Graphic arts and graphic media
US4044176A · kind A · utility
60Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1975 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Jun 12, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Graphic arts media are provided which offer raised, three-dimensional effects. A basic medium is formulated of a colorant, film-forming binder, a solvent vehicle and thermally expandable microspheres. The microspheres are treated to preclude or inhibit solvation in the solvent vehicle by coating with a compound which is a non-solvent for the microspheres but which preferentially wets the surface thereof. Alkyl alcohols having about 3 to 5 carbon atoms in the alkyl chain are employed. The medium is selectively applied to a substrate, dried, and heated to expand the microspheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.