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. 30, 1999
Filed:
Dec. 29, 1997
Applicant:
Inventors:
Piergiorgio Zappelli, Monterotondo, IT;
Giulio Alberti, Perugia, IT;
Mario Casciola, Perugia, IT;
Fabio Marmottini, Deruta, IT;
Riccardo Vivani, Perugia, IT;
Assignee:
Eniricerche S.p.A., S. Donato Milanese, IT;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423305 ; 423308 ; 502208 ;
Abstract
Solid mesoporous crystalline composition of a pyrophosphate-phosphate of a tetravalent metal, with a high surface area and narrow distribution of the mesopores, having formula (I):