Stable initiator system
US6414049B1 · kind B1 · utility
7Cited by
17References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Mar 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/916
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Acylphosphine initiators used in making ophthalmic lenses are stabilized by the addition of an acid to the monomer mix used to make the lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.