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:
Jun. 25, 2024
Filed:
Apr. 12, 2018
Billerudkorsnas Ab, Solna, SE;
Johan Larsson, Gavle, SE;
BILLERUDKORSNAS AB, Solna, SE;
Abstract
There is provided a coated paperboard comprising a base board having a top side provided with a pigment coating, which pigment coating comprises a pigment mixture, a binder and a rheology modifier, wherein: the pigment mixture comprises, by dry weight, 0-17% of clay, 60-90% of a first CaCOpigment and 0-30% of a second CaCOpigment, provided that the amount of clay and second CaCOpigment combined is at least 10%; the dof the first CaCOpigment is 0.60-0.80μιτι and the dof the first CaCOpigment is at least 2.8μιτι; the dof the second CaCOpigment is 0.63±0.10μιτι and the dof the second CaCOpigment is less than 1.2μιτι; the binder comprises a styrene-butadiene copolymer or a styrene-acrylate copolymer; and the dry weight ratio of pigment to binder in the pigment coating is from 100:16 to 100:20.