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:
Feb. 05, 2002
Filed:
Apr. 13, 2000
Method of and a device for dry application of substances on inhalable pulverulent carrier substances
Gerhard Scheuch, Gemünden, DE;
Knut Sommerer, München, DE;
GSF Forshungszentrum fur Umwelt und Ges, Obersshleibheim, DE;
Abstract
For maintaining the inhalable pulverulent carrier substances and their properties when marker substances and/or active substances are applied, initially the substance to be applied is dissolved in a liquid, then the fluid is vaporized and finally the aerosol droplets are dried for forming aerosol particles whereupon the aerosol particles are whirled for being contacted with the pulverulent substance. The associated device comprises an aerosol generator including on the nozzle-type, ultrasonic or other vaporizer for the substance to be applied, which is dissolved in a liquid, and a drying means for drying the aerosol particles so formed. Moreover, a mixing chamber is provided for receiving pulverulent carrier substance and for establishing a whirling contact thereof with dry aerosol particles circulated and introduced therein.