Process for production of rhombic shaped precipitated calcium carbonate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Jul 10, 1992
filing date -
Jul 10, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for producing rhombic or barrel shaped precipitated calcium carbonate. Quicklime is slaked in an aqueous solution containing about 0.1% to about 2% by weight of a sugar, based upon the weight of the CaCO.sub.3 to be produced. Carbon dioxide is added to the slaked lime slurry at a preferred temperature of about 50.degree. F.-70.degree. F. until the pH drops from about 11-12 to about 7-8.
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