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:
Jul. 04, 2017
Filed:
Jan. 23, 2013
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Emmanuelle Allain, L'Hay les Roses, FR;
Sylvaine Neveu, Paris, FR;
Assignee:
Rhodia Operations, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/12 (2006.01); C01B 33/193 (2006.01);
U.S. Cl.
CPC ...
C01B 33/128 (2013.01); C01B 33/193 (2013.01);
Abstract
The invention relates to a process for the preparation of precipitated silica formed of aggregates of large primary silica particles, at the surface of which occur small primary silica particles, in which the acid used in at least one of the process steps is a concentrated acid.
Allain, Emmanuelle. (2017). Process for preparing precipitated silica having specific morphology, particle size and porosity (U.S. Patent No. 9695053). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9695053
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile