Coated titanium dioxide particles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 14, 2006
Grant Date -
Dec 30, 2004
app pub date -
Oct 30, 2002
filing date -
Oct 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system urease/urea is used. Said coated titanium dioxide particles can have an average size of less than 50 nm, the coating providing effective protection against photocatalytic reactions. The coated particles are suitable, in particular, as UV absorbers in a transparent organic matrix.
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