Patent details

Basic Information

Publication number:

EP0505583

PCT Application Number:

PCT/JP/91/01404

Type:

European Patent Granted for LU

Legal Status:

Lapsed

Application number:

EP919192898

PCT Publication Number:

WO/92/06920

First applicant's nationality:

Translation Language:

EPO Publication Language:

Not available

English Title of Invention:

PROCESS FOR PRODUCING SILICA GEL

French Title of Invention:

PROCEDE DE PREPARATION D'UN GEL DE SILICE

German Title of Invention:

VERFAHREN ZUR HERSTELLUNG EINES KIESELSÄUREGELS

SPC Number:

Dates

Filing date:

11/10/1991

Grant date:

20/03/1996

EP Publication Date:

20/03/1996

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:

30/09/1992

EP B1 Publication Date:

20/03/1996

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

31/10/1996

Expiration date:

11/10/2011

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

11/10/1991

 

 

Name:

FUJI-DAVISON CHEMICAL LTD.

Address:

1846, Kozoji-cho 2-chome, Kasugai-shi, Aichi 487, Japan (JP)

Inventor

1

Name:

ITO Mutsuhiro, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

2

Name:

HORINOUCHI Yuzo, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

3

Name:

WATANABE Nobuki, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

4

Name:

ARIMURA Masayuki, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

5

Name:

KANEMARU Eiji, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

6

Name:

MATSUI Takashi, Fuji-Davison Chemical Ltd.

Address:

Japan (JP)

Priority

Priority Number:

274643/90

Priority Date:

12/10/1990

Priority Country:

Japan (JP)

Classification

Main IPC Class:

C01B 33/152;

Filing date	Document type	Number of pages