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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 53 EP applications Melanie Boos has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 18, 2012). 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:

EP12733156

HYDROPHOBISED CALCIUM CARBONATE PARTICLES

IPC classification:
D21C 9/08, D21H 21/02
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12740542

MICRONIZED CACO3 SLURRY INJECTION SYSTEM FOR THE REMINERALIZATION OF DESALINATED AND FRESH WATER

IPC classification:
C02F 1/68
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12750591

PROCESS FOR PREPARING SELF-BINDING PIGMENT PARTICLE SUSPENSIONS

IPC classification:
C09C 1/02, D21H 17/00
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP12778745

SURFACE -TREATED CALCIUM CARBONATE AND ITS USE IN WATER PURIFICATION AND FOR THE DEWATERING OF SLUDGES AND SEDIMENTS

IPC classification:
B01J 20/04, B01J 20/32, C02F 1/28, C02F 1/56, C02F 1/66, C02F 11/14, C02F 103/28
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13701255

INSTALLATION FOR THE PURIFICATION OF MINERALS, PIGMENTS AND/OR FILLERS AND/OR THE PREPARATION OF PRECIPITATED EARTH ALKALI CARBONATE

IPC classification:
C09C 1/02, C09C 3/04
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP13723043

TREATMENT OF CALCIUM CARBONATE CONTAINING MATERIALS FOR INCREASED FILLER LOAD IN PAPER

IPC classification:
C09C 1/02, D21H 17/00
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP13187392

Micronized earth alkali carbonate-containing material for regulating the pH of a soil

IPC classification:
C09K 17/06
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13192156

Process for improving the particle size distribution of a calcium carbonate-containing material

IPC classification:
C01F 11/18
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13734800

SURFACE MODIFIED CALCIUM CARBONATE CONTAINING MINERALS AND ITS USE

IPC classification:
C09C 1/02, D21H 17/00
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13196827

Improved gel stability

IPC classification:
C09K 8/68
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP13739406

REGENERATABLE ION EXCHANGE MATERIAL FOR REDUCING THE AMOUNT OF CO2

IPC classification:
B01D 53/14, B01D 53/62, B01J 20/12, C01F 5/24, C01F 11/18, C02F 1/66, C02F 5/06, C02F 5/08
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
APPLICATION WITHDRAWN
EP13766934

PRINT MEDIUM

IPC classification:
C08K 3/26, D21H 19/38, D21H 21/52
Applicant:
Omya International AG
Agent:
Multiple attorneys, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14164224

MIC reduction with lithium ions

IPC classification:
A01N 31/08, A01N 35/02, A01N 35/08, A01N 43/40, A01N 43/80, A01N 43/90, A01N 47/02, A01N 47/40, A01N 47/44, A01N 59/00, A01P 1/00, A01P 3/00
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14164890

Adsorbing and/or reduction of the amount of organic materials in an aqueous medium by using colloidal precipitated calcium carbonate

IPC classification:
C02F 1/28, D21C 9/08, D21H 21/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14168478

Fiber board product comprising a calcium carbonate-containing material

IPC classification:
C04B 26/12, C04B 26/14, C04B 26/16
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP14169915

Calcium carbonate for rotogravure printing medium

IPC classification:
B41M 5/52, D21H 19/38
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP14169923

Process for the preparation of crumbs comprising calcium carbonate

IPC classification:
C01F 11/18, C08K 3/00, C09C 1/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
PATENT GRANTED
EP14171275

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:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14175252

Multifilament polyester fibres

IPC classification:
D01F 1/10, D01F 6/62
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14705150

NEW SURFACE TREATMENT OF WHITE MINERAL MATERIALS FOR APPLICATION IN PLASTICS

IPC classification:
C08K 5/49
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP14180249

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:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP15182223

PROCESS FOR PREPARING SELF-BINDING PIGMENT PARTICLES

IPC classification:
C09C 1/02, D21H 17/00, D21H 17/26, D21H 17/69
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP14177392

ACID WASTEWATER TREATMENT

IPC classification:
C02F 1/00, C02F 1/38, C02F 1/52, C02F 1/66, C02F 101/10, C02F 101/20, C02F 103/10, C02F 103/14, C02F 103/16, C02F 103/24, C02F 103/32
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
The patent has been granted
EP14722195

MULTIPLE BATCH SYSTEM FOR THE PREPARATION OF A SOLUTION OF CALCIUM HYDROGEN CARBONATE SUITABLE FOR THE REMINERALIZATION OF DESALINATED WATER AND OF NATURALLY SOFT WATER

IPC classification:
A23L 2/52, A23L 2/54, C02F 1/68
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14199037

Method for the production of a pharmaceutical delivery system

IPC classification:
A61K 9/20, A61K 31/167
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15150367

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:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15153130

Process for manufacturing a solution of an earth alkali hydrogen carbonate

IPC classification:
C02F 1/66, C02F 1/68
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION IN PROGRESS
EP14780446

MICRONIZED EARTH ALKALI CARBONATE-CONTAINING MATERIAL FOR REGULATING THE PH OF A SOIL

IPC classification:
C09K 17/06
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
GRANT OF PATENT INTENDED
EP15157025

High solids PCC with cationic additive

IPC classification:
C01F 11/18
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
The patent has been granted
EP14790643

PROCESS FOR IMPROVING THE PARTICLE SIZE DISTRIBUTION OF A CALCIUM CARBONATE-CONTAINING MATERIAL

IPC classification:
C01F 11/18
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15160666

Easy to disperse calcium carbonate to improve hot tack strength

IPC classification:
B32B 27/32, C08J 3/20, C08J 3/22, C09C 1/02, C09C 3/08, C09D 123/00
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP14809895

IMPROVED GEL STABILITY

IPC classification:
C09K 8/68
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15705568

PROCESS FOR THE PREPARATION OF A MINERAL FILLER PRODUCT

IPC classification:
C09C 1/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15173414

SURFACE TREATED FILLER MATERIAL PRODUCT FOR ALPHA-NUCLEATION OF POLYOLEFINS

IPC classification:
C08K 3/26, C08K 5/09, C08K 5/098, C08L 23/06, C08L 23/12, C08L 23/20
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15179382

PRECIPITATED CALCIUM CARBONATE WITH IMPROVED RESISTANCE TO STRUCTURAL BREAKDOWN

IPC classification:
B01F 3/04, C01F 11/18
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP16192274

SELF-BINDING PIGMENT PARTICLE SUSPENSIONS

IPC classification:
B82Y 30/00, C09C 1/02, D21H 17/00, D21H 17/32, D21H 17/67, D21H 17/69, D21H 19/38, D21H 19/42, D21H 21/28
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15722105

FIBER BOARD PRODUCT COMPRISING A CALCIUM CARBONATE-CONTAINING MATERIAL

IPC classification:
C04B 26/12, C04B 26/14, C04B 26/16
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15190284

HIGH SOLIDS PCC WITH COPOLYMERIC ADDITIVE

IPC classification:
C01F 11/18, C09C 1/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15196997

CALCIUM CARBONATE FOR PARTICLE BOARDS

IPC classification:
B27N 3/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15202030

METAL OXIDES AND/OR HYDRATES THEREOF FOR STABILISING AN AQUEOUS PREPARATION AGAINST MICROBIAL GROWTH

IPC classification:
A01N 31/08, A01N 35/08, A01N 43/40, A01N 43/80, A01N 59/00, A01N 59/06, A01N 59/16, A01P 1/00, D21H 21/36
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP15202170

MICROBIAL CELL VIABILITY ASSAY FOR DETECTION OF OR DETERMINING SLURRY CONTAMINATION

IPC classification:
C12Q 1/66
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
EXAMINATION REQUESTED
EP16150612

IN-LINE COATED WOOD-BASED BOARDS

IPC classification:
B27N 3/02, B27N 3/04
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16151285

WET SURFACE TREATMENT OF SURFACE-MODIFIED CALCIUM CARBONATE

IPC classification:
C01F 11/18, C08K 3/26, C09C 1/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16151383

TREATMENT OF SURFACE-REACTED CALCIUM CARBONATE

IPC classification:
C09C 1/02
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15763854

DRY PROCESS FOR PREPARING A SURFACE-MODIFIED ALKALINE EARTH METAL CARBONATE-CONTAINING MATERIAL

IPC classification:
A61K 8/19, C01F 11/18, C08K 3/22, C09C 1/02, D21H 19/38
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP17159307

METHOD FOR REDUCING THE AMOUNT OF CO2 USING A REGENERATABLE ION EXCHANGE MATERIAL

IPC classification:
B01D 53/02, B01D 53/14, B01D 53/62, B01D 53/82, B01D 53/85, B01D 53/96, B01J 20/12, B01J 39/02, B01J 39/14, C01F 5/24, C01F 11/18, C02F 1/66, C02F 5/06, C02F 5/08
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16154570

INSTALLATION FOR THE PREPARATION OF AN AQUEOUS SOLUTION COMPRISING AT LEAST ONE EARTH ALKALI HYDROGEN CARBONATE

IPC classification:
A23L 2/54, C02F 1/44, C02F 1/68
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16154567

PROCESS FOR THE PREPARATION OF AN AQUEOUS SOLUTION COMPRISING AT LEAST ONE EARTH ALKALI HYDROGEN CARBONATE

IPC classification:
A23L 2/54, B01D 61/14, C02F 1/44, C02F 1/66, C02F 1/68
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16158979

A PARTICULATE EARTH ALKALI CARBONATE-COMPRISING MATERIAL FOR NOX UPTAKE

IPC classification:
B01D 15/00, B01D 53/02, B01D 53/56, B01J 20/04, B01J 20/28, B01J 20/30
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15787232

METHOD FOR THE MANUFACTURING OF A SUSPENSION COMPRISING A CALCIUM CARBONATE-COMPRISING MATERIAL

IPC classification:
C01F 11/18, C09C 1/02, C09C 3/04, D21H 19/38
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15813352

METHOD FOR THE PRODUCTION OF A PHARMACEUTICAL DELIVERY SYSTEM

IPC classification:
A61K 9/20, A61K 31/00, A61K 31/167
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP15808683

CALCIUM CARBONATE FOR PLANT PROTECTION

IPC classification:
A01N 37/24, A01N 43/22, A01N 43/36, A01N 43/40, A01N 43/54, A01N 47/16, A01N 53/00, A01N 59/06, A01P 3/00, A01P 7/00
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made
EP16700449

SURFACE-TREATED CALCIUM CARBONATE WITH IMPROVED STABILITY IN ENVIRONMENTS WITH A PH OF 4.5 TO 7

IPC classification:
A61K 8/19, C09C 1/02, C11D 3/14
Applicant:
Omya International AG
Agent:
Melanie Boos, Maiwald Patentanwalts GmbH
Status:
Request for examination was made

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