Inventor
Alan T. Costello
Inventor
Manchester, GB
Overview
Patents· 8 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. pigments38%
C07DHeterocyclic compounds31%
C07CAcyclic or carbocyclic compounds23%
D06PDyeing or printing textiles8%
PatentTitleYear
5,043,467'Chemical process'19914,590,308'Selective halogenation of benzene di and tri-methanol compounds'19864,236,018'Process for preparing cyclopropane carboxylic acids'19804,213,899'Reactive dyestuffs containing chlorine or fluorine substituents and one or more pyridine radicals linked to the dyestuff at the 2-, 4- or 6-position'19804,211,696'Disperse monoazo dyestuffs derived from 3,5-dinitro-2-amino thiophene as disazo component and an arylamine coupling component'19804,108,867'2-Aminothiophenes'19784,079,050'Disperse monoazo dyestuffs containing a thiophene residue'19783,956,300'Reactive triazinyl dyestuffs'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1980Patents assigned to ICI LTD (6)· patent assignee history
1976–1980Based in Manchester, GB· patent location history
1986–1991Patents assigned to ICI PLC (2)· patent assignee history
1986–1991Based in Ashton-under-Lyne, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ICI LTD | 6 | 1976–1980 |
| ICI PLC | 2 | 1986–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Manchester, GB | 6 | 1976–1980 |
| Ashton-under-Lyne, GB | 2 | 1986–1991 |