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Inventor

Henri Grangette

Inventor
Lyons, FR

Overview

9→
Patents
1978–1988
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C10Lprimary
C10LFuels not otherwise provided for31%
C09KMaterials for miscellaneous applications, not provided for elsewhere15%
C10MLubricating compositions15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C07CAcyclic or carbocyclic compounds8%
C23FNon-mechanical removal of metallic material from surface8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
4,758,360'Process for synthesizing overbased additives under constant pressure of carbon dioxide'19884,708,720'Protection of hydrocarbons against the action of microorganisms'19874,647,703'Process for producing a hydrocarbon cut of high octane number by etherification of olefins'19874,543,195'Friction-reducing lubricating compositions each comprising an additive'19854,536,594'Process for the preparation of beta-disubstituted monocarboxylic acids'19854,404,109'Aqueous micro-emulsions of organic substances'19834,396,400'Process for improving the combustion of gas oils'19834,252,657'Concentrate for the preparation of oil and water microemulsions having high salinity which are stable at high temperature'19814,120,655'Method for the inhibition of corrosion of ferrous metals in an aqueous medium'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to ELF AQUITAINE (3)· patent assignee history
1978–1988Based in Lyons, FR· patent location history
1981Based in Lyon, FR· patent location history
1983–1988Patents assigned to ELF FRANCE (6)· patent assignee history
1987Patents assigned to INST FRANCAIS DU PETROLE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELF FRANCE61983–1988
ELF AQUITAINE31978–1983
INST FRANCAIS DU PETROLE11987
Locations
LocationPatentsSpan
Lyons, FR81978–1988
Lyon, FR11981