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:
Aug. 20, 2002
Filed:
Jun. 06, 2000
Applicant:
Inventors:
Marc Charles Florent Berckmans, Brussels, BE;
Detlev Glittenberg, Krefeld, DE;
Johannes Felix Hintermayer, Xanten, DE;
Assignee:
Cerestar Holding B.V., La Sas Van Gent, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 1/729 ; C08B 3/100 ;
U.S. Cl.
CPC ...
D21H 1/729 ; C08B 3/100 ;
Abstract
A method for preparing a cationic cross-bonding reagent wherein the amount of cross-bonding impurities is determined and a certain quantity of a cross-bonding agent is added. This cationic cross-bonding reagent is used in a process for preparing cationic cross-bonded starches with tailor-made viscosity and excellent viscosity stability. Products with tailor-made viscosity can be used according to their need in specific applications in the wet-end of papermaking.