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. 10, 2021
Filed:
Jul. 17, 2018
Applicant:
Basell Poliolefine Italia S.r.l., Milan, IT;
Inventors:
Gian Luca Bonaccorsi, Ferrara, IT;
Giuseppe Penzo, Ferrara, IT;
Enrico Balestra, Ferrara, IT;
Maurizio Dorini, Ferrara, IT;
Riccardo Rinaldi, Ferrara, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/06 (2006.01); B01J 19/24 (2006.01);
U.S. Cl.
CPC ...
B01J 19/06 (2013.01); B01J 19/24 (2013.01);
Abstract
A manhole for a polymerization unit having a through-hole formed with a shoulder matching a corresponding shoulder of a plug of a closure member operatively inserted in the through-hole. The through-hole can be closed with a minimum clearance, such that polymer particles do not deposit in the gap between the wall of the unit and the plug of the closure member.