Aqueous akaline developable, UV curable urethane acrylate compounds and compositions useful for forming liquid 100 percent solids, solvent-free solder mask coatings
US4874799A · kind A · utility
22Cited by
9References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1987 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Jul 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/92
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aqueous alkaline developable, UV curable urethane acrylate compounds and compositions are particularly useful for making flexible, 100% solids, solvent-free solder mask coatings which are characterized by having screen-printable viscosities, rapid developability and advantageous performance characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.