Interlayer film for laminated glass and laminated glass
US8361625B2 · kind B2 · utility
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3References
31Claims
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Key dates
| Filing date | Jan 22, 2009 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Jan 22, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31946
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An interlayer film for a laminated glass which reduces transmittance of ultraviolet rays having wavelength of 380 to 400 nm and has an excellent durability to light exposure, while maintaining high visible light transmittance. The interlayer film for a laminated glass comprises a thermoplastic resin and an indole compound having a structure represented by the following chemical formula 1:Wherein R1 represents an alkyl group having 1-3 carbon atoms, and R2 represents hydrogen, an alkyl group having 1-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.