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. 04, 2021
Filed:
Jul. 27, 2016
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventor:
Achim Schneider, Neu-Isenburg, DE;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/30 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3081 (2013.01); C07F 7/0801 (2013.01);
Abstract
Modified precipitated silica is produced in a one pot synthesis by forming precipitated silica and modifying with an organosiliconate. The modified precipitated silica is washed following preparation, affording a modified precipitated silica with low levels of ionic substances.