Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-12-06
2005-12-06
Aulakh, Charanjit S. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S049000
Reexamination Certificate
active
06972333
ABSTRACT:
A process for by oxidizing a quinacridone in a liquid medium with a non-metal oxidant producing a quinacridonequinone.
REFERENCES:
patent: 3148075 (1964-09-01), Ehrich
patent: 3185694 (1965-05-01), Jaffe et al.
patent: 3251845 (1966-05-01), Jaffe
patent: 3632588 (1972-01-01), Ehrich
patent: 4025518 (1977-05-01), Wriede
patent: 4693753 (1987-09-01), Spietschka et al.
patent: 4956464 (1990-09-01), Bender et al.
patent: 024892 (1980-08-01), None
patent: 0313965 (1989-05-01), None
patent: 1009792 (1965-11-01), None
patent: 1020068 (1966-02-01), None
patent: 1103750 (1968-02-01), None
patent: 124895 (1971-08-01), None
patent: 11-246784 (1999-09-01), None
patent: 11246784 (1999-09-01), None
Dong James Z.
Robertson George H.
Sung Edward H.
Aulakh Charanjit S.
Persley Sidney
Sun Chemical Corporation
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