Anionic and Lewis base photopolymerization process and its use for making optical articles
US6911485B1 · kind B1 · utility
1Cited by
20References
5Claims
0Family size
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Key dates
| Filing date | Apr 19, 2002 |
| Grant date | Jun 28, 2005 |
| Priority date | — |
| Expiry date | Oct 8, 2022 |
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 a 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.