Inventor

David Alan Pears

Inventor
Manchester, GB

Overview

24→
Patents
1991–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 24 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds16%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C07CAcyclic or carbocyclic compounds5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1994Patents assigned to ICI PLC (6)· patent assignee history
1991–1997Based in Chester, GB· patent location history
1992–1994Patents assigned to ICI RESINS BV (3)· patent assignee history
2002–2005Patents assigned to AVECIA LTD (6)· patent assignee history
2002Based in Blackley, GB· patent location history
2003–2016Based in Manchester, GB· patent location history
2007–2013Patents assigned to ARCH UK BIOCIDES LTD (4)· patent assignee history
2007–2016Based in Poynton, GB· patent location history
2013–2016Patents assigned to PEARS DAVID ALAN (3)· patent assignee history
2020–2021Based in Deeside, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AVECIA LTD62002–2005
ICI PLC61991–1994
ARCH UK BIOCIDES LTD42007–2013
ICI RESINS BV31992–1994
PEARS DAVID ALANself32013–2016
Locations
LocationPatentsSpan
Manchester, GB72003–2016
Chester, GB61991–1997
Poynton, GB52007–2016
Deeside, GB22020–2021
Blackley, GB22002