Patent · US Expired

Easily dispersible composition for water soluble polymer

US4409353A · kind A · utility

6Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1982
Grant dateOct 11, 1983
Priority date
Expiry dateJun 29, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2300/10
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An easily dispersible polymer composition which comprises a powder of a water soluble polymer having floculating property and a sodium sulfate hydrate, and optionally a magnesium sulfate hydrate and a hydroscopic agent and which shows a high degree of granularity and free-fluidity.

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