Anionic and Lewis base photopolymerization process and its use for making optical articles
US7253213B2 · kind B2 · utility
1Cited by
12References
2Claims
0Family size
Inventors
Key dates
| Filing date | Apr 26, 2005 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Jun 27, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking an oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and episulfide oligomers, and urethane, thiourethane and episulfide polymers and copolymers, which comprises:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.