Representative before the EPO

Employment test 51 - 200 employees
Company dna maiwald patentanwalts gmbh
operating since 1995
Headquarter in Munich and 4 offices
active in Legal Services and IP Consulting

Bettina Chwalka has worked on the following 20 EPO patent applications which have been published in the last five years:

EP14884265

ELECTRIC HEATING CIGARETTE COMPRISING IGNITION STARTING DEVICE AND IGNITION STARTING METHOD

IPC classification:
A24F 47/00
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14716585

INSTALLATION FOR THE PREPARATION OF A SOLUTION OF CALCIUM HYDROGEN CARBONATE SUITABLE FOR THE REMINERALIZATION OF WATER

IPC classification:
A23L 2/52, B01D 61/02, C01B 31/24, C01F 11/18, C02F 1/44, C02F 1/66, C02F 1/68, C02F 103/08, C02F 103/42
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP15195414

SELF-BINDING PIGMENT HYBRID

IPC classification:
A01N 59/06, C09C 1/02, C09C 3/10, D21H 17/00, D21H 17/25, D21H 17/69, D21H 19/42
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14738794

USE OF 2-AMINO-2-ETHYL-1,3-PROPANEDIOL AS ADDITIVE IN AQUEOUS SUSPENSIONS OF CALCIUM CARBONATE-COMPRISING MATERIALS WHILE MAINTAINING STABLE SUSPENSION CONDUCTIVITY

IPC classification:
C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP16179665

TREATED MINERAL FILLER PRODUCTS, PROCESS FOR THE PREPARATION THEREOF AND USES OF SAME

IPC classification:
C08J 5/18, C08K 9/04, C09C 1/02, C09C 3/08
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15715296

REDUCED MOISTURE PICKUP IN POLYOL-CONTAINING MINERAL FILLER PRODUCTS

IPC classification:
C01F 11/18, C08K 3/26, C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15723532

PROCESS FOR THE PREPARATION OF CRUMBLES COMPRISING CALCIUM CARBONATE

IPC classification:
C01F 11/18, C08K 3/00, C08K 3/26, C08K 9/04, C09C 1/02, C09C 3/04, C09C 3/08
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15724729

POLYMER COMPOSITION FILLED WITH AN INORGANIC FILLER MATERIAL MIXTURE

IPC classification:
C08L 67/02, C08L 67/04, C08L 101/16
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP16150766

A ZERO ALCOHOL OFFSET PRINTING SYSTEM

IPC classification:
B41F 7/02, B41F 7/26, B41N 7/04
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15730144

MULTIFILAMENT POLYESTER FIBRES

IPC classification:
D01F 1/10, D01F 6/62
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15731072

DRYING PROCESS

IPC classification:
C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15753915

ANTISEPTIC PRODUCT, PROCESS FOR PREPARING SAME AND ITS USE

IPC classification:
A01N 55/02, A01N 59/00, A01N 59/08, A01P 1/00
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP16151387

O2 SCAVENGING CACO3 TREATMENT

IPC classification:
A23L 3/3436, B01D 53/86, B01J 20/10, B65D 81/26, C08K 5/1535, C08K 9/04, C09C 1/02, C09K 15/00
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16151385

ALKOXYSILANE TREATMENT OF A CALCIUM CARBONATE-COMPRISING MATERIAL

IPC classification:
C01F 11/18, C08K 3/26, C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15775121

SURFACE-REACTED CALCIUM CARBONATE FOR USE AS ANTI-CAKING AGENT

IPC classification:
C01F 11/18, C09C 1/02, A23L 5/00
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15770543

PROCESS FOR IMPROVING PARTICLE SIZE DISTRIBUTION OF CALCIUM CARBONATE-COMPRISING MATERIAL

IPC classification:
A61K 8/19, C01F 11/18, C08K 3/22, C09C 1/02, C09D 5/00, D21H 19/38
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP17160770

USE OF CYCLODEXTRIN COMPOSITIONS AND METHODS THEREOF

IPC classification:
A01N 3/02, A01N 25/34, A01N 27/00, A23B 7/152, A23L 3/3445, C08F 2/46, C08J 7/04, C08K 5/01, C08K 5/101, C08L 5/16, C09D 133/08
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16155963

PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS

IPC classification:
C09C 1/02, C09C 1/40, C09C 1/42
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16156003

PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS

IPC classification:
C09C 1/02, C09C 1/40, C09C 1/42, D21H 17/00
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15798444

APPARATUS FOR SIMULTANEOUS GRINDING AND FROTH FLOTATION

IPC classification:
B02C 17/16, B02C 23/30, B03D 1/08, B03D 1/14
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made

Please Sign in to use this feature