Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2008-01-30
2011-11-08
Puttlitz, Karl J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
Reexamination Certificate
active
08053602
ABSTRACT:
Propionic acid is produced via the catalytic dehydration of glycerol in the presence of at least one transition metal catalyst.
REFERENCES:
patent: 2874187 (1959-02-01), Ohsol et al.
patent: 7612230 (2009-11-01), Shima et al.
patent: 7910771 (2011-03-01), Dubois et al.
Buchanan Ingersoll & Rooney P.C.
Puttlitz Karl J
Rhodia Poliamida E Especialidades Ltda
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