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:
Nov. 14, 1989
Filed:
Oct. 01, 1987
Francoise Delevallee, Fontenay Sous Bois, FR;
Roger Deraedt, Pavillons Sous Bois, FR;
Josette Benzoni, Livry Gargan, FR;
Roussel Uclaf, Paris, FR;
Abstract
A method of inducing immunostimulating activity in warm-blooded animals comprising administering to warm-blooded animals an immunostimulating amount of at least one maleo-pimaric acid compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 together with the nitrogen to which they are attached form an optionally substituted saturated heterocycle optionally containing at least one other heteroatom, Y is selected from the group consisting of hydrogen, amino, alkyl of 1 to 5 carbon atoms optionally substituted with at least one hydroxy, dialkylamino with alkyl of 1 to 5 carbon atoms, alkoxy carbonyl of 2 to 5 carbon atoms, acyl of an organic carboxylic acid of 1 to 5 carbon atoms and ##STR2## X is an alkylene of 1 to 5 carbon atoms and R.sub.1 and R.sub.2 have the above definition.