Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Reexamination Certificate
2011-07-05
2011-07-05
Habte, Kahsay T (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
C544S073000
Reexamination Certificate
active
07973158
ABSTRACT:
This invention relates to a novel synthesis for the preparation of benzoxazine components from phenolic components, aldehyde components, and amine components in a solvent other than toluene.
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Burke et al. Journal of Organic Chemistry (1964), 29(4), 909-12.
Liu Puwei
Parker Eric A.
Taden Andreas J.
Wong Alex C.
Bauman Steven C.
Habte Kahsay T
Henkel AG & Co. KGaA
Henkel Corporation
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