| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Foaming method - Supplying styrene & acrylic polymer to heated extruder - Heating & mixing to form molten blend - Incorporating hydrocarbon blowing agentinto blen within extruder - Releasing molten mixt from extruder to cause blow agent to expand molten mixt to form foamed article |
| PATENT PHOTOCOPY | Available on request |
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