Composés photochromiques

European patent · EP0600668 · Deleted

Register entry

Publication number
EP0600668
Application number
EP93309417
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Nov 25, 1993
Published
Jun 8, 1994
Granted
Jun 9, 1999
Deleted
Nov 30, 2003
Reason
Annual fee unpaid
IPC classes
G03C 1/685 (2006.01)
C07C 291/04 (2006.01)
Priority
GB 9225346 03.12.1992
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Jul 15, 2004

    Deleted, fee unpaid

    Published in +pat+ No 13 in 2004

  2. Sep 30, 1999

    Agent entered

    Representative
    Bovard AG, Patentanwälte, Optingenstrasse 16, 3000 Bern 25

    Published in PIDTJ No 18 in 1999

  3. Jun 15, 1999

    Granted

    Published in PIDTJ No 11 in 1999

Parties

Inventor

Rickwood, Martin

Southport, Merseyside, PR8 6AJ, GB

Marsden, Sean Derek

St. Helens, Merseyside, WA10 6DY, GB

Askew, Victoria Emma

Upminster, Essex , RM14 1SQ, GB

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.