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European patent · EP0473088 · Deleted

Register entry

Publication number
EP0473088
Application number
EP91114255
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Aug 26, 1991
Published
Mar 4, 1992
Granted
Jan 21, 1998
Deleted
Aug 31, 2005
Reason
Annual fee unpaid
IPC classes
C08F 283/00 (2006.01)
C08G 73/02 (2006.01)
Priority
US 573362 27.08.1990
US 739167 01.08.1991
Filing language
English
Source
Swissreg

History

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

  1. Apr 13, 2006

    Deleted, fee unpaid

    Published in +pat+ No 7 in 2006

  2. Aug 15, 2005

    Agent entered

    Representative
    E. Blum & Co. Patentanwälte, Am Vorderberg 11, 8044 Zürich → Fiammenghi-Fiammenghi, Via San Gottardo 15, 6900 Lugano

    Published in +pat+ No 15 in 2005

  3. Aug 15, 2005

    Transferred

    Owner
    THE DOW CHEMICAL COMPANY, 2030 Dow Center, Midland, Michigan 48674, USA → AVC Holdings Inc., 2030 Dow Center, Midland, MI 48674, USA

    Published in +pat+ No 15 in 2005

  4. Aug 15, 2005

    Transferred

    Owner
    AVC Holdings Inc., 2030 Dow Center, Midland, MI 48674, USA → Dendritic Nanotechnologies Inc., 2625 Denison Drive,, Suite B, Mt. Pleasant, MI 48858, USA

    Published in +pat+ No 15 in 2005

  5. Jul 31, 2000

    Transferred

    Owner
    DENDRITECH INCORPORATED, 3110 Schuette Drive, Midland, MI 48642, USA → THE DOW CHEMICAL COMPANY, 2030 Dow Center, Midland, Michigan 48674, USA
    Representative
    A. Braun, Braun, Héritier,, Eschmann AG, Patentanwälte, Holbeinstrasse 36-38, 4051 Basel (removed)

    Published in PIDTJ No 14 in 2000

  6. Jul 31, 2000

    Agent entered

    Representative
    E. Blum & Co. Patentanwälte, Am Vorderberg 11, 8044 Zürich

    Published in PIDTJ No 14 in 2000

  7. Jan 30, 1998

    Agent entered

    Representative
    A. Braun, Braun, Héritier,, Eschmann AG, Patentanwälte, Holbeinstrasse 36-38, 4051 Basel

    Published in PIDTJ No 2 in 1998

  8. Jan 30, 1998

    Granted

    Published in PIDTJ No 2 in 1998

Parties

Inventor

Hedstrand, David M.

Midland, Michigan 48640, US

Tomalia, Donald A.

Midland, Michigan 48640, 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.