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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 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 0321713 B1 19930310 - PRODUCTION OF HIGH DENSITY JET FUEL FROM COAL LIQUIDS

Title (en)

PRODUCTION OF HIGH DENSITY JET FUEL FROM COAL LIQUIDS

Publication

EP 0321713 B1 19930310 (EN)

Application

EP 88119449 A 19881123

Priority

US 13540187 A 19871221

Abstract (en)

[origin: EP0321713A2] A high density jet fuel is produced from a coal derived heavy liquid by hydrocracking to produce an effluent having a vapor fraction which includes distillates which boil below about 400 DEG C; followed by denitrification of the vapor fraction and hydrogenation of aromatics.

IPC 1-7

C10G 1/00; C10G 65/12

IPC 8 full level

C10G 65/12 (2006.01)

CPC (source: EP)

C10G 65/12 (2013.01)

Designated contracting state (EPC)

DOCDB simple family (publication)

EP 0321713 A2 19890628; EP 0321713 A3 19900207; EP 0321713 B1 19930310; DE 3879132 D1 19930415

DOCDB simple family (application)

EP 88119449 A 19881123; DE 3879132 T 19881123