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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.:

US 5366938 B1

PDFFull Text
Date of Patent:
Nov. 22, 1994

Filed:

Apr. 13, 1990

Shaped articles based on pyrogenically produced titanium dioxide

Applicant:
Inventors:

Klaus Deller, Hainburg, DE;

Bertrand Despeyroux, Hanau, DE;

Helmfried Krause, Rodenbach, DE;

Assignee:

Degussa AG, Hanau, DE;

Attorney:

Cushman, Darby & Cushman

Primary Examiner:

Mark L Bell

Assistant Examiner:

Michael Marcheschi

Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501134 ; 501 94 ; 423608 ; 423610 ; 502349 ; 502350 ;
Abstract

Pressed parts based on pyrogenically produced titanium dioxide with the following physico-chemical characteristics:

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