Patent · US Active

Method for deaerating liquids

US8563640B2 · kind B2 · utility

0Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2011
Grant dateOct 22, 2013
Priority date
Expiry dateFeb 21, 2031

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21C3/28
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Efficient deaeration of aqueous suspensions such as those obtained during textile treatment or pulp and paper production is achieved by use of a combination of a polyoxypropylene polyether polymer or copolymer and branched polyether-polysiloxane copolymers.

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