Nucleation efficiency of talc in the foaming behaviour and cellular structure of polymer-based foams
US10160843B2 · kind B2 · utility
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2References
14Claims
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Key dates
| Filing date | Jun 18, 2013 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Jun 18, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2325/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A polymer-based foam composition includes a polymer and up to 20 wt. % talc particles, based on the total weight of the composition. The talc particles include microcrystalline talc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.