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Inventor

Nigel Hughes

Inventor
Oldham, GB

Overview

15→
Patents
1976–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments30%
C07DHeterocyclic compounds21%
C09DCoating compositions, e.g. paints, varnishes or lacquers15%
G03GElectrography9%
B41MPrinting, duplicating, marking, or copying processes6%
G06FElectric digital data processing6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C07CAcyclic or carbocyclic compounds3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
8,271,927'Combination of ground devices in wiring harness designs'20127,735,044'Combination of ground devices in wiring harness designs'20105,717,112'Benzofuranone and benzodifuranone compounds'19985,625,080'Benzodifurantrione compounds and process'1997RE035145'Substituted phthalocyanine'19965,374,724'Process for the preparation of substituted acetic acids'19945,220,040'Mixed and mixed crystal benzodefuranone dyes'19935,203,912'Anionic dye'19935,189,181'Process for preparation 2,6-dihydrobenzo[1:26, 4:5-6]-difuran dyes'19935,053,495'Anionic dye having high water-fastness'19914,922,020'1,1,5,5-tetra(4-aminophenyl)-pentadi-1,4-ene compounds'19904,908,062'Water-soluble dye'19904,824,948'Substituted phthalocyanine'19893,963,853'Pressure sensitive transfer sheet'19763,936,437'Monoazo compounds derived from 2-hydroxymethyl-amino benzoic acids and 2,6-dihydroxypyridines'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Manchester, GB· patent location history
1989–1993Patents assigned to ICI PLC (7)· patent assignee history
1989–1998Based in Oldham, GB· patent location history
1993Based in Shaw, GB· patent location history
1994–1998Patents assigned to ZENECA LTD (4)· patent assignee history
2010–2012Patents assigned to HOLDSWORTH SIMON EDWARD (2)· patent assignee history
2010–2012Patents assigned to HUGHES NIGEL (2)· patent assignee history
2010–2012Patents assigned to JONES JEFFRY A (2)· patent assignee history
2010Based in Newbury, GB· patent location history
2012Based in Avebury, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC71989–1993
ZENECA LTD41994–1998
HOLDSWORTH SIMON EDWARD22010–2012
HUGHES NIGELself22010–2012
JONES JEFFRY A22010–2012
Locations
LocationPatentsSpan
Oldham, GB101989–1998
Avebury, GB12012
Newbury, GB12010
Shaw, GB11993
Manchester, GB11976