Gealterte Kieselsäure

European patent · EP0231897 · Deleted

Register entry

Publication number
EP0231897
Application number
EP87101278
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jan 30, 1987
Published
Aug 12, 1987
Granted
Oct 2, 1991
Deleted
Oct 2, 1991
Reason
Revoked in opposition
IPC classes
C01B 33/157 (2006.01)
C12H 1/04 (2006.01)
Priority
US A 825588 03.02.1986
Filing language
English
Source
Swissreg

History

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

  1. Oct 25, 2024

    Change

    Published in Swissreg on 25.10.2024

  2. Jun 25, 2024

    Change

    Published in Swissreg on 25.06.2024

  3. Jun 25, 2024

    Change

    Published in Swissreg on 25.06.2024

  4. Nov 15, 1991

    Granted

    Published in PIDTJ No 21 in 1991

Parties

Holder

SCM Chemicals, Inc

SCM Chemicals, Inc.

3901 Glidden Road, Baltimore/MD, US

Inventor

Van der Heem, Peter

Baltimore Maryland, US

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.