Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-01-12
2009-12-01
Wilson, James O. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C544S293000
Reexamination Certificate
active
07625911
ABSTRACT:
The present invention relates to novel amorphous form of [6,7-Bis(2-methoxy-ethoxy)-quinazolin-4-yl]-(3-ethynyl-phenyl) (erlotinib hydrochloride), to solid amorphous dispersion of erlotinib hydrochloride and a carrier such as PVP or solid PEG, to processes for their preparations, to pharmaceutical compositions containing them and to method of treatment using the same. The amorphous form or solid amorphous dispersion of erlotinib hydrochloride obtained in this invention is useful in preparing pharmaceutical dosage forms.
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Mai De Ltd.
Truong Tamthom N
Wilson James O.
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