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:
Jun. 27, 1978
Filed:
Mar. 30, 1977
Applicant:
Inventor:
Hans-Achim Dietmar Wildt, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106300 ; 1063 / ; 423613 ;
Abstract
Process for producing aqueous slurries of chloride process anatase titanium dioxide pigment by adding to the slurry from 0.03 to 0.45% by weight of sodium aluminate or aluminum trichloride, calculated as Al.sub.2 O.sub.3 and based on the weight of the titanium dioxide pigment. The resulting slurries retain relatively low viscosity for at least one day.