Thermoplastic vulcanizates
US11939473B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Dec 7, 2018 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic vulcanizate composition comprises: (i) a dispersed phase of rubber that is at least partially cured; (ii) a continuous thermoplastic phase including at least one thermoplastic polymer; (iii) a first polysiloxane composition comprising a migratory siloxane polymer physically dispersed in a first thermoplastic material and (iv) a second polysiloxane composition comprising a non-migratory, siloxane polymer bonded to a second thermoplastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.