Title:
METHOD FOR PRODUCING PYROPHOSPHATE
Document Type and Number:
WIPO Patent Application WO/2012/032728
Kind Code:
A1
Abstract:
The present invention is a method for producing high purity pyrophosphate characterized by burning orthophosphate under temperature conditions of 120°C-350°C, in particular, a method suitable for efficiently producing high purity melamine pyrophosphate.
Inventors:
KAMIMOTO TETSUO (JP)
KANEDA TAKAYOSHI (JP)
KINOSHITA HITOSHI (JP)
NAKANO SHINJI (JP)
ISHII SUSUMU (JP)
KANEDA TAKAYOSHI (JP)
KINOSHITA HITOSHI (JP)
NAKANO SHINJI (JP)
ISHII SUSUMU (JP)
Application Number:
PCT/JP2011/004726
Publication Date:
March 15, 2012
Filing Date:
August 25, 2011
Export Citation:
Assignee:
ADEKA CORP (JP)
KAMIMOTO TETSUO (JP)
KANEDA TAKAYOSHI (JP)
KINOSHITA HITOSHI (JP)
NAKANO SHINJI (JP)
ISHII SUSUMU (JP)
KAMIMOTO TETSUO (JP)
KANEDA TAKAYOSHI (JP)
KINOSHITA HITOSHI (JP)
NAKANO SHINJI (JP)
ISHII SUSUMU (JP)
International Classes:
C01B25/42; C07D251/56; C07F9/22
Foreign References:
| US3920796A | 1975-11-18 | |||
| JPS4925675A | 1974-03-07 | |||
| US4950757A | 1990-08-21 |
Other References:
IKUTARO TAYAMA ET AL.: "Phosphate no Kagaku to Riyo", KABUSHIKI KAISHA KAGAKU KOGYO SHA, 1 March 1969 (1969-03-01), pages 141
See also references of EP 2615061A4
"Mitsui Mining Co., Ltd.", 2009, NIPPON COKE & ENGINEERING CO., LTD.
See also references of EP 2615061A4
"Mitsui Mining Co., Ltd.", 2009, NIPPON COKE & ENGINEERING CO., LTD.
Attorney, Agent or Firm:
TAKITA, Seiki et al. (JP)
Seiki Takita (JP)
Seiki Takita (JP)
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Claims:
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