Binder containing substituted benzenes and naphthalenes for producing cores and molds for metal casting, mold material mixture, and method
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United States of America Patent
Stats
-
Apr 7, 2015
Grant Date -
Nov 14, 2013
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A binder for mold material mixtures is a four-component material. It contains at least one phenolic resin component, at least one isocyanate component, at least one alkyl/alkenyl benzene and at least one dialkylated and/or dialkenylated naphthalene. The phenolic resin component acts as the polyol component and contains phenolic resin obtainable from the reaction between a phenol compound and an aldehyde compound. The isocyanate component contains at least one polyisocyanate with at least two NCO groups per molecule. The alkyl/alkenyl benzene has a boiling point above 250° C. The dialkylated and/or dialkenylated naphthalene has a boiling point above 270° C.
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International Classification(s)
- 2011 Application Filing Year
- C08G Class
- 1816 Applications Filed
- 1451 Patents Issued To-Date
- 79.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08G Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 7, 2026 |
