Representative before the EPO

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Christopher James Burnett has worked on the following 26 EPO patent applications which have been published in the last five years:

EP12795081

ADDITIVE AND METHOD FOR REMOVAL OF CALCIUM FROM CRUDE OILS CONTAINING CALCIUM NAPHTHENATE

IPC classification:
C07C 47/127, C10G 21/16
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12816798

ADDITIVE COMPOSITION FOR CONTROL AND INHIBITION OF POLYMERIZATION OF STYRENE, AND METHOD OF PREPARATION AND USE THEREOF

IPC classification:
C07C 7/20, C08F 2/40, C08F 12/08
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP11872688

EFFICIENT INCREMENTAL MODIFICATION OF OPTIMIZED FINITE-STATE TRANSDUCERS (FSTS) FOR USE IN SPEECH APPLICATIONS

IPC classification:
G10L 15/08, G10L 15/12
Applicant:
Nuance Communications, Inc.
Agent:
Høiberg A/S
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
GRANT OF PATENT INTENDED
EP12806710

AN IMPROVED INTRA-UTERINE CONTRACEPTIVE DEVICE

IPC classification:
A61F 6/14
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP12839189

AMINE AND NITROXIDE BASED ADDITIVE COMPOSITION FOR CONTROL AND INHIBITION OF POLYMERIZATION OF STYRENE, AND METHOD OF USE THEREOF

IPC classification:
C08K 5/17, C08K 5/32
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP12839194

IMPROVED AMINE BASED ADDITIVE COMPOSITION FOR CONTROL AND INHIBITION OF POLYMERIZATION OF AROMATIC VINYL MONOMERS, AND METHOD OF USE THEREOF

IPC classification:
C07B 63/04, C07C 7/20, C09K 15/18, C09K 15/24
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP13723897

ANTIRETROVIRAL COMPOSITION

IPC classification:
A61K 9/16, A61K 9/20, A61K 31/427, A61K 31/513
Applicant:
Cipla Ltd.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
GRANT OF PATENT INTENDED
EP13750356

PROCESS FOR THE PREPARATION OF SITAGLIPTIN AND INTERMEDIATE COMPOUNDS

IPC classification:
C07D 487/04
Applicant:
Cipla Ltd.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13843211

INSULATIVE COATING PROCESSES FOR ELECTROMAGNETIC TELEMETRY MANDRELS

IPC classification:
B23Q 3/14, E21B 17/01
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
GRANT OF PATENT INTENDED
EP15164492

SETTABLE SPOTTING COMPOSITIONS COMPRISING CEMENT KILN DUST AND METHODS OF USING THEM

IPC classification:
C04B 18/16, C09K 8/46, C09K 8/467, C09K 8/502
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP14184581

COMPOSITE BRIQUETTE AND METHOD FOR STEELMAKING OR IRONMAKING FURNACE CHARGE

IPC classification:
C21C 5/52, C21C 5/54
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP14705560

PROCESS FOR PREPARING ATAZANAVIR SULPHATE

IPC classification:
A61K 31/44, C07D 213/42
Applicant:
Cipla Ltd.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION IN PROGRESS
EP13876515

LOST CIRCULATION COMPOSITION FOR FRACTURE SEALING

IPC classification:
C09K 8/03, C09K 8/58, E21B 43/22
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION WITHDRAWN
EP15186976

SETTABLE COMPOSITIONS COMPRISING CEMENT KILN DUST AND ADDITIVE(S) AND METHOD OF USING THEM

IPC classification:
C04B 18/16, C04B 28/02, C04B 28/08, C09K 8/42, C09K 8/46, C09K 8/473
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP15200468

AN INVERT EMULSION FLUID CONTAINING A HYGROSCOPIC LIQUID, A POLYMERIC SUSPENDING AGENT, AND LOW-DENSITY SOLIDS

IPC classification:
C09K 8/36, C09K 8/42, C09K 8/46
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
APPLICATION WITHDRAWN
EP15200482

AN INVERT EMULSION DRILLING FLUID CONTAINING A HYGROSCOPIC LIQUID AND A POLYMERIC SUSPENDING AGENT

IPC classification:
C09K 8/12, C09K 8/36
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION IN PROGRESS
EP13895955

EROSION RESISTANT BAFFLE FOR DOWNHOLE WELLBORE TOOLS

IPC classification:
E21B 33/12, E21B 33/122
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP13897897

FRICTION AND WEAR REDUCTION OF DOWNHOLE TUBULARS USING GRAPHENE

IPC classification:
E21B 17/01, E21B 19/16, E21B 23/00
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
GRANT OF PATENT INTENDED
EP13900844

MEDICAL MONITORING OPTICAL COMPUTING DEVICE

IPC classification:
A61B 5/1455
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP13899922

GRAVITY-BASED CASING ORIENTATION TOOLS AND METHODS

IPC classification:
E21B 17/01, E21B 47/09
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP15197644

FUEL MARKERS AND METHODS OF PRODUCING AND USING SAME

IPC classification:
C10L 1/00
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
The patent has been granted
EP14889493

PLUGGING OF A FLOW PASSAGE IN A SUBTERRANEAN WELL

IPC classification:
E21B 23/02, E21B 33/12
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP16187134

METHOD OF USE OF FOAMED SPACER FLUIDS CONTAINING CEMENT KILN DUST

IPC classification:
C04B 28/02, C04B 103/40, C09K 8/40, C09K 8/42, C09K 8/467
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
Request for examination was made
EP15725463

ELBOW AND HORIZONTAL CONFIGURATIONS IN A LOOP REACTOR

IPC classification:
B01J 19/24, C08F 2/01, C08F 2/12
Applicant:
Chevron Phillips Chemical Company LP
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP15780385

THERAPEUTIC DETOXIFICATION COMPOSITIONS AND METHODS OF MAKING AND USING SAME

IPC classification:
A61K 31/44, A61K 47/02, A61K 47/30, A61P 1/00, A61P 1/16, A61P 35/00, A61P 39/00
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED
EP15857712

DIRECTIONAL DRILLING WHILE CONVEYING A LINING MEMBER, WITH LATCHING PARKING CAPABILITIES FOR MULTIPLE TRIPS

IPC classification:
E21B 7/20, E21B 17/00, E21B 23/00
Applicant:
Halliburton Energy Services, Inc.
Agent:
Christopher James Burnett, A.A. Thornton & Co.
Status:
EXAMINATION REQUESTED

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