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:
Sep. 10, 1991
Filed:
Feb. 01, 1989
George R Brown, Winslow, GB;
Michael J Smithers, Macclesfeild, GB;
Imperial Chemical Industries PLC, London, GB;
Abstract
The invention describes novel (2-styryl-, 2-naphthyl- and 2-phenethyl-4-o-hydroxyphenyl-1,3-dioxan-5-yl)alkenoic acids and related tetrazoles and sulphonamides, of the formula I wherein Q completes a benzene or pyridine ring, Y is vinylene, Z is carboxy, 1(H)-tetrazol-5-yl or a group of the formula --CO.NHSO.sub.2 R.sup.6, and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, A.sup.1, A.sup.2, n and m have the meanings defined in the specification, and pharmaceutically acceptable salts thereof, for use in conjunction with their pharmaceutical compositions in treating certain pulmonary and/or vascular disorders. The invention also describes various processes and intermediates for the manufacture of the novel compounds.