Color-forming recording material

Details Color-forming recording material Color-forming recording material

B - Operations, Transporting

41

M

B41M 5/30 (2006.01) B41M 5/323 (2006.01)

Patent

CA 2052738

Abstract of the Disclosure A color-forming recording material containing: (a) an aromatic diamine, (b) an oxidizing agent such as a quinoid type electron-accepting compound, and (c) an acidic substance such as an aromatic carboxylic acid. The araomatic diamine (a) has preferably the formula (1), Image .........(1) wherein each o-f R1 and R4 Is, independently of the other, a substituted or unsubstituted aryl group, each of R2 and R3 is, independently of the other, a hydrogen atom, a lower alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group, and X is a substituted or unsubstituted arylene group, or the formula (2), Image .............(2) wherein R1, R2, R3 and X are as defined in the -formula (1), and R is an alkyl group, an aryl group or an aralkyl group. The color-forming recording material is useful for use in a data reading apparatus using visible light and/or near infrared light.

Affiliated with

Also associated with

Rating

Color-forming recording material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Color-forming recording material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color-forming recording material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1800346