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

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EP 0889854 A4 19990922 - MODIFIED BIOMASS FOR METAL ADSORPTION

Title (en)

MODIFIED BIOMASS FOR METAL ADSORPTION

Title (de)

MODIFIZIERTE BIOMASSE ZUR METALLADSORPTION

Title (fr)

BIOMASSE MODIFIEE POUR ADSORPTION DE METAL

Publication

EP 0889854 A4 19990922 (EN)

Application

EP 97901251 A 19970206

Priority

IL 9700048 W 19970206
IL 11708096 A 19960208

Abstract (en)

[origin: WO9729053A1] A method for improving the metal adsorption properties of a biomass, comprising contacting the biomass to be modified with a water-insoluble aldehyde.

IPC 1-7

C02F 3/32; C02F 1/28

IPC 8 full level

C02F 1/28 (2006.01)

CPC (source: EP)

C02F 1/286 (2013.01)

Citation (search report)

[X] EP 0242135 A2 19871021 - AD2 LIMITED [GB]
[A] FR 2223078 A1 19741025 - HITACHI LTD [JP]
See references of WO 9729053A1

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 9729053 A1 19970814; EP 0889854 A1 19990113; EP 0889854 A4 19990922; IL 117080 A0 19960618

DOCDB simple family (application)

IL 9700048 W 19970206; EP 97901251 A 19970206; IL 11708096 A 19960208