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. 11, 1993
Filed:
Aug. 24, 1989
Applicant:
Inventors:
Nan Wei, Naperville, IL (US);
Philip M Rose, Naperville, IL (US);
Chi-Hung Lin, Wheaton, IL (US);
David R Kreider, Wheaton, IL (US);
Ronald P Stark, Oswego, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B65G / ; B65G / ; B01J / ;
U.S. Cl.
CPC ...
406 66 ; 222636 ; 406 63 ; 406 67 ; 422131 ; 422219 ;
Abstract
This invention relates to an apparatus and process for feeding powder or dry solids catalyst into a flowing liquid stream. More particularly, the invention includes an apparatus which includes a novel purging device and means for isolating a metering means from a liquid stream, and process for injecting finely divided flowable powder or catalyst into a flowing liquid stream, which in turn is fed into a reactor utilized for the production of polypropylene or polyolefins.