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. 16, 2006
Filed:
Apr. 07, 2003
Applicant:
Kari Luukkonen, Raisio, FI;
Inventor:
Kari Luukkonen, Raisio, FI;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/42 (2006.01); C08H 89/00 (2006.01); C08L 3/00 (2006.01); C09B 67/00 (2006.01); D21H 29/54 (2006.01); C08F 283/08 (2006.01); C08L 73/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The object of the present invention is an additive composition for paper making which is added to the pulp prior to web formation in order to increase the wet strength of the web. The basic component of the composition is a component made from starch, which to its molecular weight has been thinned to a viscosity level of 10 to 400 (5%, 60° C., Brookfield) which by solution cationizing using a quaternary nitrogen compound is cationized to a charge of <4 mEkv/g, the composition containing at least one additional component selected from