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. 12, 1989
Filed:
Aug. 18, 1987
Applicant:
Inventors:
Peter S Gradeff, Pottersville, NJ (US);
Carlos Ramirez, Piscataway, NJ (US);
Assignee:
Rhone-Poulenc, Inc., New Brunswick, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C09K / ; C09D / ; C01F / ;
U.S. Cl.
CPC ...
252308 ; 252314 ; 423 211 ; 534 15 ; 534 16 ; 106267 ;
Abstract
A process is provided for preparing colloidal dispersions of alcohol-dispersible association complexes of ceric dioxide and a hydroxyphenyl carboxylic acid having from about seven to about twenty carbon atoms in a molar ratio CeO.sub.2 /acid of at least about 6:1 which comprises: