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:
Jun. 03, 1997
Filed:
Sep. 01, 1995
Applicant:
Inventor:
Jack M Kleinfeld, Bronx, NY (US);
Assignee:
Champion International Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
222590 ; 222593 ; 266236 ;
Abstract
A method for shutting down and starting up a chemical recovery process of the type comprising burning concentrated black liquor in the furnace of a recovery boiler to produce a flue gas and a hot molten smelt in the bottom of said furnace and discharging the hot molten smelt in a continuous yet variable quantity via a smelt spout into a dissolving tank partially filled with an aqueous solution, said method comprising: