Representative before the EPO

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Technology Company

Representative before the EPO

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no operation time available
1 office
Technology Company

We have observed 12 EP applications Michael Witz has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after January 19, 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:

EP12187200

Fluorinated polymerizable compound

IPC classification:
C08G 65/00
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11843565

USE OF HYDROPHOBICALLY ASSOCIATING COPOLYMER AS ADDITIVE IN SPECIFIC OILFIELD APPLICATIONS

IPC classification:
C08F 20/28, C08F 20/56, C09K 8/035, C09K 8/40, C09K 8/588, C09K 8/60, C09K 8/68
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
EXAMINATION REQUESTED
EP12729501

USE OF HYPERBRANCHED POLYLYSINE AS SHALE INHIBITOR

IPC classification:
C08G 69/10, C09K 8/035, C09K 8/60
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
EXAMINATION IN PROGRESS
EP12791501

PREPARING CYCLOCARBONATE-FUNCTIONALIZED COMPOUNDS

IPC classification:
C07D 317/38, C07D 407/14
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13700093

USE OF TERPOLYMERS AS FLUID LOSS ADDITIVES IN WELL CEMENTING

IPC classification:
C09K 8/12, C09K 8/487
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13178707

Pumpable, storage-stable suspension of fibres in an organic phase

IPC classification:
B01F 17/00
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13188044

Use of a chemically modified polysaccharide protein blend as additive for drilling fluids

IPC classification:
C08B 31/00, C08H 1/00, C08H 99/00, C08L 3/04, C08L 89/00, C09K 8/08, C09K 8/20
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13728161

USE OF VANADIUM-CONTAINING PARTICLES AS A BIOCIDE

IPC classification:
A01N 25/04, A01N 25/08, A01N 25/34, A01N 59/00, B01J 23/22, C01G 31/02
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13190998

Geopolymer foam formulation

IPC classification:
C04B 28/00, C04B 103/40, C04B 111/28, C04B 111/52
Applicant:
Construction Research & Technology GmbH
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13726557

BIODEGRADABLE GRAFT COPOLYMER ANTI -ACCRETION ADDITIVE FOR WATER - BASED DRILLING FLUIDS

IPC classification:
C09K 8/08, C09K 8/20, C09K 8/528
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Chemicals GmbH
Status:
EXAMINATION REQUESTED
EP13814137

POLYUREA SILICATE RESIN FOR WELLBORE APPLICATION

IPC classification:
C08G 18/38, C09K 8/508
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Solutions GmbH
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14728591

PUMPABLE SUSPENSION OF FIBRES IN AN ORGANIC PHASE, SAID SUSPENSION HAVING A LONG SHELF-LIFE

IPC classification:
B01F 17/00
Applicant:
BASF SE
Agent:
Michael Witz, BASF Construction Solutions GmbH
Status:
PATENT GRANTED

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