The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2003
Filed:
Nov. 20, 2001
Bernd Proft, Neukirchen-Vluyn, DE;
Elke Hirschberg, Moers, DE;
Barbara Seling, Ellwangen, DE;
Sonja Weyand, Duisburg, DE;
Sachtleben Chemie GmbH, Duisburg, DE;
Abstract
The bodies are prepared either by pelleting of a pasty mixture of titanium dioxide powder and titanium dioxide sol and/or 1-20% nitric acid, followed by dehydration and calcination at a temperature of between 400 and 1000° C. for between 0.5 and 3.5 hours; or by preparing pellets from the titanium dioxide powder and added water, annealing of the pellets at between 300 and 500° C., saturation of same with titanium dioxide sol or 1-20% nitric acid in a vacuum, followed by drying and finally annealing at a temperature of between 400 and 1000° C. for between 0.5 and 3 hours.