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:
May. 28, 2024
Filed:
Dec. 20, 2018
Applicant:
Zobele Holding, S.p.a., Trento, IT;
Inventors:
Assignee:
ZOBELE HOLDING, S.P.A., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 9/12 (2006.01); B01D 50/00 (2022.01);
U.S. Cl.
CPC ...
A61L 9/12 (2013.01); B01D 50/00 (2013.01); A61L 2209/131 (2013.01);
Abstract
A device for diffusion of volatile substances that includes a container for containing volatile substances, including the container, an aperture defining a sealing area, and a multilayer structure placed on the aperture. The multilayer structure includes a microporous membrane through which the volatile substances are diffused and a barrier layer that is removed before a first use. The multilayer structure also includes a sealing portion in contact with the sealing area. A device with a microporous membrane where the porosity of the membrane at the portion of the sealing area has been substantially reduced or eliminated to stop liquid transportation.