Epoxy patch having improved adhesion characteristics
US11274232B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Mar 23, 2017 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Mar 23, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2463/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A device comprising an adhesive material and a fiberglass mesh located in direct planar contact with the adhesive material. The adhesive material is tacky in its green state and includes an epoxy, an epoxidized cashew nut shell oil, and at least about 20% by weight of a component containing a core shell polymer material to improve the adhesion capability to surfaces that are contaminated and/or exposed to high pressure spraying or chemical treatments, heat and humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.