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: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 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 0761460 B1 19990506 - Ink jet recording sheet

Title (en)

Ink jet recording sheet

Title (de)

Tintenstrahlaufzeichnungsblatt

Title (fr)

Feuille pour l'impression par jet d'encre

Publication

EP 0761460 B1 19990506 (EN)

Application

EP 96305816 A 19960807

Priority

JP 20117495 A 19950807
JP 20117595 A 19950807

Abstract (en)

[origin: EP0761460A2] An ink jet recording sheet comprising a substrate, and a layer of a polymer composition laminated on the substrate. The polymer composition comprises: (A) 100 parts by weight of a water-soluble polymer, (B) from 1.0 to 30 parts by weight of a polymer of a monomer which is sparingly soluble in water and which has at least three ethylenically unsaturated groups in the molecule, and (C) from 0 to 20 parts by weight of a fluorine-containing surfactant or a silicone oil.

IPC 1-7

B41M 5/00

IPC 8 full level

B41M 5/52 (2006.01)

CPC (source: EP)

B41M 5/5254 (2013.01); B41M 5/529 (2013.01)

Designated contracting state (EPC)

CH DE FR GB LI

DOCDB simple family (publication)

EP 0761460 A2 19970312; EP 0761460 A3 19970910; EP 0761460 B1 19990506; DE 69602325 D1 19990610; DE 69602325 T2 19991216

DOCDB simple family (application)

EP 96305816 A 19960807; DE 69602325 T 19960807