Inventor

Josepha M. E. Seelen-Kruijssen

Inventor
Amsterdam, NL

Overview

11→
Patents
1979–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 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 lacquers35%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds30%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C01BNon-metallic elements9%
C10GCracking hydrocarbon oils9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1986Patents assigned to SHELL OIL CO (9)· patent assignee history
1979–1994Based in Amsterdam, NL· patent location history
1987Patents assigned to ERP WILLIBRORD A VAN (1)· patent assignee history
1987Patents assigned to HUIZINGA TOM (1)· patent assignee history
1987Patents assigned to SEELEN KRUIJSSEN JOSEPHA M E (1)· patent assignee history
1994Patents assigned to SHELL RES LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO91979–1986
ERP WILLIBRORD A VAN11987
HUIZINGA TOM11987
SEELEN KRUIJSSEN JOSEPHA M Eself11987
SHELL RES LTD11994
Locations
LocationPatentsSpan
Amsterdam, NL111979–1994