Patent · US Expired

Paper size compositions

US4687519A · kind A · utility

35Cited by
12References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1985
Grant dateAug 18, 1987
Priority date
Expiry dateDec 20, 2005

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H17/28
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A paper size having the ability to be prepared under low shear conditions and having sizing properties superior to the sizes of the prior art may be prepared comprising water and 0.1 to 15% by weight of at least one hydrophobic sizing agent and 0.4 to 30% by weight of a jet cooked dispersion of a long chain alkyl derivative of starch or a dispersion of a corresponding gum derivative.

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