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

GPI key values

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EP 0932607 A2 19990804 - PREPARATION OF 3-ALKYLTETRAHYDROFURANS

Title (en)

PREPARATION OF 3-ALKYLTETRAHYDROFURANS

Title (de)

HERSTELLUNG VON 3-ALKYLTETRAHYDROFURANE

Title (fr)

PREPARATION DE 3-ALKYLTETRAHYDROFURANES

Publication

EP 0932607 A2 19990804 (EN)

Application

EP 97911763 A 19971021

Priority

US 9718731 W 19971021
US 2898096 P 19961021

IPC 1-7

C07D 307/00

IPC 8 full level

C07B 61/00 (2006.01); C07D 307/06 (2006.01); C07D 307/08 (2006.01)

CPC (source: EP)

C07D 307/06 (2013.01)

Citation (search report)

See references of WO 9817657A2

Designated contracting state (EPC)

CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0932607 A2 19990804; JP 2002515888 A 20020528

DOCDB simple family (application)

EP 97911763 A 19971021; JP 51950398 A 19971021