Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2011-06-07
2011-06-07
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S811000
Reexamination Certificate
active
07956223
ABSTRACT:
A method for producing a halogen-substituted benzenedimethanol represented by the formula (2):wherein X1, X2, X3and X4are the same or different and each independently represent a hydrogen atom or a halogen atom, provided that X1, X2, X3and X4are not hydrogen atoms at the same time,by reacting a halogen-substituted terephthalic acid represented by the formula (1):wherein X1, X2, X3and X4are the same meanings as defined above,with a borohydride compound in an organic solvent, followed by contacting the obtained reaction mixture with hydrogen chloride at 40 to 70° C.
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Davis Brian J
Sughrue & Mion, PLLC
Sumitomo Chemical Company Limited
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