Biobased polyurethane elastomer memory foam compositions
US12134675B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
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Key dates
| Filing date | Feb 22, 2022 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Apr 11, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2280/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane elastomer memory foam composition includes an organic diisocyanate, a chain extender, a crosslinker, a plasticizer, a surfactant, a foaming agent, and a polyester resin, the polyester resin being a random copolymer having randomly distributed subunits of formula 1: where: R is ethylene, octylene, or decylene; a is from about 1 to about 99 mole % of the polyester resin; b is from about 1 to about 99 mole % of the polyester resin; c is from 0 to about 10 mole % of the polyester resin; and a+b+c=100 mole % of the polyester resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.