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Details for Patent: 5,521,184

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Summary for Patent: 5,521,184

Title: Pyrimidine derivatives and processes for the preparation thereof
Abstract:There are described N-phenyl-2-pyrimidine-amine derivatives of formula I ##STR1## wherein R.sub.1 is 4-pyrazinyl, 1-methyl-1H-pyrrolyl, amino- or amino-lower alkyl-substituted phenyl wherein the amino group in each case is free, alkylated or acylated, 1H-indolyl or 1H-imidazolyl bonded at a five-membered ring carbon atom, or unsubstituted or lower alkyl-substituted pyridyl bonded at a ring carbon atom and unsubstituted or substituted at the nitrogen atom by oxygen, R.sup.2, R.sup.3, R.sup.9, X, Y, n and R.sup.10 are defined in claim 1 These compounds can be used, for example, in the therapy of tumoral diseases.
Inventor(s): Zimmermann; Jurg (Wallbach, CH)
Assignee: Ciba-Geigy Corporation (Tarrytown, NY)
Application Number:08/234,889
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

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Foreign Priority and PCT Information for Patent: 5,521,184

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland1083/92Apr 03, 1992
Switzerland2966/93Oct 01, 1993

International Patent Family for Patent: 5,521,184

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria188964► subscribe
Australia3569493► subscribe
Australia666709► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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