Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2011-08-16
2011-08-16
Kumar, Shailendra (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C424S009452, C156S073100, C204S157150
Reexamination Certificate
active
07999135
ABSTRACT:
This invention relates to the manufacture of iodixanol (1,3-bis(acetamido)-N,N′-bis[3,5-bis (2,3-dihydroxypropylaminocarbonyl)-2,4,6-triiodophenyl]-2-hydroxypropane), more specifically to the purification of iodixanol by crystallization by using ultrasound.
REFERENCES:
patent: 99/18054 (1999-04-01), None
patent: 03101578 (2003-12-01), None
patent: 2007051774 (2007-05-01), None
patent: 2007/064220 (2007-06-01), None
GE Healthcare AS
Kumar Shailendra
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