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

We have observed 27 EP applications Bettina Chwalka has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after May 26, 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:

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APPLICATION DEEMED TO BE WITHDRAWN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
EP16700005

PROCESS TO OBTAIN AN ULTRAFINE GCC WITH HIGH LIGHT SCATTERING PROPERTIES AND HIGH SOLID CONTENT

IPC classification:
C01F 11/18, C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16709026

INKJET PRINTING METHOD

IPC classification:
B41M 3/00
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16884240

MEASURING APPARATUS AND METHOD FOR MEASURING MULTIPHASE MASS FLOW RATES OF GAS, OIL, AND WATER IN WET GAS

IPC classification:
G01F 1/88
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16180243

USE OF MONO-SUBSTITUTED SUCCINIC ANHYDRIDE IN POLYLACTIC ACID COMPOSITE FILLED WITH CALCIUM CARBONATE

IPC classification:
C08G 63/91, C08K 3/26, C08K 5/1539, C08K 9/04, C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16707799

PROCESS FOR THE PURIFICATION OF WATER

IPC classification:
C02F 1/28, C02F 1/52, C02F 1/56, C02F 101/10, C02F 103/00, C02F 103/08, C02F 103/10, C02F 103/28
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16181075

POST TREATMENT OF SURFACE-REACTED CALCIUM CARBONATE WITH DIFFERENT FUNCTIONAL CATIONS

IPC classification:
C09C 1/02
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16197583

USE OF MONO-SUBSTITUTED SUCCINIC ANHYDRIDE

IPC classification:
C08K 3/26, C08K 5/1539
Applicant:
Omya International AG
Agent:
Bettina Chwalka, Maiwald Patentanwalts GmbH
Status:
Request for examination was made

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