Title:
PROCESS FOR PREPARING MONOBASIC PYROPHOSPHATE MATERIALS
Document Type and Number:
WIPO Patent Application WO/2012/112721
Kind Code:
A3
Abstract:
The present invention relates to a process for preparing a material having the formula: ( MxHy)+4( P2O7)-4: where M is a cation selected from the group consisting of monovalent cations, divalent cations, and trivalent cations; H is hydrogen, P2O7is the pyrophosphate anion, and y is a number between 2.2 and 3.8; and x is a value sufficient to balance the overall charge of said compound comprising mixing and heating 105 - 1 12% polyphosphoric acid or pyrophosphoric and a compound having a monovalent metal cation or a compound having a divalent metal cation or a compound having a trivalent metal cation.
Inventors:
NEWBERN ANGELA (US)
FINN ROBERT CLYDE (US)
FINN ROBERT CLYDE (US)
Application Number:
PCT/US2012/025306
Publication Date:
November 22, 2012
Filing Date:
February 15, 2012
Export Citation:
Assignee:
INNOPHOS INC (US)
International Classes:
C07F9/06; C07F1/04; C07F1/06; C07F1/08
Foreign References:
| US20100260849A1 | 2010-10-14 | |||
| EP1743530A1 | 2007-01-17 | |||
| US5114704A | 1992-05-19 | |||
| US2332209A | 1943-10-19 |
Attorney, Agent or Firm:
WILL, Joanne, P. (Cranbury, NJ, US)
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