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. 25, 2021
Filed:
Oct. 21, 2016
Applicant:
Axagarius Gmbh & Co. KG, Düren, DE;
Inventors:
Markus Meusel, Würselen, DE;
Christian Prokisch, Düren, DE;
Assignee:
AXAGARIUS GMBH & CO. KG, Düren, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24C 5/34 (2006.01); D21H 27/08 (2006.01); G01N 25/00 (2006.01); G01N 33/34 (2006.01); D21H 27/00 (2006.01);
U.S. Cl.
CPC ...
A24C 5/34 (2013.01); D21H 27/00 (2013.01); D21H 27/08 (2013.01); G01N 25/00 (2013.01); G01N 33/34 (2013.01);
Abstract
The present invention relates to a cellulose filter paper for testing the ignition propensity of cigarette paper that is provided with a marking with which the rough surface of the filter paper can be distinguished from the smooth surface, and a method for its production, a method for testing the ignition propensity of cigarette paper, and a kit having a plurality of such filter papers or stacks of such filter papers.