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. 03, 2005
Filed:
May. 27, 1999
Applicants:
Klaus Akilles Lunden, Kokkedal, DK;
Ib Attrup, Greve, DK;
Jens Toftelund Madsen, Søborg, DK;
Inventors:
Assignee:
J. M. Huber Denmark ApS, Vallensbaek, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H023/12 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of colloidal PCC having a BET surface area of 10-100 m/g is used as a filter in the paper to achieve a desired porosity of the paper; as well as paper containing colloidal PCC as filler, and a pigment mixture suitable for paper manufacture and containing colloidal PCC.