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:
Apr. 02, 1985
Filed:
Jun. 02, 1982
Applicant:
Inventor:
Antonius L Van Wezel, Bilthoven, NL;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 89 ; 435238 ;
Abstract
The invention relates to virus vaccines and to a process for the preparation thereof especially to polio virus vaccines and other picorna virus vaccines, such as foot-and-mouth disease vaccine. The invention provides vaccines which are stabilized and show an improved activity by the addition of compounds of formula I of the formula sheet, in which R.sub.1 en R.sub.2 each represent an alkyl- or alkoxy group of not more than 6 carbon atoms, preferably not more than 4 carbon atoms,