Representative before the EPO

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

Ulrich Weingarten has worked on the following 11 EPO patent applications which have been published in the last five years:

EP12701666

DISPERSE DYE MIXTURES, THEIR PREPARATION AND USE

IPC classification:
C09B 67/22, C09B 67/38, D06P 3/54
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
EXAMINATION IN PROGRESS
EP12189854

Mixtures of fiber-reactive azo dyes, their preparation and their use

IPC classification:
C09B 67/00, C09D 11/02
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12007323

Mixtures of fiber-reactive azo dyes, their preparation and their use

IPC classification:
C09B 67/00, C09D 11/02
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12196206

Metal free acid dyes, process for the production thereof and their use

IPC classification:
C09B 33/12
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13151183

High wet-fast disperse dye mixtures

IPC classification:
C09B 67/22
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13000205

AOX-free navy and black disperse dye mixtures

IPC classification:
C09B 67/22, D06P 1/18, D06P 3/04, D06P 3/60
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13151174

High wet-fast disperse dye mixtures

IPC classification:
C09B 67/22
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13000169

High wet fast disperse dye mixtures

IPC classification:
C09B 67/22, C09B 67/36, D06P 1/02, D06P 1/18, D06P 1/38, D06P 3/56
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12189853

Mixtures of fiber-reactive azo dyes, their preparation and their use

IPC classification:
C09B 67/00, C09B 67/02
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13182245

Dye mixtures of metal free reactive dyes, production and use

IPC classification:
C09B 67/22
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13786417

MIXTURES OF FIBER-REACTIVE AZO DYES, THEIR PREPARATION AND THEIR USE

IPC classification:
C09B 67/00, C09B 67/22, C09D 11/00, C09D 11/02
Applicant:
DyStar Colours Distribution GmbH
Agent:
Ulrich Weingarten, DyStar Colours Distribution GmbH
Status:
PATENT GRANTED

Please Sign in to use this feature