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:
Nov. 22, 2011
Filed:
Jun. 09, 2008
Applicants:
Edoardo Bertassi, Trento, IT;
David Moreno, Cerdanyola del Valles, ES;
José Antonio Muñoz, Cerdanyola del Valles, ES;
Cedric Morhain, Cerdanyola del Valles, ES;
Inventors:
Edoardo Bertassi, Trento, IT;
David Moreno, Cerdanyola del Valles, ES;
José Antonio Muñoz, Cerdanyola del Valles, ES;
Cedric Morhain, Cerdanyola del Valles, ES;
Assignee:
Zobele Holding Spa, Trento, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention refers to a volatile substance diffuser based on permeable membrane with a closure where a solid wall is applied to or separated from the membrane to stop or allow evaporation, respectively. The shape of the membrane is adapted to compensate possible vacuum inside the container.