Patent · US Active

Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of filler-containing papers

US8613833B2 · kind B2 · utility

0Cited by

7References

6Claims

0Family size

Assignee

BASF SE

Inventors

Juergen Schmidt-Thuemmes · Schifferstadt, DE
Anton Esser · Mannheim, DE
Joerg Nieberle · Monsheim, DE

Key dates

Filing date	Jun 30, 2009
Grant date	Dec 24, 2013
Priority date	—
Expiry date	Nov 1, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Aqueous slurries of finely divided fillers which are at least partly covered by anionic latices, the slurries being obtainable by treating aqueous slurries of finely divided fillers with at least one anionic latex with a glass transition temperature of −5 to −50° C., preparation of the aqueous slurries and their use as an additive to the paper stock in the production of filler-containing paper, filler-containing cardboard or filler-containing board by draining the paper stock.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.