Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2007-07-31
2007-07-31
Balasubramanian, Venkataraman (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C558S074000
Reexamination Certificate
active
11443293
ABSTRACT:
A method for preparing a melamine salt of pentaerypolyol phosphoric acid is provided. The method comprises the following steps of: ball milling a mixture of pentaerypolyol and phosphorus pentoxide (P2O5) under a solvent-free reacting environment to obtain a pentaerypolyol phosphoric acid, and ball milling a mixture of a pentaerypolyol phosphoric acid and melamine without organic solvent reacting environment to obtain a melamine salt of pentaerypolyol phosphoric acid.
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Lin Yu-Sheng
Ma Chong
Peng Yuen-Hsin
Su Wen-Chiung
Balasubramanian Venkataraman
Chung Shan Institute of Science and Technology
Rabin & Berdo P.C.
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