Patent details

Basic Information

Publication number:

EP0271161

PCT Application Number:

Type:

European Patent Granted for LU

Legal Status:

Lapsed

Application number:

EP872024245

PCT Publication Number:

First applicant's nationality:

Translation Language:

EPO Publication Language:

English

English Title of Invention:

Process for purifying oxalic acid diamide.

French Title of Invention:

Procédé de purification du diamide de l'acide oxalique.

German Title of Invention:

Verfahren zur Reinigung von OxalsÄurediamid.

SPC Number:

Dates

Filing date:

07/12/1987

Grant date:

16/10/1991

EP Publication Date:

16/10/1991

PCT Publication Date:

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

15/06/1988

EP B1 Publication Date:

16/10/1991

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

07/12/1997

Expiration date:

07/12/2007

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

07/12/1987

 

 

Name:

ENICHEM ANIC SRL

Address:

VIA RUGGERO SETTIMO 55, 90139, PALERMO, Italy (IT)

Agent

Name:

Office FREYLINGER S.A.

From:

16/10/1991

Address:

PO Box 48, 8001, STRASSEN, Luxembourg (LU)

To:

Inventor

1

Name:

Lorenzoni Loreno

Address:

Italy (IT)

2

Name:

Bruzzi Vittorio

Address:

Italy (IT)

3

Name:

Messina Giuseppe

Address:

Italy (IT)

Priority

Priority Number:

2263886

Priority Date:

11/12/1986

Priority Country:

Italy (IT)

Classification

Main IPC Class:

C07C 231/00;

Filing date	Document type	Number of pages