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. 21, 2002
Filed:
Aug. 12, 1999
Applicant:
Inventors:
Tatjana Poggi, Saal, DE;
Geza Hidasi, Regensburg, DE;
Assignee:
Acordis Kelheim GmbH, Kelheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 9/00 ; C08B 9/02 ; C08B 9/06 ;
U.S. Cl.
CPC ...
C08B 9/00 ; C08B 9/02 ; C08B 9/06 ;
Abstract
A process for producing viscose wherein the caustic soda used previously in the alkalization of electron-untreated cellulose can be used in the alkalization of electron-treated cellulosic material, provided the level of dispersed solids in the caustic soda does not exceed 0.16 g/l.