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. 18, 1987
Filed:
Mar. 26, 1985
Applicant:
Inventors:
Andre Dumain, Martigues, FR;
Charles Raufast, Saint Julien les Martigues, FR;
Assignee:
BP Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
406 52 ; 406124 ; 406146 ; 222-1 ; 222 53 ; 222 61 ; 222195 ; 222638 ; 422131 ; 422145 ; 526 86 ; 526919 ;
Abstract
Device and process for introducing a powder with catalytic activity into a fluidized bed polymerization reactor (1), the said device comprising: