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:
Apr. 02, 1996
Filed:
Mar. 14, 1994
Applicant:
Inventors:
Kenneth C Reibert, Baton Rouge, LA (US);
Gregg L Poppe, Midland, MI (US);
John G Green, Baton Rouge, LA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 84 ; 536 85 ; 536127 ; 536128 ;
Abstract
A process for recovering salable cellulose ether solids in an aqueous slurry from a reactor wherein such cellulose ether solids are produced, or in an aqueous slurry from a centrifuge or filter wherein a portion of the cellulose ether solids from the reactor have been removed, comprising flowing the slurry into a hydraulic cyclone at a temperature above the gel point of the cellulose ether solids in such slurry and under conditions which are tailored to the particular cellulose ether solids in the slurry and to the process by which these have been made.