Method for the preparation of styrene polymer foam and foam prepared thereby
US4438224A · kind A · utility
28Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1983 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Aug 15, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/91
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Mechanically stable styrene polymer foams having highly desirable physical properties are prepared employing as a blowing agent a mixture of lower alcohols with chlorofluoromethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.