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Inventor

David J. Tapolczay

Inventor
Reading, GB

Overview

10→
Patents
1989–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof35%
C07DHeterocyclic compounds30%
C07CAcyclic or carbocyclic compounds22%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C07BGeneral methods of organic chemistry4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
8,828,902'Microencapsulated catalyst methods of preparation and method of use thereof'20145,659,075'Chemical process for preparing an optically active aminodiol'19975,149,810'Pyrimidine compounds'19925,145,954'Derivatives of alphaphenylacrylic acid and their use in agriculture'19925,089,510'Insecticides'19925,077,297'Novel compounds'19915,039,807'Phenyl pyrid(-one or-thione) compounds which are intermediates'19914,990,512'Pyridyl-pyrimidones'19914,866,078'Phenyl pyridones and insectidal use thereof'19894,857,551'Insecticides'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to ICI PLC (8)· patent assignee history
1989–1992Based in Bracknell, GB· patent location history
1991–1992Based in Reading, GB· patent location history
1997Patents assigned to GLAXO GROUP LTD (1)· patent assignee history
1997Based in Stevenage, GB· patent location history
2014Patents assigned to LEY STEVEN VICTOR (1)· patent assignee history
2014Patents assigned to RAMARAO CHANDRASHEKAR (1)· patent assignee history
2014Patents assigned to REAXA LTD (1)· patent assignee history
2014Based in Redbourn, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC81989–1992
GLAXO GROUP LTD11997
LEY STEVEN VICTOR12014
RAMARAO CHANDRASHEKAR12014
REAXA LTD12014
Locations
LocationPatentsSpan
Reading, GB41991–1992
Bracknell, GB41989–1992
Redbourn, GB12014
Stevenage, GB11997