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:
Jun. 28, 1994
Filed:
Aug. 31, 1992
Applicant:
Inventors:
Ulrich Mueller, Neustadt, DE;
Wolfgang Hoelderich, Frankenthal, DE;
Guenter Lauth, Grosskarlbach, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423311 ; 423305 ; 4233282 ; 502208 ; 502214 ;
Abstract
Aluminophosphates and silicoaluminophosphates having the AEL structure are prepared under hydrothermal crystallization conditions by a process in which 1,2-bis-( 4-pyridyl)-ethane is used for the crystallization.