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:
Dec. 19, 1978
Filed:
May. 24, 1977
Applicant:
Inventors:
Bernhard Schepers, Burnside, LA (US);
Heinz Hellinghausen, Ludwigshafen am Rhein, DE;
Alois Kramer, Hassloch, DE;
Assignee:
Guilini Chemie G.m.b.H., Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C01F / ;
U.S. Cl.
CPC ...
5130 / ; 423625 ;
Abstract
Coarsely crystalline aluminum oxide is provided which contains the following trace elements: V.sub.2 O.sub.5 > 0.005 percent by weight, P.sub.2 O.sub.5 > 0.005 percent by weight, Na.sub.2 O > 0.8 percent by weight. A method is provided for producing such an aluminum oxide by calcining aluminum hydroxide in the presence of at least one flouride and of vanadium salt.
Schepers, Bernhard. (1978). Method for producing coarsely crystalline alumina (U.S. Patent No. 4130402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4130402
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile