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:
Jan. 24, 1995
Filed:
Jan. 28, 1993
Applicant:
Inventors:
Hans Deusser, Karlstein, DE;
Dieter Kerner, Hanau, DE;
Jurgen Meyer, Stockstadt, DE;
Gunther Michael, Karlstein, DE;
Andreas Stubbe, Rodenbach, DE;
Assignee:
DeGussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428405 ; 428402 ; 428403 ; 428447 ;
Abstract
Surface-modified, pyrogenically produced aluminum oxide which has the following physico-chemical properties: