Compositions and process for making rigid plastic foams of modified vinyl ester resins and silicone compounds
US3940349A · kind A · utility
6Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Dec 5, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/915
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
By the introduction of pendant phthalate, isophthalate or terephthalate half ester groups thermosettable vinyl ester resins can be successfully frothed using certain silicone frothing agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.