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:
Jun. 12, 2001
Filed:
Oct. 28, 1999
Pascal Hennemann, Eu, FR;
SOFAB, , FR;
Abstract
A dispenser for substances packaged in the form of a liquid, cream, or gel, and particularly intended for cosmetic, dermatological, pharmaceutical, ophthalmic, or perfumery applications. The dispenser includes a tank (,) containing the substance (,) and is connected at one of its ends to a head provided with a pump (,) fitted with a fixing collar (,) and with a controlled shutter device for the vent (,) formed on the body (,) of the pump (,). The shutter device includes an air-permeable diffuser element (,) containing non-migratory agents for bacteriological and/or chemical treatment of air by contact. The diffuser element (,) is engaged on the pump body (,) and held by leakproof peripheral radial clamping of at least one annular zone, and by its top portion being engaged in the fixing collar.