Process for preparing precipitated silica using a mixer or extruder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 2, 2019
Grant Date -
Apr 23, 2015
app pub date -
Mar 21, 2013
filing date -
Mar 22, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for preparing precipitated silica comprising a reaction of a silicate with an acidifying agent to obtain a suspension of precipitated silica (S1), followed by a separation step to obtain a cake, a disintegration step of said cake to obtain a suspension of precipitated silica (S2), and a drying step of this suspension, wherein the disintegration step is performed by mixing using a twin-screw mixer or by extrusion.
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