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:
Jun. 25, 1991
Filed:
Jul. 05, 1989
Robert T Logan, Lanark, GB;
James Redpath, Bishopbriggs, GB;
George McGarry, Airdrie, GB;
Robert G Roy, Larkhall, GB;
Akzo N.V., Arnhem, NL;
Abstract
A method is provided for treating patients suffering from or susceptible to bronchoconstriction, particularly for patients suffering from an asthmatic attach which comprises the use of benzothiophene, benzofuran, dihydronaphthalene or indene derivatives represented by formula I ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently H, (1-4C) alkyl, (1-4C) halogen substituted alkyl, OH, (1-4C) alkoxy, (1-4C) halogen substituted alkoxy, NO.sub.2, CN, halogen, an unsubstituted or (1-4C) alkyl substituted amino group, or wherein two adjacent groups R.sup.1, R.sup.2, R.sup.3 or R.sup.4 together form methylenedioxy;