Peelable adhesive polymeric film
US10442959B2 · kind B2 · utility
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Key dates
| Filing date | Apr 29, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Apr 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K77/111
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Peelable polymeric film, in particular, peelable polymeric film which comprises a polymeric substrate layer and a coating layer of adhesive, and which is of particular use in the manufacture of electronic devices is described. The adhesive layer is derived from an aqueous composition which comprises an aliphatic polyurethane and is switchable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.