Highly durable polyester polyol
US9902683B2 · kind B2 · utility
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3References
12Claims
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Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Mar 27, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/199
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester polyol from which a polyurethane having acid resistance and alkali resistance can be produced. A polyester polyol containing 1,3-propandiol having an alicyclic skeleton in a side chain, 3-methyl-1,5-pantanediol, and a dibasic acid component as constituent components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.