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

We have observed 10 EP applications Dinah Elisabeth Hesselink has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 17, 2012). 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:

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APPLICATION DEEMED TO BE WITHDRAWN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APPLICATION DEEMED TO BE WITHDRAWN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APPLICATION DEEMED TO BE WITHDRAWN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APPLICATION DEEMED TO BE WITHDRAWN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
EP16703306

METHOD FOR DISINFECTING A SURFACE, AND COMPOSITION SUITABLE FOR USE THEREIN

IPC classification:
A01N 37/46, A01P 1/00
Agent:
Dinah Elisabeth Hesselink, De Vries & Metman
Status:
Request for examination was made

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