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:
Mar. 09, 2021
Filed:
Jun. 12, 2014
Applicant:
Essentra Filter Products Development Co. Pte. Ltd, Singapore, SG;
Inventors:
Ahmad Fashihul Lisan, Sidoarjo, ID;
Roy Alingalan, Sidoarjo, ID;
Sulistyo Widodo, Sidoarjo, ID;
Antony Mccormack, Heddon on the Wall, GB;
Assignee:
ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD, Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D 3/14 (2006.01); A24D 3/04 (2006.01); A24D 3/02 (2006.01);
U.S. Cl.
CPC ...
A24D 3/14 (2013.01); A24D 3/0229 (2013.01); A24D 3/0275 (2013.01); A24D 3/0279 (2013.01); A24D 3/04 (2013.01);
Abstract
A tobacco smoke filter or filter element including a longitudinally extending core of tobacco smoke filtering material of circumference 14 to 17 mm which includes a channel which extends longitudinally from an end of the core; wherein the core further includes a plasticiser in an amount of 17 to 19% by weight of the tobacco smoke filtering material.