Hydrolysis resistant polyester film
US11629241B2 · kind B2 · utility
0Cited by
16References
22Claims
0Family size
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Key dates
| Filing date | May 8, 2018 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Aug 22, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The use of titanium dioxide particles coated by an organic coating for increasing the hydrolysis resistance of an oriented polyester film, particularly wherein the organic coating does not comprise or is not derived from a silane, and particularly wherein the organic coating is selected from an organophosphorus compound and a polymeric organic coating; and oriented polyester films comprising such titanium dioxide particles coated by an organic coating; and photovoltaic cells comprising such films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.