Printing medium and use thereof
US4443302A · kind A · utility
7Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1982 |
| Grant date | Apr 17, 1984 |
| Priority date | — |
| Expiry date | Dec 30, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing medium which includes a substrate coated with a compound of the formula: ##STR1## wherein R.sub.3 is a ring group having certain substituents in at least one ortho position with respect to the atom connected to C.dbd.O; and each R.sub.1 and R.sub.2 individually is aryl or alkaryl or are interconnected to form with the nitrogen atom a phenothiazine, phenoxazine, or phenazine or substituted derivative; and coated with an oxidizing agent or reduced form thereof; and method of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.