Composition and method for tinting plastic
US4490495A · kind A · utility
38Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1982 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Nov 15, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31507
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solution for coating plastic material for tinting and the method of making said solution is described. The process for coating plastic material and for tinting the material is also described. This solution and process provides scratch resistance to the surface of the coated polycarbonate and CR-39 lenses, absorbs dye and permits the plastics to absorb the dye and adheres strongly to the plastic surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.