Representative before the EPO

Company dna aa thornton and co
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2 offices
active in Legal Services

We have observed 26 EP applications Christopher James Burnett has served for within the last five+ years. (We consider all applications which have an EP A1 publication dated after December 16, 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:

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APPLICATION DEEMED TO BE WITHDRAWN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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