Compositions featuring cationically active and free radically active functional groups, and methods for polymerizing such compositions
US6187836A · kind A · utility
62Cited by
36References
59Claims
0Family size
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Key dates
| Filing date | Jun 5, 1998 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Jun 5, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S522/908
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Photopolymerizable compositions that include free radically active and cationically active functional groups, and methods for polymerizing such compositions, in which the onset of cationic polymerization is controllably delayed to extend the time between formation of a moldable gel and formation of a hardened solid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.