Inventor
Rudolph O. de Jongh
Inventor
The Hague, NL
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Cprimary
C11CFatty acids from fats, oils or waxes33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C08LCompositions of macromolecular compounds7%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1983Patents assigned to LEVER BROTHERS LTD (2)· patent assignee history
1982–1986Patents assigned to OCTROPA BV (2)· patent assignee history
1982–1987Based in The Hague, NL· patent location history
1985Patents assigned to INT OCTROOI MAATSCAPPIJ OCTROP (1)· patent assignee history
1987Patents assigned to UNILEVER PATENT HOLDINGS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEVER BROTHERS LTD | 2 | 1982–1983 |
| OCTROPA BV | 2 | 1982–1986 |
| INT OCTROOI MAATSCAPPIJ OCTROP | 1 | 1985 |
| UNILEVER PATENT HOLDINGS | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| The Hague, NL | 6 | 1982–1987 |