Foam boards produced using halogen-free blowing agents
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 19, 1996
Grant Date -
N/A
app pub date -
Nov 21, 1995
filing date -
May 27, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Extruded foam boards produced using halogen-free blowing agents from a styrene polymer thermoplastic matrix having a Vicat softening temperature VST B 50 of at most 100.degree. and a melt index MVI 200/5 of at least 5 ml/10 min are at least 20 mm, preferably more than 50 mm and in particular from 80 to 200 mm, thick. Preferred blowing agents for producing the foam boards are carbon dioxide alone, as well as mixtures of carbon dioxide and ethanol and/or dimethyl ether.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully