Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-01-01
2008-01-01
McKenzie, Thomas (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S264000, C549S266000, C549S268000, C549S273000, C549S275000, C549S295000, C549S297000
Reexamination Certificate
active
10337441
ABSTRACT:
Alpha-methylenelactone is produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid.
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http://www.nd.edu/˜enviro/supercritical.html.
http://www.chem.leeds.ac.uk/People/CMR/props.html.
Hutchenson Keith W.
Manzer Leo E.
Covington Raymond
Deitch Gerald E.
E. I. duPont de Nemours & Co.
McKenzie Thomas
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