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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 documents amended

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EP 0836719 A1 19980422 - SYSTEM AND METHOD FOR ON-SITE MIXING OF ULTRA-HIGH-PURITY CHEMICALS FOR SEMICONDUCTOR PROCESSING

Title (en)

SYSTEM AND METHOD FOR ON-SITE MIXING OF ULTRA-HIGH-PURITY CHEMICALS FOR SEMICONDUCTOR PROCESSING

Title (de)

VERFAHREN UND SYSTEM ZUM ÖRTLICHEN MISCHEN VON EXTREM HOCHREINEN CHEMIKALIEN FÜR DIE HALBLEITERHERSTELLUNG

Title (fr)

SYSTEME ET PROCEDE DE MELANGE IN SITU DE PRODUITS CHIMIQUES A PURETE ULTRAELEVEE POUR L'ELABORATION DE SEMI-CONDUCTEURS

Publication

EP 0836719 A1 19980422 (EN)

Application

EP 96919439 A 19960605

Priority

US 9610389 W 19960605
US 9507649 W 19950605
US 49956295 A 19950707
US 61272996 A 19960308
US 1810495 P 19950707
US 1782896 P 19960308

IPC 1-7

G05D 11/13

IPC 8 full level

G05D 11/13 (2006.01)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0836719 A1 19980422; EP 0836719 A4 19990818

DOCDB simple family (application)

EP 96919439 A 19960605