| 6984418 |
Water-metachromatic laminate, and process for its production |
Jan. 10, 2006 |
| 6893488 |
Fingerprint compound and method |
May. 17, 2005 |
| 6860927 |
Polymer beads |
Mar. 1, 2005 |
| 6830707 |
Temperature indicating material |
Dec. 14, 2004 |
| 6770687 |
Water-based dual security ink |
Aug. 3, 2004 |
| 6721083 |
Electrophoretic displays using nanoparticles |
Apr. 13, 2004 |
| 6669765 |
Thermochromic dry offset ink, and printed article produced using the same |
Dec. 30, 2003 |
| 6620227 |
UV curable CF ink |
Sep. 16, 2003 |
| 6566302 |
Monophase solid solutions comprising a plurality of color former compounds and process for their preparation |
May. 20, 2003 |
| 6517618 |
Photochromic electrophoretic ink display |
Feb. 11, 2003 |
| 6500245 |
Thermoresponsive coloring formulation for use on reimageable image carrier |
Dec. 31, 2002 |
| 6488750 |
Inkless fingerprint compound and method |
Dec. 3, 2002 |
| 6489375 |
Low VOC cationic curable lithographic printing inks |
Dec. 3, 2002 |
| 6261359 |
Fluorescent pigments |
Jul. 17, 2001 |
| 6248692 |
Erasable image forming material |
Jun. 19, 2001 |
| 6203603 |
Erasable image forming material |
Mar. 20, 2001 |
| 6160037 |
Reactive extrusion of latent pigments |
Dec. 12, 2000 |
| 6120588 |
Electronically addressable microencapsulated ink and display thereof |
Sep. 19, 2000 |
| 6042641 |
CB printing ink |
Mar. 28, 2000 |
| 5932515 |
Recording paper incorporating hollow spherical plastic pigment |
Aug. 3, 1999 |
| 5888283 |
High solids direct thermal ink composition and method of making and using same |
Mar. 30, 1999 |
| 5879438 |
Method for improving light-fastness of reversible thermochromic compositions at the time of color extinguishment |
Mar. 9, 1999 |
| 5873932 |
Method for improving light-fastness of reversible thermochromic compositions at the time of color development |
Feb. 23, 1999 |
| 5814579 |
Multicolor printing system |
Sep. 29, 1998 |
| 5720801 |
Water resistant security ink composition |
Feb. 24, 1998 |
| 5637552 |
Process for producing neutral to alkali color developer pigments |
Jun. 10, 1997 |
| 5558699 |
Thermochromic color-memory composition |
Sep. 24, 1996 |
| 5547500 |
Reversible thermal coloring compositions, and recording media and methods using the same |
Aug. 20, 1996 |
| 5521138 |
Reversible thermosensitive coloring composition, and recording medium using the same |
May. 28, 1996 |
| 5503665 |
Latent image compositions |
Apr. 2, 1996 |
| 5489332 |
Carbonless paper solvent comprising diisopropylmethylnaphthalene and products utilizing same |
Feb. 6, 1996 |
| 5478380 |
Chromogenic composition for use in pressure-sensitive record material |
Dec. 26, 1995 |
| 5458974 |
Microencapsulated composition containing solvent including triisopropyylbiphenyl |
Oct. 17, 1995 |
| 5401577 |
Melamine formaldehyde microencapsulation in aqueous solutions containing high concentrations of organic solvent |
Mar. 28, 1995 |
| 5383959 |
Reversible inks |
Jan. 24, 1995 |
| 5310627 |
Changing the color of yellow resist images by application of pH-sensitive dyes |
May. 10, 1994 |
| 5179065 |
Recording material with a display composition including a coloring pigment |
Jan. 12, 1993 |
| 5160371 |
Display composition, coloring pigment, and recording material |
Nov. 3, 1992 |
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