Patent details

Basic Information

Publication number:

EP0275821

PCT Application Number:

Type:

European Patent Granted for LU

Legal Status:

Expired

Application number:

EP878106640

PCT Publication Number:

First applicant's nationality:

Translation Language:

EPO Publication Language:

German

English Title of Invention:

Substituted alkanediphosphonic acids.

French Title of Invention:

Acides alcanediphosphoniques substitués.

German Title of Invention:

Neue substituierte AlkandiphosphonsÄuren.

SPC Number:

90838

Dates

Filing date:

16/11/1987

Grant date:

26/02/1992

EP Publication Date:

26/02/1992

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:

27/07/1988

EP B1 Publication Date:

26/02/1992

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

Expiration date:

16/11/2007

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

26/02/1997

 

 

Name:

NOVARTIS AG

Address:

LICHTSTRASSE 35, 4056, BASEL, Switzerland (CH)

History of Owners

From:

16/11/1987

To:

25/02/1997

Name:

CIBA-GEIGY AG

Address:

KLYBECKSTRASSE 141, 4002, BASEL, Switzerland (CH)

Agent

1

Name:

OFFICE FREYLINGER S.A.

From:

26/02/1997

Address:

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

To:

2

Name:

FREYLINGER / MEYERS

From:

26/02/1992

Address:

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

To:

25/02/1997

Inventor

1

Name:

Widler Leo, Dr.

Address:

Switzerland (CH)

2

Name:

Jaeggi Knut A., Dr.

Address:

Switzerland (CH)

Priority

Priority Number:

4666/86

Priority Date:

21/11/1986

Priority Country:

Switzerland (CH)

Classification

Main IPC Class:

C07F 9/547;

Filing date	Document type	Number of pages