Representative before the EPO

Company dna ep and c
operating since 1939
5 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

We have observed 11 EP applications Marcel C.J.A. Kortekaas has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after January 19, 2013). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP12705219

FUEL ADDITIVES, FUELS, METHODS OF MAKING AND USING SAME

IPC classification:
C10L 1/188, C11C 1/02, C11C 1/10, C11C 3/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
EXAMINATION IN PROGRESS
EP11863683

ROSIN ESTERS FOR NON-WOVENS

IPC classification:
C09F 1/04
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP13720206

REJUVENATION OF RECLAIMED ASPHALT

IPC classification:
C08K 3/34, C08L 91/00, C08L 95/00, E01C 7/18, E01C 11/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP13721509

REJUVENATION OF RECLAIMED ASPHALT

IPC classification:
C08K 3/34, C08L 91/00, C08L 95/00, E01C 7/18, E01C 11/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP12772705

AGING (WEATHERING) INHIBITION METHOD OF IRON ORE PELLETS DURING STOCKPILING

IPC classification:
C22B 1/24
Applicant:
Vale S.A.
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13174864

Method for purification of rosin

IPC classification:
C09F 1/02, C09F 1/04
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP13728307

PROCESS FOR THE IMPROVEMENT OF REDUCIBILITY OF IRON ORE PELLETS

IPC classification:
C22B 1/24
Applicant:
Vale S.A.
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Agent:
CAPRI SAS
Status:
GRANT OF PATENT INTENDED
EP14198212

Rubber compositions containing improved tackifiers

IPC classification:
B60C 1/00, C08L 21/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP14825047

ADDITIVES FOR RUBBER COMPOSITIONS

IPC classification:
B60C 1/00, C08K 3/36, C08K 5/09, C08K 5/548, C08L 21/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
EXAMINATION REQUESTED
EP14810547

ROSIN ESTER TACKIFIERS FOR PRESSURE-SENSITIVE ADHESIVES

IPC classification:
C09D 11/00
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED
EP14783741

COMPOSITIONS CONTAINING ETHYLENE POLYMERS

IPC classification:
C08K 5/00, C08L 23/08, C08L 93/04, C09J 193/04
Agent:
De Vries & Metman
Agent:
Marcel C.J.A. Kortekaas, Exter Polak & Charlouis B.V. (EP & C)
Status:
GRANT OF PATENT INTENDED

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