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:
Aug. 22, 2000
Filed:
Feb. 17, 1998
Intevep, S.A., Caracas, VE;
Abstract
A composition of matter is provided including an inorganic porous material having wall portions defining mesopore-sized channels having a mean diameter of between about 15 .ANG. and about 100 .ANG. and a narrow diameter distribution of less than or equal to about 30 .ANG., the material having a void volume from the mesopore-sized channels of at least about 0.1 cc/g and a surface area of at least about 500 m.sup.2 /g and having a number of hydroxyl groups of at least about 1.5 mmol of hydroxyl groups per gram of material, and exhibiting thermal and hydrothermal stability at temperatures up to about 500.degree. C. Catalytic materials incorporating aluminum and other active metals, as well as a process for preparing the composition, are also disclosed.