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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 documents amended

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EP 3418352 B1 20190619 - METHOD AND ARRANGEMENT FOR MIXING VISCOSITY INDEX IMPROVERS IN BASIC OILS

Title (en)

METHOD AND ARRANGEMENT FOR MIXING VISCOSITY INDEX IMPROVERS IN BASIC OILS

Title (de)

VERFAHREN UND ANORDNUNG ZUR EINMISCHUNG VON VISKOSITÄTSINDEX-VERBESSERERN IN GRUNDÖLE

Title (fr)

PROCEDE ET SYSTEME POUR MÉLANGER DES AGENTS D'AMÉLIORATION DE L'INDICE DE VISCOSITÉ DANS DES HUILES DE BASE

Publication

EP 3418352 B1 20190619 (DE)

Application

EP 17176937 A 20170620

Priority

EP 17176937 A 20170620

IPC 8 full level

B01F 3/12 (2006.01); B01F 5/10 (2006.01); C10M 177/00 (2006.01); C10N 30/02 (2006.01); C10N 70/00 (2006.01)

CPC (source: EP)

B01F 23/49 (2022.01); B01F 23/59 (2022.01); B01F 25/21 (2022.01); B01F 25/53 (2022.01); B01F 33/70 (2022.01); C10M 177/00 (2013.01); C10M 2205/02 (2013.01); C10N 2030/02 (2013.01); C10N 2070/00 (2013.01); C10N 2070/02 (2020.05)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3418352 A1 20181226; EP 3418352 B1 20190619

DOCDB simple family (application)

EP 17176937 A 20170620