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.

Date of Patent:
Sep. 15, 1998

Filed:

Nov. 21, 1996
Applicant:
Inventors:

Maria Balai, Szazhalombatta, HU;

Hermann Beyer, Budapest, HU;

Istvan Czagler, Szazhalombatta, HU;

Arpad Csoka, Szazhalombatta, HU;

Pal Feher, Szazhalombatta, HU;

Janos Forstner, Szazhalombatta, HU;

Laszlo Galambos, Szazhalombatta, HU;

Laszlo Kantor, Szazhalombatta, HU;

Antal Katona, Szazhalombatta, HU;

Maria Lenkei, Budapest, HU;

Gabriella Pal nee Borbely, Budapest, HU;

Tamas Sulyok, Dunakeszi, HU;

Laszlo Szirmai, Emilia, HU;

Eszter Tatrai, Budapest, HU;

Olga Terenyi nee Gavrikova, Budapest, HU;

Gabor Tolvaj, Erd, HU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; B01J / ;
U.S. Cl.
CPC ...
208120 ; 208113 ; 502 63 ; 502 68 ; 502 69 ; 502 71 ; 502 77 ;
Abstract

The invention relates to a process for the preparation of catalysts or catalyst additives by kneading and/or grinding, spray-drying and heat-treating a suspension containing a catalytically active component as well as aluminum hydroxide and/or one or more aluminum hydroxy compound(s) and other binding agent(s) and optionally kaolin(ite), which comprises using one or more aluminum-containing silicic acid modification(s) of formula (I),


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