Method of making titanium dioxide particles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 28, 2010
Grant Date -
Nov 13, 2008
app pub date -
May 8, 2007
filing date -
May 8, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosure provides a process for preparing nanocrystalline titanium dioxide, in particular rutile nanocrystalline titanium dioxide, comprising: (a) precipitating a mixture comprising hydrated titanium oxide and a separable filtering agent; (b) filtering the precipitated mixture to form a filter cake comprising the precipitated hydrated titanium dioxide and a separable filtering agent, (c) calcining the precipitated hydrated titanium oxide and separable filtering agent at a temperature of greater than about 300.degree. C.; and (d) removing the separable filtering agent thereby recovering titanium dioxide particles.
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