Ester hardeners for phenolic resin binder systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 1991
Issued Date -
N/A
app pub date -
Oct 18, 1990
filing date -
Apr 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hardener composition for alkaline phenolic resole resin binders which comprises a solution of a benzylic ether resole resin in an ester. Binder compositions comprising this hardener with alkaline phenolic resole resins are further provided as are foundry molding compositions and methods for making foundry cores and molds using the molding compositions.
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