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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 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 0121765 A2 19841017 - Process for forming image.

Title (en)

Process for forming image.

Title (de)

Verfahren zur Herstellung von Bildern.

Title (fr)

Procédé de formation d'images.

Publication

EP 0121765 A2 19841017 (EN)

Application

EP 84102384 A 19840305

Priority

JP 3790283 A 19830308

Abstract (en)

A process for forming an image by imagewise forming a mobile dye by heating in a substantially waterfree condition and transferring the dye into a dye fixing layer using water. The amount of water used to transfer the dye is within the range from 0.1 time the total weight of all coatings to the difference obtained by subtracting the total weight of all coatings from the weight of water corresponding to the maximum swollen volume of all coatings.

IPC 1-7

G03C 1/02; G03C 5/54

IPC 8 full level

G03C 7/00 (2006.01); G03C 8/40 (2006.01)

CPC (source: EP)

G03C 7/00 (2013.01); G03C 8/4013 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0121765 A2 19841017; EP 0121765 A3 19841128; JP H0374376 B2 19911126; JP S59164551 A 19840917

DOCDB simple family (application)

EP 84102384 A 19840305; JP 3790283 A 19830308