Protective coating for thermal images
US4999334A · kind A · utility
15Cited by
22References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1990 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Mar 1, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/405
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A protective coating composition for protection of thermal images on thermal paper is provided. A mixture of oligomers, monomers, and a photocatalyst are blended together, coated onto thermal paper and then cured by ultraviolet radiation. The coating provides protection to images subsequently printed on the paper by providing resistance to solvents, abrasion and fading due to exposure to light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.