Inventor
Michel Grand
Inventor
Serezin du Rhone, FR
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry21%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A01BSoil working in agriculture or forestry7%
A01CPlanting7%
C10GCracking hydrocarbon oils7%
PatentTitleYear
9,500,567'Soil sampler'20169,116,078'Soil sampler and method'20154,311,614'Catalysts for water dealkylation of aromatic hydrocarbons'19824,268,702'Catalytic conversion of aromatic fractions in the presence of steam'19814,238,368'Water dealkylation catalyst of aromatic hydrocarbons'19804,233,186'Catalysts for water dealkylation of aromatic hydrocarbons'19804,061,690'Method of catalytic conversion of butane'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to ELF AQUITAINE (1)· patent assignee history
1977Based in Saint Symphorien, FR· patent location history
1980–1982Patents assigned to ELF UNION (3)· patent assignee history
1980–1982Based in Serezin du Rhone, FR· patent location history
2015–2016Patents assigned to GRAND MICHEL (2)· patent assignee history
2015–2016Patents assigned to SCHEIDERER DAVID (2)· patent assignee history
2015–2016Based in Irwin, OH, US· patent location history
2016Patents assigned to DELK EVAN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELF UNION | 3 | 1980–1982 |
| GRAND MICHELself | 2 | 2015–2016 |
| SCHEIDERER DAVID | 2 | 2015–2016 |
| DELK EVAN | 1 | 2016 |
| ELF AQUITAINE | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Serezin du Rhone, FR | 4 | 1980–1982 |
| Irwin, OH, US | 2 | 2015–2016 |
| Saint Symphorien, FR | 1 | 1977 |