Inventor
David Randall
Inventor
Everberg, BE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds32%
C08JWorking-up26%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C08LCompositions of macromolecular compounds6%
C22BProduction and refining of metals6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
C07DHeterocyclic compounds3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing3%
PatentTitleYear
5,869,545'Organic aerogels'19995,730,896'Polymeric foams'19985,703,136'Polymeric foams'19975,525,697'Process for cellular polymeric products'19965,439,948'Process for cellular polymeric products'19955,342,590'Method of making alkali metal stannates'19945,264,462'Polymeric foams'19935,209,911'Method of making metal stannates'19935,132,040'Chemical blowing agent'19925,112,879'Chemical blowing agent'19925,112,877'Polyisocyanate composition'19924,972,004'Polyisocyanate compositions and foam comprising MDI, polymeric MDI, and a prepolymer of MDI'19904,703,069'Polyether polyols, their manufacture and use in polyurethanes production'19874,622,156'Tanning of leather'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1994Patents assigned to ALCAN INT LTD (3)· patent assignee history
1986Based in Slough, GB· patent location history
1987–1998Patents assigned to ICI PLC (10)· patent assignee history
1987–1992Based in Erps-Kwerps, BE· patent location history
1992–1999Based in Everberg, BE· patent location history
1993–1994Based in London, GB· patent location history
1999Patents assigned to INPERIAL CHEMICAL IND PLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ICI PLC | 10 | 1987–1998 |
| ALCAN INT LTD | 3 | 1986–1994 |
| INPERIAL CHEMICAL IND PLC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Everberg, BE | 8 | 1992–1999 |
| Erps-Kwerps, BE | 3 | 1987–1992 |
| London, GB | 2 | 1993–1994 |
| Slough, GB | 1 | 1986 |