Recording medium and process for forming color image with use of the same
US4965174A · kind A · utility
10Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1989 |
| Grant date | Oct 23, 1990 |
| Priority date | — |
| Expiry date | Oct 24, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/761
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A recording medium is provided which comprises a recording layer comprising at least one set of image-forming units containing a region holding a photosensitive protein and a color-developing means capable of developing a color according to a change in the hydrogen ion concentration in the region. Each of said image-forming units within the same set having a photosensitive protein sensitive to a different wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.