Patent details

EP1801180 Title: Filtrate reducer for drilling muds

Basic Information

Publication number:
EP1801180
PCT Application Number:
Type:
European Patent Granted for LU
Legal Status:
Lapsed
Application number:
EP061265906
PCT Publication Number:
First applicant's nationality:
Translation Language:
EPO Publication Language:
English
English Title of Invention:
Filtrate reducer for drilling muds
French Title of Invention:
Réducteur de filtrage pour des boues de forage
German Title of Invention:
Filtratreduzierung für Bohrschlamm
SPC Number:

Dates

Filing date:
20/12/2006
Grant date:
31/12/2008
EP Publication Date:
31/12/2008
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:
27/06/2007
EP B1 Publication Date:
31/12/2008
EP B2 Publication Date:
EP B3 Publication Date:
Lapsed date:
20/12/2009
Expiration date:
20/12/2026
Renunciation date:
Revocation date:
Annulment date:

Owner

From:
20/12/2006
 
 

Name:
Lamberti Spa
Address:
Via Piave, 18, 21041 Albizzate, Italy (IT)

Inventor

1

Name:
Demarchi Cristina
Address:
Italy (IT)

2

Name:
Chiavacci Dario
Address:
Italy (IT)

3

Name:
Vecchi Stefania
Address:
Italy (IT)

4

Name:
Vigano Laura
Address:
Italy (IT)

5

Name:
Li BassiI Giuseppe
Address:
Italy (IT)

Priority

Priority Number:
VA20050074
Priority Date:
23/12/2005
Priority Country:
Italy (IT)

Classification

Main IPC Class:
C09K 8/20;
Filing date Document type Number of pages