Representative before the EPO

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Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
2 offices
Technology Company

Representative before the EPO

Technology company logo thumb
no operation time available
1 office
Technology Company

Roland Dux has worked on the following 27 EPO patent applications which have been published in the last five years:

EP11182428

Process for preparing chiral quinone

IPC classification:
C07C 46/00
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12721468

PROCESS OF SEPARATING CHIRAL ISOMERS OF CHROMAN COMPOUNDS AND THEIR DERIVATIVES AND PRECURSORS

IPC classification:
A61K 31/355, C07B 55/00, C07B 57/00, C07D 311/22, C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13197507

Hydroxytyrosol benefits mitochondria

IPC classification:
A23L 1/00, A61K 31/05, A61K 36/63, A61P 1/16, A61P 7/00, A61P 9/00, A61P 21/00
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
EXAMINATION IN PROGRESS
EP12729470

HYDROGENATION OF KETONES HAVING AT LEAST A CARBON-CARBON DOUBLE BOND IN THE , -POSITION

IPC classification:
C07C 45/62
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP12759770

PROCESS FOR PREPARING CHIRAL QUINONE

IPC classification:
C07C 46/00, C07C 50/06
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13182427

Formation of chromanes and chromenes by using silver(I) or gold(I) salts or complexes

IPC classification:
C07D 311/70, C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13189689

Synthesis of chromane compounds and their derivatives by a copper-catalyzed conjugate addition reaction

IPC classification:
C07D 311/74
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP13748031

TOCOPHEROLS WITH INCREASED COLOR STABILITY

IPC classification:
C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP13748030

PROTECTED TOCOPHEROL WITH REDUCED CONTENT OF FREE TOCOPHEROL

IPC classification:
C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP13753592

TOCOPHEROLS WITH REDUCED CONTENT OF PHENOLIC IMPURITIES

IPC classification:
C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP13748028

TOCOPHEROLS WITH REDUCED CONTENT OF DEHYDROTOCOPHEROL

IPC classification:
C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP13811497

PROCESS OF ASYMMETRIC HYDROGENATION OF KETALS AND ACETALS

IPC classification:
C07B 53/00, C07C 41/48, C07C 43/303, C07C 43/313, C07D 317/12, C07D 317/50
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
GRANT OF PATENT INTENDED
EP13814521

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10,14-TRIMETYLPENTADECA-5,9,13-TRIEN-2-ONE OR 6,10,14-TRIMETYLPENTADECA-5,9-DIEN-2-ONE

IPC classification:
C07C 29/17, C07C 29/42, C07C 41/48, C07C 43/303, C07C 45/62, C07C 45/67, C07C 45/82, C07C 49/04, C07C 49/203, C07D 471/04
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13828832

EFFICIENT PROCESS OF ASYMMETRIC HYDROGENATION OF UNSTURATED KETONES USING ADDITIVES

IPC classification:
C07C 33/025, C07C 45/62, C07C 47/02, C07C 47/21, C07C 49/04, C07C 49/203, C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
EXAMINATION IN PROGRESS
EP13828834

NITROGEN MONOXIDE AS CIS/TRANS ISOMERIZATION CATALYSTS FOR UNSATURATED COMPOUNDS

IPC classification:
C07C 29/56, C07C 29/80, C07C 33/02, C07C 43/313, C07C 45/67, C07C 45/82, C07C 49/203, C07D 319/06
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13828833

POLYTHIOLS AS CIS/TRANS ISOMERIZATION CATALYSTS FOR UNSATURATED COMPOUNDS

IPC classification:
C07C 43/313, C07C 45/67, C07C 45/82, C07C 49/203, C07D 319/06
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
EXAMINATION IN PROGRESS
EP13811918

USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINED ASYMMETRIC HYDROGENATIONS

IPC classification:
C07C 45/62, C07C 45/82, C07C 47/02, C07C 49/04, C07C 49/203
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13828835

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10-DIMETYLUNDECA-3,5,9-TRIEN-2-ONE

IPC classification:
C07C 29/17, C07C 29/40, C07C 29/42, C07C 33/03, C07C 33/042, C07C 41/56, C07C 43/303, C07C 43/313, C07C 45/51, C07C 45/59, C07C 45/60, C07C 45/62, C07C 45/67, C07C 45/69, C07C 49/04
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
EXAMINATION IN PROGRESS
EP13814522

USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINING ASYMMETRIC HYDROGENATION AND ISOMERIZATION

IPC classification:
C07C 45/62, C07C 45/67, C07C 47/02, C07C 49/04
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13811206

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 3,7-DIMETYLOCT-2-ENAL OR 3,7-DIMETYLOCTA-2,6-DIENAL

IPC classification:
C07C 29/17, C07C 29/40, C07C 29/42, C07C 43/313, C07C 45/48, C07C 45/51, C07C 45/62, C07C 45/67, C07C 45/74, C07C 45/82, C07D 311/72, C07D 319/06
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13810948

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM (R)-3,7-DIMETYLOCT-6-ENAL

IPC classification:
C07C 29/17, C07C 29/40, C07C 29/42, C07C 43/313, C07C 45/48, C07C 45/51, C07C 45/59, C07C 45/62, C07C 45/67, C07C 45/74, C07C 45/82, C07D 311/72, C07D 319/06
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
EXAMINATION IN PROGRESS
EP13815472

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10-DIMETYLUNDEC-5-EN-2-ONE OR 6,10-DIMETYLUNDECA-5,9-DIEN-2-ONE

IPC classification:
C07C 29/17, C07C 29/44, C07C 33/025, C07C 33/042, C07C 45/51, C07C 45/59, C07C 45/62, C07C 45/67, C07C 45/71, C07C 45/90, C07C 49/04, C07C 49/203, C07D 311/20, C07D 317/12
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP13808046

(6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM (R)-6,10,14-TRIMETYLPENTADEC-5-EN-2-ONE

IPC classification:
C07C 29/17, C07C 29/42, C07C 41/48, C07C 43/303, C07C 45/62, C07C 45/67, C07C 45/82, C07D 471/04
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
GRANT OF PATENT INTENDED
EP14735948

FORMATION OF CHIRAL 4-CHROMANONES USING CHIRAL PYRROLIDINES IN THE PRESENCE OF PHENOLS OR THIOPHENOLS

IPC classification:
C07D 311/22
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP14735951

FORMATION OF CHIRAL 4-CHROMANONES USING CHIRAL PYRROLIDINES

IPC classification:
C07D 311/22
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP14735949

FORMATION OF CHIRAL 4-CHROMANONES USING CHIRAL PYRROLIDINES IN THE PRESENCE OF UREAS OR THIOUREAS

IPC classification:
C07D 311/22
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products Ltd
Status:
PATENT GRANTED
EP14755816

FORMATION OF CHROMANES AND CHROMENES BY USING SILVER(I) OR GOLD(I) SALTS OR COMPLEXES

IPC classification:
C07D 311/70, C07D 311/72
Applicant:
DSM IP Assets B.V.
Agent:
Roland Dux, DSM Nutritional Products AG
Status:
EXAMINATION IN PROGRESS

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