Recording materials
US4363866A · kind A · utility
2Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1981 |
| Grant date | Dec 14, 1982 |
| Priority date | — |
| Expiry date | Apr 14, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C5/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Process for forming a vesicular image utilizing a vesicular recording material having an imaging layer which includes a defined sulphone and/or sulphonamide additive in an amount of 1 to 100% by weight based upon the weight of a polymeric component of the plastics vehicle. The additive provides improved image density and a back-appearing image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.