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US 2012/0073774 A1Published application
Method for reducing deposits in the drying section in the manufacture of paper, paperboard, and cardboard
AssigneeBASF SE
InventorsChristian Jehn-Rendu, Geert Andre Leon Vanhyfte
Life of this patent
Estimating the term…
Abstract
A process for reducing deposits in the dry section in the production of paper, board and cardboard by adding (a) at least one water-soluble cationic polymer and (b) at least one aqueous dispersion of a polymer size to a paper stock, draining the paper stock with sheet formation and drying the paper products.
Claims20
A process for producing a paper products product with reduced deposits, the process comprising:
- adding a water-soluble cationic polymer (a) and an aqueous dispersion of a polymer size (b) to a paper stock,
- draining the paper stock, to obtain a sheet, and
- drying the sheet, to obtain a paper product.
Dependencies are inferred from the claim text.