Blowing agent compositions
US4312776A · kind A · utility
8Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1980 |
| Grant date | Jan 26, 1982 |
| Priority date | — |
| Expiry date | Oct 10, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/909
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blowing agent composition comprises azodicarbonamide, 0.005 to 5% by weight, based on the weight of azodicarbonamide, of a chromium sulphate, and 0.005-1% by weight, based on the weight of azodicarbonamide, of at least one zinc compound selected from zinc salts and oxides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.