Inventor
Arthur Ibbotson
Inventor
Manchester, GB
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds44%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds31%
C07DHeterocyclic compounds13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
4,700,010'Process for hydroxyarylaldehydes'19874,229,347'Liquid diphenylmethane diisocyanate compositions'19804,207,262'Chemical process for reducing the cyclohexanone content of crude aniline'19804,085,140'Carbodiimides'19784,069,198'Polyesters and polyester-urethanes stabilized with isoureas or isocyanate adducts thereof'19784,031,026'Diphenylmethane diisocyanate compositions'19774,014,935'Carbodiimides'19774,007,140'Tertiary amines as catalysts in polyurethane manufacture'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1980Patents assigned to ICI LTD (7)· patent assignee history
1977–1980Based in Manchester, GB· patent location history
1987Patents assigned to ICI PLC (1)· patent assignee history
1987Based in Glossop, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ICI LTD | 7 | 1977–1980 |
| ICI PLC | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Manchester, GB | 7 | 1977–1980 |
| Glossop, GB | 1 | 1987 |