Global Patent Index - EP 1029461 A3

GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 155 395 919 patent documents

This week's update (26/04/2024 12:00 CET):

132 468 new documents added
1 248 785 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies
Use built-in charts to visualise technical trends and patenting activity of companies
Choose the data you want to see and download to focus on what you are interested in
Run data quality assessments to measure the risk of incomplete search results

More information

GPI user manual (PDF), free trial and subscription information are available on the EPO website

EP 1029461 A3 20010613 - Filter material for reducing harmful substances in tobacco smoke

Title (en)

Filter material for reducing harmful substances in tobacco smoke

Title (de)

Filtermaterial zur Reduzierung von Schadstoffen im Tabakrauch

Title (fr)

Matériau filtrant pour réduire les substances nocives dans la fumée de tabac

Publication

EP 1029461 A3 20010613 (DE)

Application

EP 00101831 A 20000129

Priority

DE 19906549 A 19990217

Abstract (en)

[origin: EP1029461A2] Filter is made of a material consisting of marble, activated charcoal, porous clay and/or zeolite.

IPC 1-7

A24D 3/06; A24D 3/10; A24D 3/16

IPC 8 full level

A24D 3/10 (2006.01); A24D 3/16 (2006.01)

CPC (source: EP)

A24D 3/10 (2013.01); A24D 3/16 (2013.01)

Citation (search report)

[DA] DE 1517272 A1 19700115 - DURAMA ETS
[DA] DE 2925001 A1 19810115 - FELDMUEHLE AG
[A] CH 149390 A 19310915 - ABSORBO HOLDING A G [CH]
[A] DE 1532221 B1 19700423 - LORILLARD CO P

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1029461 A2 20000823; EP 1029461 A3 20010613; CN 1267488 A 20000927; JP 2000236864 A 20000905

DOCDB simple family (application)

EP 00101831 A 20000129; CN 00102706 A 20000217; JP 2000038801 A 20000216