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:
Feb. 20, 2001
Filed:
Nov. 05, 1998
Applicant:
Inventors:
David Mason Gaines, St. Albans, WV (US);
Philip Everett Harrison, Winfield, WV (US);
Roger Brady Painter, Scott Depot, WV (US);
Bill Jack Garner, Sudbury, MA (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 3/00 ;
U.S. Cl.
CPC ...
F26B 3/00 ;
Abstract
A method of reducing the purge gas consumption, dry-down time, or both required for start-up and operation of a gas phase fluidized bed reactor system. The method involves contacting a stream of cycle gas having water and/or a polar hydrocarbon with an adsorbing material while the cycle gas is in a closed circulation loop.