| |
 |
|
Class Information
Number: 503/223
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 > Azole moiety-containing
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6900158 |
High-molecular weight gel and display device |
May. 31, 2005 |
| 6432876 |
Image-recording medium containing self-developing leuco dye |
Aug. 13, 2002 |
| 5962691 |
Methine and azamethine dyes based on trifluoromethylpyridones |
Oct. 5, 1999 |
| 5858583 |
Thermally imageable monochrome digital proofing product with high contrast and fast photospeed |
Jan. 12, 1999 |
| 5739078 |
Fluoran compounds, intermediates and color forming recording materials |
Apr. 14, 1998 |
| 5552365 |
Pressure-sensitive recording material which comprises natural oils and/or derivatives thereof |
Sep. 3, 1996 |
| 5478793 |
Pressure sensitive recording materials |
Dec. 26, 1995 |
| 5476829 |
Pressure-sensitive copying material |
Dec. 19, 1995 |
| 5446011 |
Thermosensitive recording material |
Aug. 29, 1995 |
| 5364830 |
Record material using vinyl carbinol color formers |
Nov. 15, 1994 |
| 5329006 |
Chromogenic lactam compounds, their preparation and their use |
Jul. 12, 1994 |
| 5316852 |
Coated material and the use thereof |
May. 31, 1994 |
| 5270281 |
Heat-sensitive recording materials and phenol compounds |
Dec. 14, 1993 |
| 5244860 |
Pressure-sensitive recording and transfer material |
Sep. 14, 1993 |
| 5240897 |
Heat-sensitive recording material |
Aug. 31, 1993 |
| 5190909 |
Record material utilizing a vinyl carbinol or derivative thereof as a chromogenic compound |
Mar. 2, 1993 |
| 5157012 |
Di[bis-(indolyl)ethylenyl]tetrahalophthalide record materials |
Oct. 20, 1992 |
| 5155087 |
Recording material |
Oct. 13, 1992 |
| 5143891 |
Divinyl carbinol or carbinol derivative chromogenic compounds and their use in record material |
Sep. 1, 1992 |
| 5094688 |
Triarylmethane color-forming agents |
Mar. 10, 1992 |
| 5024988 |
Pressure-or heat-sensitive recording material |
Jun. 18, 1991 |
| 5024987 |
Recording material |
Jun. 18, 1991 |
| 5013707 |
Pressure- or heat-sensitive recording material |
May. 7, 1991 |
| 5011811 |
In situ dye generation for thermal transfer printing |
Apr. 30, 1991 |
| 5001105 |
Bis-(indoly)ethylenes record systems utilizing such compounds |
Mar. 19, 1991 |
| 4997805 |
Heat sensitive recording material containing chromogenic dicyanomethylenepyrazolinones |
Mar. 5, 1991 |
| 4981836 |
Recording material |
Jan. 1, 1991 |
| 4981833 |
Recording material using thermodecoloring dye |
Jan. 1, 1991 |
| 4959291 |
Light-sensitive material containing silver halide, reducing agent, polymerizable compound and a diazaphthalide dye |
Sep. 25, 1990 |
| 4923641 |
Highly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materials |
May. 8, 1990 |
| 4918045 |
Recording material |
Apr. 17, 1990 |
| 4904637 |
Recording material comprising chromogenic 3,1-benzoxazines |
Feb. 27, 1990 |
| 4880762 |
Coloring phthalide compounds, method of producing the compounds and recording materials using any of the compounds as coloring component |
Nov. 14, 1989 |
| 4870050 |
Novel compounds, processes and marking systems |
Sep. 26, 1989 |
| 4861748 |
Recording material |
Aug. 29, 1989 |
| 4855282 |
Recording material and method for producing the same |
Aug. 8, 1989 |
| 4853363 |
Heat-sensitive recording material |
Aug. 1, 1989 |
| 4853361 |
Heat- and light-sensitive recording material |
Aug. 1, 1989 |
| 4853362 |
Heat-sensitive recording sheet |
Aug. 1, 1989 |
| 4849397 |
Pressure-sensitive recording medium |
Jul. 18, 1989 |
| 4845072 |
Thermosensitive recording material |
Jul. 4, 1989 |
| 4839332 |
Heat-sensitive recording material |
Jun. 13, 1989 |
| 4839335 |
Heat sensitive recording element |
Jun. 13, 1989 |
| 4835291 |
Divinyl compounds and chromogenic recording-material prepared by using thereof |
May. 30, 1989 |
| 4826806 |
Fluoran compounds and color forming recording materials using same |
May. 2, 1989 |
| 4818742 |
Heat sensitive recording element |
Apr. 4, 1989 |
| 4814320 |
Heat-sensitive recording material |
Mar. 21, 1989 |
| 4812440 |
Recording material containing leuco dye |
Mar. 14, 1989 |
| 4808567 |
Divinyl compounds and chromogenic recording-material prepared by using thereof |
Feb. 28, 1989 |
| 4808566 |
Recording material |
Feb. 28, 1989 |
|
|
|
