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. 01, 2007
Filed:
Apr. 17, 2001
Applicants:
Mari Niinikoski, Rusko, FI;
Olof Malmstrom, Abo, FI;
Markku Nurminen, Raisio, FI;
Kenneth Sundberg, Abo, FI;
Claes Zetter, Abo, FI;
Inventors:
Mari Niinikoski, Rusko, FI;
Olof Malmstrom, Abo, FI;
Markku Nurminen, Raisio, FI;
Kenneth Sundberg, Abo, FI;
Claes Zetter, Abo, FI;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/14 (2006.01); C08K 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A modified filler used in the making of paper or the like, preparation of the filler and its use. The modified filler comprises a filler known as such, e.g. Calcium carbonate, kaolin, talc, titanium dioxide, sodium silicate and aluminum trihydrate or their mixture, and a hydrophobic polymer made of polymerisable monomers, which is added to the filler as a polymer dispersion or a polymer solution.