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:
Aug. 01, 2000
Filed:
May. 28, 1996
Nigel Robert Beeley, Thame, GB;
Thomas Andrew Millican, Maidenhead, GB;
Celltech Therapeutics Limited, Berkshire, GB;
Abstract
##STR1## Compounds of formula (1) are described wherein Y represents a halogen atom or a group --OR.sup.1 where R.sup.1 represents an optionally substituted alkyl group; R.sup.2 represents an optionally substituted cycloalkyl, cycloalkenyl or polycycloalkyl group; R.sup.3 represents a hydrogen atom or an alkyl, aryl or aralkyl group; R.sup.4 represents an aryl or heteroaryl group; X represents --O--, --S--, --CH.sub.2 -- or --N(R.sup.5)--, where R.sup.5 is a hydrogen atom or an alkyl group; n is zero or an integer or value 1, 2 or 3; and the salts, solvates and hydrates thereof. The compounds are selective phosphodiesterase IV inhibitors and are useful for the prophylaxis or treatment of inflammatory diseases.