Patent · US Expired

Granulation and drying aids for polymeric gels

US4339373A · kind A · utility

8Cited by
9References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 6, 1980
Grant dateJul 13, 1982
Priority date
Expiry dateFeb 6, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2300/14
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Polymeric soaps prepared from copolymers of hydrophobic monomers and hydrophilic monomers are useful as granulation and/or drying aids for polymeric gels, especially those gels of polyacrylamide.

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