Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-07-18
2006-07-18
Saeed, Kamal A. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C558S260000
Reexamination Certificate
active
07078539
ABSTRACT:
The color of organic carbonate such as ethylene carbonate or propylene carbonate is substantially improved by ultraviolet irradiation.
REFERENCES:
patent: 4204956 (1980-05-01), Flatow
patent: 5962699 (1999-10-01), Marquis
patent: 6042698 (2000-03-01), Beckett et al.
patent: 6384240 (2002-05-01), Machac et al.
Galick Paul E.
Ruszkay Jude T.
Barker Michael P.
Long William C.
Lyondell Chemical Technology, L.P.
Saeed Kamal A.
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