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Class Information
Number: 503/212
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 > Heavy metal reactant > Metal of atomic number 22-30 > Zinc
Description: Subject matter in which the heavy metal is zinc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371709 |
Thermally developable materials with backside antistatic layer |
May. 13, 2008 |
| 7348296 |
Binders for use in the thermosensitive elements of substantially light-insensitive thermographic recording materials |
Mar. 25, 2008 |
| 7307041 |
Stabilizers for use in substantially light-insensitive thermographic recording materials |
Dec. 11, 2007 |
| 7297658 |
Direct thermographic materials with crosslinked carrier layer |
Nov. 20, 2007 |
| 7294605 |
Thermographic recording materials containing a mesionic, 1,2,4-triazolium-3-thiolate compound |
Nov. 13, 2007 |
| 7282468 |
Direct thermographic materials with catechol borate reducing agents |
Oct. 16, 2007 |
| 7279443 |
Thermographic materials with highly polymerized binder polymer |
Oct. 9, 2007 |
| 7179768 |
Toning agents for use in thermographic recording materials |
Feb. 20, 2007 |
| 7175977 |
Stabilizers for use in thermographic recording materials |
Feb. 13, 2007 |
| 7135432 |
Direct thermographic materials with phenolic reducing agents |
Nov. 14, 2006 |
| 7071143 |
Direct thermographic materials with improved protective layers |
Jul. 4, 2006 |
| 7060655 |
Stabilizers for use in substantially light-insensitive thermographic recording materials |
Jun. 13, 2006 |
| 7045487 |
Toning agents for use in substantially light-insensitive recording materials |
May. 16, 2006 |
| 6958181 |
Protected activators for use in leuco dye compositions |
Oct. 25, 2005 |
| 6890614 |
Metal salt activators for use in leuco dye compositions |
May. 10, 2005 |
| 6774084 |
Thermographic recording material with improved image tone |
Aug. 10, 2004 |
| 6759367 |
Thermographic recording material with improved print archivability without loss in printability |
Jul. 6, 2004 |
| 6693062 |
Thermographic recording material with improved image tone |
Feb. 17, 2004 |
| 6686313 |
Thermographic recording material with improved image tone |
Feb. 3, 2004 |
| 6677274 |
Thermographic recording material with improved image tone |
Jan. 13, 2004 |
| 6664211 |
Thermographic recording material with improved image tone |
Dec. 16, 2003 |
| 6586363 |
Thermographic recording material with improved image tone |
Jul. 1, 2003 |
| 6509296 |
Thermographic imaging elements and processes for their use |
Jan. 21, 2003 |
| 6403527 |
Use of direct thermal transparent imaging materials including an organic silver salt for producing labels |
Jun. 11, 2002 |
| 6403528 |
Developer for use with carbonless copy paper and photo imaging system |
Jun. 11, 2002 |
| 6391824 |
Process for the preparation of coated continuous sheets to be printed by impact-free heat printers, and sheet thus obtained |
May. 21, 2002 |
| 6383982 |
Color developer composition, aqueous dispersion, recording sheet and color developing ink |
May. 7, 2002 |
| 6337303 |
Thermographic recording materials with improved image tone |
Jan. 8, 2002 |
| 6326331 |
Substantially light-insensitive black and white thermographic recording material with improved stability to direct sunlight |
Dec. 4, 2001 |
| 6313065 |
Substantially light-insensitive black and white thermographic recording material with improved image tone |
Nov. 6, 2001 |
| 6211116 |
Substantially light-insensitive black and white thermographic recording material with improved image tone |
Apr. 3, 2001 |
| 6211115 |
Reducing agents for use in thermographic recording materials |
Apr. 3, 2001 |
| 6207614 |
Substantially light-insensitive black and white monosheet thermographic recording material with improved image tone |
Mar. 27, 2001 |
| 6197722 |
Imaging member with multifunctional coupler |
Mar. 6, 2001 |
| 6127313 |
Thermographic recording material comprising an outermost layer suitable for use with thermal heads |
Oct. 3, 2000 |
| 6051530 |
Outermost layers for use in thermographic recording materials |
Apr. 18, 2000 |
| 5994262 |
Sheet set for temperature control and method of using thereof |
Nov. 30, 1999 |
| 5709738 |
Coating composition for ink jet printing |
Jan. 20, 1998 |
| 5672560 |
Stabilized heat-sensitive imaging material |
Sep. 30, 1997 |
| 5573995 |
Method for making an image using a direct thermal imaging element |
Nov. 12, 1996 |
| 5525572 |
Coated front for carbonless copy paper and method of use thereof |
Jun. 11, 1996 |
| 5525686 |
Polyvalent metal salt of salicyclic acid resin and process for preparing it |
Jun. 11, 1996 |
| 5489501 |
Recording composition |
Feb. 6, 1996 |
| 5482913 |
Recording sheet |
Jan. 9, 1996 |
| 5447901 |
Color-developing compositions and their use |
Sep. 5, 1995 |
| 5446009 |
Thermal recording sheet |
Aug. 29, 1995 |
| 5439869 |
Thermoreactive recording material of particular stability |
Aug. 8, 1995 |
| 5382560 |
Color developers and sheets thereof |
Jan. 17, 1995 |
| 5350729 |
Developer sheet with structured clays and process thereof |
Sep. 27, 1994 |
| 5346878 |
Recording material |
Sep. 13, 1994 |
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