Method for preparing hard polyurethane and polyisocyanurate foams using chloropropane blowing agent and non-silicon foam stabilizer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 21, 1992
Grant Date -
N/A
app pub date -
Mar 2, 1990
filing date -
Mar 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for preparing hard polyurethane and polyisocyanurate foams wherein an isocyanate and an active hydrogen containing compound are made to react in the presence of a catalyst, a foam stabilizer and a blowing agent which contains chloropropane, the used foam stabilizer being mainly of the non silicon type.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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