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Inventor

Jean-Francois Coste

Inventor
Muret, FR

Overview

3→
Patents
1978–1983
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests38%
C09KMaterials for miscellaneous applications, not provided for elsewhere25%
B01DSeparation13%
C10LFuels not otherwise provided for13%
E21BEarth or rock drilling13%
PatentTitleYear
4,404,109'Aqueous micro-emulsions of organic substances'19834,252,657'Concentrate for the preparation of oil and water microemulsions having high salinity which are stable at high temperature'19814,120,816'Defoaming apparatus'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to ELF AQUITAINE (3)· patent assignee history
1978Based in Saint Gaudens, FR· patent location history
1981–1983Based in Muret, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELF AQUITAINE31978–1983
Locations
LocationPatentsSpan
Muret, FR21981–1983
Saint Gaudens, FR11978