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:
Feb. 17, 1998
Filed:
Jun. 26, 1995
Applicant:
Inventor:
Dominique Labarre, Neuilly-sur Seine, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; B01J / ; B05D / ; C08K / ;
U.S. Cl.
CPC ...
424401 ; 106447 ; 252309 ; 2523152 ; 424 709 ; 427214 ; 427220 ; 428405 ; 514972 ; 524403 ; 524413 ;
Abstract
Organophilic particles of a metal oxide chosen from alumina Al.sub.2 O.sub.3, silica SiO.sub.2, transition metal oxides, especially titanium oxide TiO.sub.2, and rare-earth metal oxides, especially cerium oxide CeO.sub.2, are prepared by reacting an aqueous-alcoholic suspension (a) of metal Oxide particles which have no pores less than 5 nm in di-meter at their surface with an anhydrous alcoholic solution (b) comprising at least one alkoxysilane of formula (1)