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:
Aug. 29, 2023
Filed:
Dec. 20, 2018
Essentra Filter Products Development Co. Pte. Ltd., Singapore, SG;
Paul Melia, Bangkok, TH;
Andorn Meesreedee, Bangkok, TH;
Suwit Prommetta, Bangkok, TH;
Noppon Verachiowchanchai, Bangkok, TH;
Patrick Meredith, Auckland, NZ;
Essentra Filter Products Development Co. Pte. Ltd., Singapore, SG;
Abstract
A mouthpiece or filter element comprising a longitudinally extending hollow rod of filtering material having inner and outer surfaces, the inner surface defining at least one longitudinally extending channel which extends along the full length of the mouthpiece or filter element, wherein the distance between the inner and outer surfaces is 1 mm or less, wherein the filtering material of the mouthpiece or filter element comprises a plasticiser, wherein the amount of plasticiser present in the filtering material is less than 21.5%.