Inventor
Arthur Topham
Inventor
Manchester, GB
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers29%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
C07DHeterocyclic compounds12%
PatentTitleYear
6,368,669'Blocked isocyanates'20025,986,033'Blocked isocyanates'19995,352,755'Blocked isocyanates'19945,246,557'Blocked isocyanates'19934,976,837'Blocked isocyanates'19904,518,435'Dispersing agent for solids in polar organic liquids'19854,398,955'Dispersions'19834,224,212'Dispersing agents, dispersions containing these agents and paints and inks made from the dispersions'19804,166,066'Dispersing agents'19794,163,749'Dispersing agents'19794,157,266'Dispersion of pigment or dyestuff in organic liquid'19794,129,455'Dispersions'19784,125,413'Dispersion of polycyclic vat-dye pigment with N,N\'-disubstituted diaminostilbene sulfonic acid fluidizing agent'19784,057,436'Dispersion of solids in organic solvents'19774,042,413'Dispersing agents'19774,013,687'Anthraquinone dispersing agents'19773,996,059'Dispersing agents'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to ICI LTD (11)· patent assignee history
1976–1985Based in Manchester, GB· patent location history
1978–2002Based in Middleton, GB· patent location history
1980Based in Blackley, GB· patent location history
1983Patents assigned to ICI PLC (1)· patent assignee history
1990–2002Patents assigned to BAXENDEN CHEM (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ICI LTD | 11 | 1976–1985 |
| BAXENDEN CHEM | 5 | 1990–2002 |
| ICI PLC | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Manchester, GB | 10 | 1976–1985 |
| Middleton, GB | 6 | 1978–2002 |
| Blackley, GB | 1 | 1980 |