Inventor

Jean-Paul Darnanville

Inventor
Grand Couronne, FR

Overview

9→
Patents
1983–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry47%
C07CAcyclic or carbocyclic compounds29%
C10GCracking hydrocarbon oils18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2006Patents assigned to SHELL OIL CO (9)· patent assignee history
1983–2006Based in Grand Couronne, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO91983–2006
Locations
LocationPatentsSpan
Grand Couronne, FR91983–2006