Patent details

Basic Information

Publication number:

EP2786979

PCT Application Number:

PCT/JP/2012/080609

Type:

European Patent Granted for LU

Legal Status:

Lapsed

Application number:

EP128529997

PCT Publication Number:

WO/2013/080967

First applicant's nationality:

Translation Language:

EPO Publication Language:

Not available

English Title of Invention:

METHOD FOR PURIFYING 1,3-BUTADIENE

French Title of Invention:

PROCÉDÉ DE PURIFICATION DU 1,3-BUTADIÈNE

German Title of Invention:

VERFAHREN ZUR REINIGUNG VON 1,3-BUTADIEN

SPC Number:

Dates

Filing date:

27/11/2012

Grant date:

03/02/2016

EP Publication Date:

03/02/2016

PCT Publication Date:

06/06/2013

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

08/10/2014

EP B1 Publication Date:

03/02/2016

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

27/11/2016

Expiration date:

27/11/2032

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

27/11/2012

 

 

Name:

Asahi Kasei Chemicals Corporation

Address:

1-105 Kanda Jinbocho Chiyoda-ku, Tokyo 101-8101, Japan (JP)

Inventor

1

Name:

NAKAHARA Tatsuto

Address:

Japan (JP)

2

Name:

NAKANO Hiroshi

Address:

Japan (JP)

Priority

Priority Number:

2011259130

Priority Date:

28/11/2011

Priority Country:

Japan (JP)

Classification

Main IPC Class:

C07C 7/10;

Annual Fees

Annual Fee Due Date:

Annual Fee Number:

Expected Payer:

Last Annual Fee Payment Date:

Last Annual Fee Paid Number:

Payer:

Filing date	Document type	Number of pages