Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wordpress-seo domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/html/wp-includes/functions.php on line 6260 Patent No. U.S. 6,579,356 B2 - Coatings World

What are you searching for?

Sign in
Patents

Patent No. U.S. 6,579,356 B2

Author Image

By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

Patent No. U.S. 6,579,356 B2
Engelhard Corp. has been granted a patent for a brown pigment composition, comprising approximately 30%-80% by weight of iron oxide; five to 50% by weight of chromium oxide; and 2.5%-50% by weight of alumina and silica components. The alumina and silica comprising from about 40% to about 70% by weight of at least one alumina component and approximately 30%-60% by weight of at least one silica component. The brown pigment composition exhibits excellent resistance to weathering.

Add us as a preferred source on Google

Get the latest Coatings World news, insights and analysis in your Google Search and AI experiences.

Add Coatings World as a preferred source on Google (opens in a new tab)

Keep Up With Our Content. Subscribe To Coatings World Newsletters