Methods of photochemical hydrolysis-polycondensation of cross-linkable chromophores with steric hindrance, catalysed by a photogenerated acid, and the applications thereof
US8722318B2 · kind B2 · utility
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1References
17Claims
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Key dates
| Filing date | Sep 15, 2009 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Apr 28, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D183/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a process for the hydrolysis-polycondensation of a sterically hindered crosslinkable chromophore, characterized in that the hydrolysis-polycondensation is catalyzed with an acid released by a photoacid generator (PAG).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.