Patent · US Expired

Condensation polymerization of phosphorus containing compounds

US5951831A · kind A · utility

4Cited by
11References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 1997
Grant dateSep 14, 1999
Priority date
Expiry dateJul 11, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B25/39
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process of using microwave radiation to effect condensation polymerization of phosphorus oxyacids and their salts having at least two free hydroxyl groups attached to the same phosphorus atom.

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