Recording material comprising chromogenic 3,1-benzoxazines

Details Recording material comprising chromogenic 3,1-benzoxazines Recording material comprising chromogenic 3,1-benzoxazines

1989-02-14

1990-02-27

Raymond, Richard L.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified color-former

427151, 503217, 503223, B41M 522, C09B 1900

Patent

active

049046373

ABSTRACT:
Compounds of the formula ##STR1## wherein Z.sup.1 denotes hydrogen, alkyl, cycloalkyl or ##STR2## R.sup.1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl, heteroalkyl or heteryl,

REFERENCES:
patent: 3839447 (1974-10-01), Swiger et al.
patent: 4070508 (1978-01-01), Ishige et al.
Farbwerke Hoechst A.G., Chemical Abstracts, vol. 68 (1968), 21941b.
Kuch et al, Chemical Abstracts, vol. 70 (1969), 47472r.
Zaher et al, Chemical Abstracts, vol. 82 (1975), 140038m.
Yoshida et al, Chemical Abstracts, vol. 92 (1980) 224313s.
Schmidt et al, Chemical Abstracts, vol. 99 (1983), 105086e.

Affiliated with

Also associated with

Rating

Recording material comprising chromogenic 3,1-benzoxazines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Recording material comprising chromogenic 3,1-benzoxazines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recording material comprising chromogenic 3,1-benzoxazines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-174196