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:
Sep. 24, 1991
Filed:
Nov. 22, 1989
Applicant:
Inventors:
Wicher T Koetsier, Mijnsheerenland, NL;
Johannes P Verduijn, Spijkenisse, NL;
Assignee:
Exxon Research & Engineering Company, Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C10B / ;
U.S. Cl.
CPC ...
502 74 ; 423328 ; 502 60 ;
Abstract
Zeolite L with cylindrical morphology and having excellent properties as a catalyst base may be prepared with high crystallinity and reduced contamination even in large scale syntheses were fluctuation in gel compositions may occur by employing a gel composition having the following molar ratios of components: