The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 1984
Filed:
Oct. 14, 1982
Angelo Storni, Rheinfelden, CH;
Ciba-Geigy AG, Basel, CH;
Abstract
Compounds of the formula ##STR1## in which one of the symbols R.sub.1 and R.sub.2 represents an alkyl radical that has 3 or 4 carbon atoms and is unsaturated in the 2,3-position, and the other represents such a radical or lower alkyl, R.sub.3 and R.sub.4 each represents, independently of the other, hydrogen or methyl, and A represents a radical of the formula ##STR2## in which Z.sub.1, or each of Z.sub.2 and Z.sub.3 independently of the other, represents hydrogen or lower alkyl, or Z.sub.2 and Z.sub.3 together represent lower alkylene, and salts of such compounds in which Z.sub.1, or Z.sub.3 and optionally also Z.sub.2, represent(s) hydrogen, exhibit tumor-inhibiting activities.