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: 158 081 232 patent documents

This week's update (23/08/2024 12:00 CET):

176 880 new documents added

1 259 676 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

EP 0903435 B1 20040225 - Waterproofing membrane and the method for its manufacture

Title (en)

Waterproofing membrane and the method for its manufacture

Title (de)

Wasserdichte Membran und Verfahren zu dessen Herstellung

Title (fr)

Membrane d'étanchéité et procédé pour sa fabrication

Publication

EP 0903435 B1 20040225 (EN)

Application

EP 98117400 A 19980914

Priority

IT VR970085 A 19970917

Abstract (en)

[origin: EP0903435A2] Waterproofing membrane comprising a core and three different layers of waterproofing material applied to the core in three separate successive stages and process for its manufacture. <IMAGE>

IPC 1-7

D06N 7/00; D06N 5/00

IPC 8 full level

D06N 5/00 (2006.01); D06N 7/00 (2006.01)

CPC (source: EP)

D06N 5/00 (2013.01); D06N 7/00 (2013.01)

Designated contracting state (EPC)

BE DE GB IT NL PT SE

DOCDB simple family (publication)

EP 0903435 A2 19990324; EP 0903435 A3 20010502; EP 0903435 B1 20040225; DE 69821847 D1 20040401; IT 1296530 B1 19990702; IT VR970085 A1 19990317

DOCDB simple family (application)

EP 98117400 A 19980914; DE 69821847 T 19980914; IT VR970085 A 19970917