Representative before the EPO

Employment test 201 - 500 employees
Company dna berggren
operating since 1936
1064.37
Headquarter in Helsinki and 7 offices
active in Legal Services, IP Consulting, and Matchmaking and Trading

Olli-Pekka Saijonmaa has worked on the following 6 EPO patent applications which have been published in the last five years:

EP10847306

HEAT EXCHANGE ELEMENT, A HEAT EXCHANGER COMPRISING THE ELEMENTS, AND AN EQUIPMENT FOR THE MANUFACTURE OF THE ELEMENTS

IPC classification:
B01D 1/22, B29C 65/20, B29D 7/01, C02F 1/08, C02F 1/10, F28D 9/00, F28F 3/08, F28F 21/06
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
EXAMINATION REQUESTED
EP11774483

METHOD FOR IMPROVING THE HEAT SEALABILITY OF PACKAGING MATERIAL AND METHOD FOR MANUFACTURING HEAT-SEALED CONTAINER OR PACKAGE

IPC classification:
B29C 65/14, B29C 71/04, B32B 27/12, B65D 3/22, B65D 65/40, C08J 3/28, C09J 5/00
Applicant:
Stora Enso Oyj
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
GRANT OF PATENT INTENDED
EP11789317

METHOD OF CONVERTING ALPHA-PINENE TO PARA-CYMENE BY USING A ZEOLITIC CATALYST

IPC classification:
C07C 5/41, C07C 15/02, C09F 3/00
Applicant:
Stora Enso Oyj
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
EXAMINATION REQUESTED
EP11752917

HEAT-SEALABLE BIODEGRADABLE PACKAGING MATERIAL, A METHOD FOR ITS MANUFACTURE, AND A PRODUCT PACKAGE MADE FROM THE MATERIAL

IPC classification:
B32B 5/02, B32B 27/08, B32B 27/10, B32B 27/12, B32B 27/30, B32B 27/36, B65D 65/46, C08L 67/04, C09D 167/04, D21H 19/28, D21H 19/82, D21H 27/10
Applicant:
Stora Enso Oyj
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12188525

A method for producing identification marks on paper or board and a marked material made with the method

IPC classification:
B41M 5/24
Applicant:
Stora Enso Oyj
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11789319

HYDROGEN TREATMENT OF IMPURE TALL OIL FOR THE PRODUCTION OF AROMATIC MONOMERS

IPC classification:
B01J 21/16, B01J 23/883, B01J 23/889, B01J 29/40, B01J 35/00, B01J 37/20, C07C 1/207, C07C 4/06, C07C 15/08, C07C 51/265, C07C 63/26, C08G 63/183, C08G 63/78, C10G 3/00, C10G 45/08, C10G 45/12, C10G 65/12
Applicant:
Stora Enso Oyj
Agent:
Olli-Pekka Saijonmaa, Berggren Oy AB
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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