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Inventor

Nigel Hall

Inventor
Bury, GB

Overview

20→
Patents
1978–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 20 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. pigments42%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
D06PDyeing or printing textiles16%
C07DHeterocyclic compounds11%
B41MPrinting, duplicating, marking, or copying processes4%
C07CAcyclic or carbocyclic compounds2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
Y02PClimate change mitigation technologies in the production or processing of goods2%
PatentTitleYear
8,226,758'Disperse dyes mixtures'20127,833,291'Dispersion dye, the production and use thereof'20107,682,408'Disperse azo dyestuffs'20107,358,345'Disperse azo dyestuffs'20087,118,604'Non azo disperse dye mixtures'20066,462,204'Polycyclic dyes'20026,048,370'Monoazo dyes containing a fluorosulphonyl group and use thereof'20005,998,592'Monoazo dyes containing a fluorosulphonyl group and use thereof'19995,782,934'Process of dyeing with disazo dyes containing a fluorosulphonyl group and use thereof'19985,759,212'Process for coloring synthetic textile materials'19985,759,211'Anthraquinone dyes containing a fluorosulphonyl group and use thereof'19985,739,299'Monoazo dyes which are free from water-solubilizing groups and which contain a fluorosulphonyl group and process for colouring polyamides and polyester materials therewith'19985,389,597'Benzofuranones'19955,374,724'Process for the preparation of substituted acetic acids'19945,362,888'Preparation of polycyclic dyes'19945,268,490'Benzofuranones'19935,189,181'Process for preparation 2,6-dihydrobenzo[1:26, 4:5-6]-difuran dyes'19934,512,773'Cationic triphendioxazine dyes, methods for their manufacture and their use for dyeing cellulosic substrates'19854,192,800'Process for the manufacture of aromatic nitriles'19804,104,270'Process for the manufacture of aromatic phosphonates'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1980Patents assigned to ICI LTD (2)· patent assignee history
1978–1980Based in Manchester, GB· patent location history
1985–1995Patents assigned to ICI PLC (4)· patent assignee history
1985Based in Lancashire, GB· patent location history
1993–2012Based in Bury, GB· patent location history
1993–2000Based in Greenmount, GB· patent location history
1994–1998Patents assigned to ZENECA LTD (6)· patent assignee history
1999–2000Patents assigned to BASF AG (2)· patent assignee history
2002–2010Patents assigned to DYSTAR TEXTILFARBEN GMBH & CO (5)· patent assignee history
2008Based in Lancs, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZENECA LTD61994–1998
DYSTAR TEXTILFARBEN GMBH & CO52002–2010
ICI PLC41985–1995
BASF AG21999–2000
ICI LTD21978–1980
Locations
LocationPatentsSpan
Bury, GB111993–2012
Greenmount, GB51993–2000
Manchester, GB21978–1980
Lancs, GB12008
Lancashire, GB11985