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We have observed 34 EP applications Britta Siegers has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after October 10, 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:

EP11794789

MIXTURES ON THE BASIS OF SULFUR-CROSSLINKED TRIGLYCERIDE, A METHOD FOR THE PRODUCTION THEREOF, AND THE USE THEREOF AS FERTILIZER

IPC classification:
C05G 3/00
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12166641

New compositions containing carbodiimide, method for their production and use

IPC classification:
C08G 18/42, C08L 67/02, C08K 5/29, C08G 18/79, C08G 18/76, C08G 18/66, C08G 18/10, C08G 18/02
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP12717296

CARBODIIMIDES FROM TRISUBSTITUTED AROMATIC ISOCYANATES, A METHOD FOR PRODUCING SAME, AND THE USE OF SAME

IPC classification:
C08K 5/29, C08G 18/02, C07C 267/00
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
The patent has been granted
EP12718215

NOVEL DURABLE, HYDROLYSIS-STABLE BIO-BASED PLASTICS BASED ON POLYHYDROXYALKANOATE (PHA), METHOD FOR PRODUCING SAME, AND USE THEREOF

IPC classification:
C08L 67/04, C08K 5/29
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12740175

METHOD FOR DETERMINING THE QUALITY OF NON-CROSSLINKED RUBBER MIXTURES, AND CORRESPONDING DEVICE

IPC classification:
G01N 33/44, G01N 29/11, G01N 29/07, B29C 47/92
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
The patent has been granted
EP12191102

Method for drying of plastics on the basis of polyester resins

IPC classification:
C08L 67/00, C08K 5/29, C08G 63/90
Applicant:
IfBB - Institut für Biokunststoffe und Bioverbundwerkstoffe, Hochschule Hannover
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP12748484

NOVEL FILM FOR SOLAR CELLS

IPC classification:
H01L 31/048, H01L 31/04, H01L 31/00, C08L 79/00, C08L 67/00, C08J 5/18
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12168904

Cast polyamides, method for their manufacture and application thereof

IPC classification:
C08G 69/18
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
EXAMINATION IN PROGRESS
EP12751547

NOVEL COMPOSITIONS FOR PRODUCING CAST POLYAMIDES

IPC classification:
C08L 77/02, C08K 5/00, C08G 69/20, C08G 69/18, C08G 69/14
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
GRANT OF PATENT INTENDED
EP12195843

Method for manufacturing CNT master batches in liquid rubber by means of a three roller assembly

IPC classification:
C08K 3/04, C08J 5/00, C08J 3/22, C08J 3/21
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13165029

New compounds containing sulfide bridges, method for their manufacture and use thereof

IPC classification:
C10M 135/06, C07C 323/52
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12166635

New compounds containing carbodiimide, method for their production and use

IPC classification:
C08G 18/66, C08G 18/42, C08G 18/28, C08G 18/75, C08L 67/02, C08K 5/29, C08G 18/79, C08G 18/76, C08G 18/10, C08G 18/02
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13166722

Compositions, their preparation and their use for producing cast polyamides

IPC classification:
C08G 69/20, C08G 69/18, C08G 69/16
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP14167193

Compositions containing N-acetylcaprolactam, their preparation and their use for producing cast polyamides

IPC classification:
C08G 69/20, C08G 69/18, C08G 69/16
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13167511

Novel carbodiimides with urea and/or urethane terminal groups, process for their preparation and their use

IPC classification:
C08G 18/02, C07C 275/40, C07C 271/28
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP13152982

New compositions, cross-linkable rubber mixtures containing these compositions, process for their production and their use

IPC classification:
C08K 5/378, C08K 5/3417, C08K 5/3412, C08K 5/1539, C07D 307/89
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP13714881

USE OF CARBODIIMIDE-CONTAINING COMPOSITIONS FOR CONTROLLING POT LIFE

IPC classification:
C08L 67/02, C08K 5/29, C08G 18/79, C08G 18/76, C08G 18/75, C08G 18/66, C08G 18/42, C08G 18/28, C08G 18/10, C08G 18/02
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
The patent has been granted
EP13715156

METHODS FOR IMPROVING THE RESISTANCE TO HYDROLYSIS IN POLYURETHANE (PU)-BASED SYSTEMS

IPC classification:
C08L 67/02, C08K 5/29, C08G 18/79, C08G 18/77, C08G 18/76, C08G 18/66, C08G 18/42, C08G 18/10, C08G 18/02
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13711438

METHODS FOR CONTROLLING (EXTENDING) THE POT LIFE IN CHAIN-EXTENDED POLYURETHANE (PU)-BASED SYSTEMS

IPC classification:
C08L 67/02, C08K 5/29, C08G 18/79, C08G 18/76, C08G 18/66, C08G 18/42, C08G 18/10, C08G 18/02
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
PATENT GRANTED
EP13185138

Vulcanizable rubber composition for low fogging articles

IPC classification:
C08L 61/04, C08L 23/16, C08L 21/00, C08K 3/22, C08K 3/16
Applicant:
LANXESS Deutschland GmbH
Agent:
Multiple attorneys, LANXESS Deutschland GmbH
Status:
PATENT GRANTED
EP13711436

MOLDING POLYAMIDES, METHODS FOR THE PRODUCTION THEREOF, AND USE THEREOF

IPC classification:
C08G 69/18
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
PATENT GRANTED
EP13711683

NOVEL CARBODIIMIDE-CONTAINING COMPOSITIONS AND METHOD FOR THE PRODUCTION AND USE THEREOF

IPC classification:
C08K 5/29
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13727879

CATALYSTS FOR PRODUCING CAST POLYAMIDE, METHOD FOR THE PRODUCTION OF SAID CATALYSTS AND THE USE THEREOF

IPC classification:
C08G 69/20
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
EXAMINATION REQUESTED
EP13197746

A vulcanizable polymer composition

IPC classification:
C08L 23/16, C08K 5/14, C08K 3/34
Applicant:
LANXESS Deutschland GmbH
Agent:
Multiple attorneys, LANXESS Deutschland GmbH
Status:
GRANT OF PATENT INTENDED
EP14151687

Biodiesel stabilised against oxidation

IPC classification:
C10L 1/14
Applicant:
LANXESS Deutschland GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP14153991

Polymer composition

IPC classification:
C08L 23/22, C08L 23/16, C08L 23/00, C08L 21/00, C08K 3/22
Applicant:
LANXESS Deutschland GmbH
Agent:
Multiple attorneys, LANXESS Deutschland GmbH
Status:
The patent has been granted
EP14171202

Bis[3 isopropenyl-alpha, alpha-dimethylbenzyl] carbodiimide, method for its production, and its use

IPC classification:
C08L 75/06, C08K 5/29, C08G 18/81, C08G 18/02, C07C 267/00
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
PATENT GRANTED
EP14172361

Method for improving adhesion between bitumen and stone in asphalt

IPC classification:
C08L 95/00, C08K 5/372
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION WITHDRAWN
EP14176949

Method for the stabilisation of biobased plastic based on polyester resin

IPC classification:
C08G 18/42, C08G 18/79, C08K 5/29, C08K 5/00
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
PATENT GRANTED
EP14724675

METHODS FOR PRODUCING OIL FORMULATIONS BY MEANS OF CERTAIN CARBODIIMIDES

IPC classification:
C10N 70/00, C10N 50/10, C10N 40/25, C10N 40/20, C10N 40/16, C10N 40/14, C10N 40/12, C10N 30/00, C10M 133/22, C10M 177/00
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
GRANT OF PATENT INTENDED
EP14722684

NEW CARBODIIMIDES HAVING TERMINAL UREA AND/OR URETHANE GROUPS, METHODS FOR PRODUCING SAID CARBODIIMIDES, AND USE OF SAID CARBODIIMIDES

IPC classification:
C08G 18/02, C07C 275/40, C07C 271/28
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
The patent has been granted
EP12170771

Method for stabilising polymers containing ester groups

IPC classification:
C08K 5/29
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP15700342

OXIDATION-STABILIZED BIODIESEL

IPC classification:
C10L 1/14
Applicant:
LANXESS Deutschland GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
EXAMINATION REQUESTED
EP15181924

IMPROVED METHOD FOR RUBBER-MODIFIED BITUMEN MADE FROM VULCANIZED RUBBER

IPC classification:
C08L 19/00, C08K 5/372
Applicant:
LANXESS Deutschland GmbH
Applicant:
Rhein Chemie Rheinau GmbH
Agent:
Britta Siegers, LANXESS Deutschland GmbH
Status:
APPLICATION PUBLISHED

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