Nop foam
US8901189B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A foam article, for use in a seat such as a seat cushion, includes an open cell, polyurethane foam material that includes a plant oil-based polyol material content greater than five percent and is produced from the reaction of a base polyol formulation blend including at least a portion of a plant oil-based polyol, a copolymer polyol including at least a portion of a plant oil-based polyol, water, a cross-linking agent, a catalyst, cell opener and a surfactant that are reacted with an isocyanate material for producing the seat cushion having performance specifications that are equivalent or better than the performance characteristics for a traditional petroleum oil-based polyol material seat cushion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.