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:
Nov. 02, 2010
Filed:
Jun. 27, 2007
Claus Hviid Christensen, Lynge, DK;
Kake Zhu, Shanghai, CN;
Marina Kegnaes, Copenhagen Ø, DK;
Kresten Egeblad, Valby, DK;
Claus Hviid Christensen, Lynge, DK;
Kake Zhu, Shanghai, CN;
Marina Kegnaes, Copenhagen Ø, DK;
Kresten Egeblad, Valby, DK;
Haldor Topsoe A/S, Lyngby, DK;
Abstract
A method for producing zeolite or zeotype crystals with a hierarchical pore system having both pores with average diameter between 0.3-2 nm and pores with an average diameter size larger than 4 nm in diameter, comprising the steps of applying a carbohydrate or a carbohydrate solution onto a zeolite precursor material or into a zeolite precursor composition, partly or fully decomposing the carbohydrate, crystallizing the zeolite, removing the partly or fully decomposed carbohydrate by calcination or combustion.