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.

Date of Patent:
Apr. 23, 2002

Filed:

Jun. 05, 2000
Applicant:
Inventors:

Adrian P. Kightlinger, Muscatine, IA (US);

Stuart W. Mabee, Medina, OH (US);

Assignee:

Grain Processing Corporation, Muscatine, IA (US);

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

Disclosed is a method for derivatizing a malto-oligosaccharide. The method includes the steps of providing the malto-oligosaccharide and derivatizing the malto-oligosaccharide in an aqueous medium with a cationic agent to form a derivatized malto-oligosaccharides. Malto-oligosaccharides having a high DS sufficient to render the derivatized product suitable for use as a trash scavenger are attainable in accordance with the present inventive method. Also disclosed are a method for trash scavenging, a process for preparing a paper web, in which anionic trash is scavenged prior to withdrawing a paper web from a pulp furnish; and a paper web prepared in accordance with the present inventive process.


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