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:
Jul. 27, 1982
Filed:
Oct. 27, 1980
Applicant:
Inventors:
Conny B Bogentoft, Molndal, SE;
Curt H Appelgren, Frolunda, SE;
Assignee:
Aktiebolaget Hassle, Molndal, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 21 ; 424 16 ; 424 19 ; 424 20 ; 424 22 ; 424 31 ; 424 32 ; 424 33 ; 424 35 ; 424 38 ;
Abstract
A method of preparing a preparation made up by bodies comprising an active component in decreasing concentration towards the surface of the bodies. The method comprises coating a particle with a composition comprising the active component in a continuous coating operation whereby the concentration of the active component is decreased. The active component may be a drug, a pesticide or an agent having some other effect.