Hydrocarbon resins for butyl based compositions and methods of making the same
US10982081B2 · kind B2 · utility
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Key dates
| Filing date | May 31, 2018 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | May 31, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/035
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Butyl based composition having hydrocarbon resins are provided herein. The hydrocarbon resin has a Tg from −10° C. to 25° C., a number average molecular weight between 20 to 500, a weight average molecular weight between about 100 to about 2000, and a glass transition temperature between about 0° C. to about −80° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.