Patent · US Expired

Absorbent compositions

US4769414A · kind A · utility

8Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1986
Grant dateSep 6, 1988
Priority date
Expiry dateSep 8, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F251/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

YImproved liquid absorbent products comprising saponified polymers or copolymers or starch graft copolymers of 2-propenenitrile or 2-methyl-2-propenenitrile which exhibit a white appearance. The products are produced by the use of an oxidizing agent or a reducing agent or a combination of an oxidizing agent and a reducing agent.

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