Non-crystal-forming oligomers for use in radiation-curable fiber optice coatings
US6599956B2 · kind B2 · utility
2Cited by
88References
23Claims
0Family size
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Key dates
| Filing date | Dec 26, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Dec 26, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A radiation-curable coating composition for an optical fiber comprising a reactive functionality-terminated urethane oligomer, wherein said oligomer comprises the reaction product of (i) a semi-crystalline polyol, and (ii) a non-crystalline polyol in the mole ratio of semi-crystalline polyol to non-crystalline polyol of at least about 1:1, (iii) at least one isocyanate, and (iv) an endcapping compound capable of supplying the functionality terminus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.