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: 159 361 214 patent documents

This week's update (25/10/2024 12:00 CET):

149 148 new documents added

988 023 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 0691945 A1 19960117 - A COATING FOR PROTECTING A CARBON-CARBON COMPOSITE FROM OXIDATIVE DEGRADATION

Title (en)

A COATING FOR PROTECTING A CARBON-CARBON COMPOSITE FROM OXIDATIVE DEGRADATION

Title (de)

BESCHICHTUNG ZUM SCHUTZ EINES KOHLENSTOFF-KOHLENSTOFF-KOMPOSITES VOT OXIDATIVEM ABBAU

Title (fr)

REVETEMENT POUR PROTEGER UN COMPOSITE CARBONE-CARBONE DE LA DEGRADATION PAR OXYDATION

Publication

EP 0691945 A1 19960117 (EN)

Application

EP 93912106 A 19930401

Priority

CA 2023379 A 19900816
US 9303095 W 19930401

IPC 1-7

C04B 41/82; C03C 14/00

IPC 8 full level

C03C 14/00 (2006.01); C04B 41/82 (2006.01)

Citation (search report)

See references of WO 9422788A1

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0691945 A1 19960117

DOCDB simple family (application)

EP 93912106 A 19930401