Representative before the EPO

Employment test 51 - 200 employees
Company dna appleyard lees ltd
operating since 1852
Headquarter in Halifax and 15 offices
active in Legal Services, IP Consulting, Matchmaking and Trading, and IP-related Communication Service

David Patrick Walsh has worked on the following 26 EPO patent applications which have been published in the last five years:

EP10795449

A CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE

IPC classification:
C07C 67/38, C07C 69/24
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP10795448

IMPROVED CARBONYLATION PROCESS

IPC classification:
B01J 31/24, C07C 45/49, C07C 67/38
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION REQUESTED
EP11731649

RESILIENT FLOORING COMPOSITIONS

IPC classification:
B32B 27/08, B32B 27/10, B32B 37/00, E04F 15/00, E04F 15/10, E04F 15/18
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP10846320

FOLDABLE UTILITY TRAILER

IPC classification:
B60P 3/42, B62B 3/02, B62D 63/06
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
PATENT GRANTED
EP11729662

A NITRIDED MIXED OXIDE CATALYST SYSTEM AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

IPC classification:
B01J 21/02, B01J 21/06, B01J 23/02, B01J 23/08, B01J 23/12, B01J 23/14, B01J 23/18, B01J 23/20, B01J 27/14, B01J 27/24, B01J 37/03, C01B 21/082, C07C 51/353, C07C 57/04, C07C 67/343, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP11729661

A MIXED OXIDE CATALYST AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

IPC classification:
B01J 23/08, B01J 23/10, B01J 23/18, B01J 23/20, B01J 37/03, C07C 51/353, C07C 57/04, C07C 67/343, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP11782662

A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS AND A CATALYST THEREFOR

IPC classification:
B01J 27/18, B01J 29/82, B01J 29/83, B01J 29/84, B01J 29/85, C07C 51/377
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION REQUESTED
EP12706094

A PROCESS FOR THE PRODUCTION OF (METH)ACRYLIC ACID AND DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 51/48, C07C 57/04, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP12785681

DINUCLEAR INDIUM CATALYSTS AND THEIR USE FOR (CO)POLYMERIZATION OF CYCLIC ESTERS

IPC classification:
C08G 63/84
Applicant:
University of British Columbia - Industry Liaison Office (UILO)
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11800010

SPRING-LOADED COMPRESSION ELECTRICAL CONNECTOR

IPC classification:
H01R 4/18, H01R 4/28, H01R 4/38, H01R 4/48, H01R 13/187, H01R 101/00
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13178408

A hardenable two part acrylic composition

IPC classification:
A61L 24/06, C08F 265/04, C08F 265/06, C08L 33/00, C08L 51/00
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP12840105

ARRAYS AND METHODS OF MANUFACTURE

IPC classification:
B32B 3/00
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP12809846

A CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE

IPC classification:
C07C 67/38, C07C 67/48, C07C 67/62, C07C 69/24
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP13700591

A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS AND A CATALYST THEREFOR

IPC classification:
C07C 51/353, C07C 67/343
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP13710582

DEHYDRATION OF WATER CONTAINING SOURCE OF FORMALDEHYDE, AND A METHOD FOR PRODUCING AN ETHYLENICALLY UNSATURATED CARBOXYLIC ESTER

IPC classification:
B01D 61/36, B01D 71/02, C07C 45/78, C07C 47/04, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13761099

SALEN INDIUM CATALYSTS AND METHODS OF MANUFACTURE AND USE THEREOF

IPC classification:
C07C 251/24, C08G 63/84
Applicant:
The University of British Columbia
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13721987

HARDENABLE TWO PART ACRYLIC COMPOSITION

IPC classification:
A61M 5/178, B05C 17/00, C04B 28/02, C08L 33/12
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13719170

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 57/04, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13719169

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13774227

A PROCESS FOR PRODUCTION OF A SILICA-SUPPORTED ALKALI METAL CATALYST

IPC classification:
B01J 23/04, B01J 38/48, C07C 51/00
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP14703164

HOT MELT ADHESIVE

IPC classification:
C08F 120/04, C08F 220/18, C08G 18/10, C08G 18/30, C09J 175/14
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP10803478

PROCESS FOR THE CARBONYLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS, NOVEL CARBONYLATION LIGANDS AND CATALYST SYSTEMS INCORPORATING SUCH LIGANDS

IPC classification:
B01J 31/04, B01J 31/24, C07F 9/50
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
PATENT GRANTED
EP11791623

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 57/04, C07C 67/03, C08F 20/06, C08F 20/10, C08F 20/14, C08L 33/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT
EP10800993

A GASKET

IPC classification:
F16J 15/06, F16J 15/12, F16L 23/18
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
PATENT GRANTED
EP10834131

COMPOSITION FOR TREATMENT AND PREVENTION OF BROAD SPECTRUM VIRUS AILMENTS COMPRISING A CALCIUM CHANNEL BLOCKER

IPC classification:
A61K 31/277, A61K 31/4422, A61K 31/5415, A61K 31/554, A61P 31/12
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
PATENT GRANTED
EP10838450

LIQUID DISTRIBUTION TROUGH FOR USE IN TOWERS IN SULPHURIC ACID AND CARBON CAPTURE PLANTS

IPC classification:
B01D 3/00, B01D 53/18, B01D 53/26, B01J 19/32
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

Please Sign in to use this feature