No hexa shell sand
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 17, 2014
Issued Date -
N/A
app pub date -
Jul 8, 2010
filing date -
May 18, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A formulation and method of use for eliminating the use of hexa in shell sand encapsulation is disclosed. The composition of matter consists of standard novalac resins with the hexa component replaced by solid granular resole or curing agent. The preferred formulation and method of compounding is given. Trace elements of ammonia, phenol and the like are further reduced by the addition of a preferred 50:50 mix of an ammonia buffer and masking agent. The preferred compounds for the ammonia buffer and masking agent mix are given.
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