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:
May. 25, 1999
Filed:
Apr. 28, 1997
Applicant:
Inventors:
Yvon Haquet, Saint Romain de Colbosc, FR;
Jean-Pierre Tref, Le Havre, FR;
Assignee:
Total Raffinage Distribution S.A., Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
141286 ; 141237 ; 414299 ; 414300 ;
Abstract
Method and apparatus for the uniform dense pack filling of particles of a solid catalyst (6) in a tubular reactor, of the type comprising a plurality of vertical tubes (2) opening at their upper end at the surface of a tube plate, which connects them together and is substantially parallel to them, and having above the tube plate, a system for the uniform distribution in a falling rain of the particles of catalyst, the improvement including: