Patent · US Expired

Sizing of paper

US5969011A · kind A · utility

22Cited by
1References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1998
Grant dateOct 19, 1999
Priority date
Expiry dateFeb 3, 2018

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H21/24
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to an aqueous dispersion containing a cellulose-reactive sizing agent and a dispersant system comprising a low molecular weight cationic organic compound having a molecular weight less than 10,000 and an anionic stabilizer, its preparation and use in the production of paper. The invention further relates to a substantially water-free composition containing a cellulose-reactive sizing agent, a low molecular weight cationic organic compound having a molecular weight less than 10,000 and an anionic stabilizer, its preparation and use in the preparation of an aqueous dispersion of cellulose-reactive sizing agent.

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