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EP 0121436 A2 19841010 - Tobacco filter.

Title (en)

Tobacco filter.

Title (de)

Tabakfilter.

Title (fr)

Filtre à tabac.

Publication

EP 0121436 A2 19841010 (EN)

Application

EP 84302230 A 19840330

Priority

JP 6048783 A 19830405
JP 6048883 A 19830405

Abstract (en)

For the removal of harmful and hazardous substances, particularly suspected carcinogens, contained in tobacco smoke, a tobacco filter is proposed which contains a phthalocyanine compound, with or without a highly water-absorbing material, in the conventional material of a tobacco filter.

IPC 1-7

A24D 3/14; A24D 3/08

IPC 8 full level

A24D 3/08 (2006.01); A24D 3/14 (2006.01)

CPC (source: EP)

A24D 3/08 (2013.01); A24D 3/14 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0121436 A2 19841010; EP 0121436 A3 19851121; AU 2613384 A 19841011; BR 8401575 A 19841113; DK 178484 A 19841006; DK 178484 D0 19840404; NO 841332 L 19841008

DOCDB simple family (application)

EP 84302230 A 19840330; AU 2613384 A 19840327; BR 8401575 A 19840404; DK 178484 A 19840404; NO 841332 A 19840404