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:
Feb. 10, 1976
Filed:
Oct. 24, 1974
Jan Van Dijk, Weesp, NL;
Jenkins Eric Davies, Weesp, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
The invention relates to new compounds of formula I ##SPC1## and salts thereof with pharmaceutically acceptable acids, in which formula all the substituents may be hydrogen, while R.sub.1 and R.sub.2 may furthermore be a methyl group, R.sub.3 an alkyl group, an alkoxy-alkylene group, an alkylthioalkylene group, an alkylsulphoxyalkylene group or an alkylsulphonalkylene group having up to 8 carbon atoms or a benzyl group, and R.sub.4, R.sub.5 and R.sub.6 a halogen atom, an alkyl group, an alkoxy group or an alkylthio group having up to 6 carbon atoms, a benzyloxy group, --OH, --NH.sub.2, a mono- or dialkylamino group, in which the alkyl group(s) contain(s) 1 or 2 carbon atoms, --CN or --CF.sub.3, and two of the substituents R.sub.4, R.sub.5 and R.sub.6 may each represent a metanitro group or together a trimethylene group, a tetramethylene group, a methylene dioxy group, an ethylene dioxy group, a benzo group, a pyridino group, an indeno-1,2-, a 1,4-benzthiazino-2,3 group or a 1,4-benzoxthiino-2,3 group, with the exception of the HCl salt of the compound in which R.sub.5 and R.sub.6 each represent an orthochlorine atom and R.sub. 1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen.