Tetrafluorobutene blowing agent compositions for polyurethane foams
US10113046B2 · kind B2 · utility
0Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2010 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blowing agent for thermosetting foams is disclosed. The blowing agent is 2,4,4,4-tetrafluorobutene-1 alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), or a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.