Patent · US Expired

Cross-linked cationic polymeric microparticles

US5152903A · kind A · utility

31Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1991
Grant dateOct 6, 1992
Priority date
Expiry dateFeb 19, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S524/922
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Novel compositions comprising cationic polymeric microparticles are disclosed, along with a method for their production. The products are useful in flocculating a wide variety of dispersions of suspended solids.

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