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Class Information
Number: 503/224
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 > Polyphenylmethane moiety-containing
Description: Subject matter in which the color-former molecule has a single acyclic carbon atom between at least two benzene rings.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7381684 |
Method for using a rewritable thermal label |
Jun. 3, 2008 |
| 7329630 |
Stabilizers and anti-fade agents for use in infrared sensitive leuco dye compositions |
Feb. 12, 2008 |
| 6956010 |
Rewritable thermal label of a non-contact type and method for using the label |
Oct. 18, 2005 |
| 6432876 |
Image-recording medium containing self-developing leuco dye |
Aug. 13, 2002 |
| 6348432 |
Heat sensitive coating, recording material and methods of manufacture |
Feb. 19, 2002 |
| 6093678 |
Spontaneously color changing type thermal sensitive recording medium |
Jul. 25, 2000 |
| 5858583 |
Thermally imageable monochrome digital proofing product with high contrast and fast photospeed |
Jan. 12, 1999 |
| 5750463 |
Thermographic recording films |
May. 12, 1998 |
| 5750464 |
Thermographic recording |
May. 12, 1998 |
| 5552365 |
Pressure-sensitive recording material which comprises natural oils and/or derivatives thereof |
Sep. 3, 1996 |
| 5543382 |
Heat-sensitive recording paper |
Aug. 6, 1996 |
| 5489566 |
Thermographic recording films |
Feb. 6, 1996 |
| 5480855 |
Thermographic recording film including improved washcoat |
Jan. 2, 1996 |
| 5478793 |
Pressure sensitive recording materials |
Dec. 26, 1995 |
| 5476829 |
Pressure-sensitive copying material |
Dec. 19, 1995 |
| 5411929 |
Thermally-processable image recording materials including substituted purine compounds |
May. 2, 1995 |
| 5364830 |
Record material using vinyl carbinol color formers |
Nov. 15, 1994 |
| 5278127 |
Transparent thermographic recording films |
Jan. 11, 1994 |
| 5264409 |
Pressure-sensitive copying material |
Nov. 23, 1993 |
| 5198406 |
Transparent thermographic recording films |
Mar. 30, 1993 |
| 5196297 |
Recording material and process of using |
Mar. 23, 1993 |
| 5190909 |
Record material utilizing a vinyl carbinol or derivative thereof as a chromogenic compound |
Mar. 2, 1993 |
| 5155087 |
Recording material |
Oct. 13, 1992 |
| 5153169 |
Imaging media containing hindered amine light stabilizers or nitrones |
Oct. 6, 1992 |
| 5094688 |
Triarylmethane color-forming agents |
Mar. 10, 1992 |
| 5070066 |
Pressure sensitive reproducing material |
Dec. 3, 1991 |
| 5057154 |
Leuco dyes and recording material employing the same |
Oct. 15, 1991 |
| 4981833 |
Recording material using thermodecoloring dye |
Jan. 1, 1991 |
| 4960901 |
Thermal imaging method |
Oct. 2, 1990 |
| 4939117 |
Leuco dyes and recording material employing the same |
Jul. 3, 1990 |
| 4923641 |
Highly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materials |
May. 8, 1990 |
| 4894358 |
Thermal imaging with ylide dyes |
Jan. 16, 1990 |
| 4870050 |
Novel compounds, processes and marking systems |
Sep. 26, 1989 |
| 4859650 |
Pressure-sensitive recording material |
Aug. 22, 1989 |
| 4855282 |
Recording material and method for producing the same |
Aug. 8, 1989 |
| 4839335 |
Heat sensitive recording element |
Jun. 13, 1989 |
| 4818742 |
Heat sensitive recording element |
Apr. 4, 1989 |
| 4814320 |
Heat-sensitive recording material |
Mar. 21, 1989 |
| 4803148 |
Light-sensitive material containing silver halide, reducing agent and polymerizable compound |
Feb. 7, 1989 |
| 4748146 |
Process for encapsulating dissolved reactants of color reaction systems, the capsules obtained as a result thereof and their use in non-carbon papers |
May. 31, 1988 |
| 4746644 |
Recording material |
May. 24, 1988 |
| 4745046 |
Thermal imaging method |
May. 17, 1988 |
| 4742043 |
Heat-sensitive recording material |
May. 3, 1988 |
| 4737587 |
Colorless carbazole dyes for recording materials |
Apr. 12, 1988 |
| 4720301 |
Reversible heat sensitive recording composition |
Jan. 19, 1988 |
| 4720450 |
Thermal imaging method |
Jan. 19, 1988 |
| 4713364 |
Heat-sensitive recording material |
Dec. 15, 1987 |
| 4636820 |
Compositions, process and systems |
Jan. 13, 1987 |
| 4600930 |
Recording material which reacts under the influence of heat, its preparation and the use of acid-modified polymers as acceptors in this recording material |
Jul. 15, 1986 |
| 4580153 |
Record material |
Apr. 1, 1986 |
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