Representative before the EPO

Employment test 11 - 50 employees
Company dna de vries and metman
operating since 1995
Headquarter in Amsterdam and 2 offices
active in Legal Services and IP Consulting

Dinah Elisabeth Hesselink has worked on the following 9 EPO patent applications which have been published in the last five years:

EP13174834

Method for processing magnesium chloride solutions

IPC classification:
C01B 13/18, C01F 5/06, C01F 5/10, C12P 7/40
Applicant:
Purac Biochem bv
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14157835

Process for manufacturing solid propionate salt

IPC classification:
C07C 51/41, C07C 51/43, C07C 53/122, C07C 55/10
Applicant:
Purac Biochem bv
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14161269

Method for preparing a purified madder root extract

IPC classification:
C09B 61/00, C09B 67/54
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13719701

PREPARATION OF AN ELECTRODE-ACTIVE MATERIAL USING DECOMPRESSION EQUIPMENT

IPC classification:
B01J 3/00, B01J 8/00, B01J 8/08, B01J 19/00, C01B 25/45, H01M 4/58
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14756347

FUEL OIL

IPC classification:
C10L 1/04, C10L 1/18, F02D 21/02
Applicant:
TonenGeneral Sekiyu Kabushiki Kaisha
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
EXAMINATION REQUESTED
EP15152980

Method for removing cyanide compounds from wastewater

IPC classification:
C02F 1/72, C02F 101/18, C02F 101/20, C02F 101/38, C02F 103/16
Applicant:
University of Amsterdam (Universiteit van Amsterdam)
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION PUBLISHED
EP15156740

PHOTOSENSITIZERS

IPC classification:
C07D 487/22
Applicant:
University of Amsterdam (Universiteit van Amsterdam)
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION PUBLISHED
EP15159568

Process for manufacturing propionate products

IPC classification:
C12P 7/52
Applicant:
Purac Biochem bv
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
APPLICATION PUBLISHED
EP15771597

METHOD FOR THE MANUFACTURE OF N, N-DIALKYLLACTAMIDE

IPC classification:
C07C 231/02, C07C 231/16, C07C 235/06
Applicant:
Purac Biochem bv
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
Request for examination was made

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