Blowing agents in polymer foam processing systems
US11332593B2 · kind B2 · utility
2Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2019 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jul 11, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2203/184
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods and systems that include introducing blowing agent into a hopper of a polymeric foam processing system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.