Patent · US Expired

Ether phosphoric acid compound

US4093662A · kind A · utility

0Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1975
Grant dateJun 6, 1978
Priority date
Expiry dateOct 15, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B25/234
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A solid anhydrous crystalline compound of the formula H.sub.3 PO.sub.4 [(CH.sub.3).sub.2 CH].sub.2 O. The invention also provides a method of preparing phosphoric acid by evaporating diisopropyl ether off said anhydrous crystalline compound under reduced pressure.

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