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:
Nov. 01, 2005
Filed:
Mar. 18, 2002
Applicants:
Stefan Uhrlandt, Niederkassel, DE;
Ralf Schmoll, Bonn, DE;
Claus-peter Drexel, Neu-Isenburg, DE;
Inventors:
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B014/04 ;
U.S. Cl.
CPC ...
Abstract
A silica comprising at least two silica fractions, wherein said at least two silica fractions differ by at least 10% in at least one value for BET surface area, CTAB surface area and DBP absorption, the ranges of these three physicochemical properties being as follows:
Uhrlandt, Stefan. (2005). Inhomogeneous silicas as carrier material (U.S. Patent No. 6960251). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6960251
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile