Patent · US Expired

Non-aqueous suspension concentrates of highly water-soluble solids

US5906962A · kind A · utility

23Cited by
30References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1997
Grant dateMay 25, 1999
Priority date
Expiry dateSep 10, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0391
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Stable, concentrated non-aqueous suspensions of water-soluble solids are prepared by using a water soluble active compound comprising water hydratable polysaccharides, biocides, fertilizers and mixtures thereof dispersed in water-miscible organic liquid carriers, preferably lower alkadiols in conjunction with a specific three component surfactant system, i.e., a system comprising a nonionic polymeric viscosity modifier surfactant; an anionic surfactant; and a nonionic surfactant having a bulky hydrophobic substituent group.

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