CA3135683CCA3135683ACA3135683ACA3135683CCA 3135683 CCA3135683 CCA 3135683CCA 3135683 ACA3135683 ACA 3135683ACA 3135683 ACA3135683 ACA 3135683ACA 3135683 CCA3135683 CCA 3135683C
Authority
CA
Canada
Prior art keywords
smoking article
paper wrapper
article according
filter
paper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from GBGB1904890.9Aexternal-prioritypatent/GB201904890D0/en
Application filed by British American Tobacco Investments LtdfiledCriticalBritish American Tobacco Investments Ltd
Publication of CA3135683A1publicationCriticalpatent/CA3135683A1/fr
Application grantedgrantedCritical
Publication of CA3135683CpublicationCriticalpatent/CA3135683C/fr
L'invention concerne un article à fumer dans lequel l'article à fumer comprend un matériau de tabac enveloppé dans une enveloppe de papier pour former une tige de tabac, et l'enveloppe de papier ayant une diffusivité comprise entre environ 0,1 cm/s et 0,5 cm/s et une perméabilité inférieure à environ 15 CU, et un procédé de fabrication de l'article à fumer.
CA3135683A2019-04-052020-03-24Article a fumer
ActiveCA3135683C
(fr)