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:
May. 20, 1986
Filed:
Apr. 05, 1985
Applicant:
Inventors:
Yvonick Chevallier, Decines, FR;
Jean-Claude Morawski, Chassieu, FR;
Assignee:
Rhone-Poulenc Chimie de Base, , FR;
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
423335 ; 423339 ;
Abstract
A precipitated silica having improved morphological characteristics and a process for making precipitated silica. In the precipitated silica of the present invention, the ratio of DBP oil index/CTAB specific surface area is between:
Chevallier, Yvonick. (1986). Precipitated silica having improved morphological characteristics and (U.S. Patent No. 4590052). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4590052
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile