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:
Sep. 29, 2020
Filed:
Dec. 07, 2011
Alfredo Vanni, Turin, IT;
Alberto Cabilli, Turin, IT;
Marco Mandelli, Turin, IT;
Luigi Lavazza S.p.A., Turin, IT;
Abstract
A cartridge () containing a dose () of at least one substance, such as powdered coffee, for preparing a liquid product by means of liquid and/or steam introduced at a given temperature into the cartridge () comprises a casing () containing the aforesaid dose () with a side wall () and a bottom wall () through which the liquid product flows out from the cartridge (). The aforesaid bottom wall () has a layered structure with: at least one layer () made of a first compostable material designed to undergo softening and/or melting at a temperature ranging between 70° C. and 120° C.; and—at least one layer () made of a second compostable material that does not undergo appreciable softening and/or melting at said temperature.