Additive for polymerizable composition, polymerizable composition containing the same and use of the polymerizable composition
US8394891B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Dec 11, 2008 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Sep 26, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/041
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The additive for a polymerizable composition according to the present invention contains a compound represented by the general formula (a). In the general formula (a), R represents a saturated hydrocarbon group having 1 to 3 carbon atoms. M represents Sn, Sb, Bi, or Ge. m represents 0 or 1. R and M are not directly bonded when m is 0. n represents an integer of 1 to 3. X represents a monovalent linking group, and a plurality of X may be the same as or different from each other. When two or more linking groups X are bonded with the metal atom M, the linking groups X may combine together to form a ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.