Inventor
Sophie Drozdz
Inventor
Brindas, FR
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation33%
C07CAcyclic or carbocyclic compounds17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C01BNon-metallic elements11%
C10LFuels not otherwise provided for11%
C07DHeterocyclic compounds6%
C10GCracking hydrocarbon oils6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
10,829,463Process for separating furanic compounds, in particular 5-hydroxymethylfurfural, from dimethoxysulfoxide by liquid-liquid extractions202010,463,987Process for purifying an aqueous solution comprising diethylacetal201910,351,497Use of a Lewis donor solvent to purify a feedstock that contains ethanol, acetaldehyde, and impurities20199,586,875'Process for purification of olefinic feedstocks using an adsorbent comprising a 12 MR-type zeolite'20178,071,068'Process for desulphurization of a gaseous effluent comprising a device for on-line analysis and control'20117,635,424'Method of capturing mercaptans contained in a natural gas by concentration'20097,597,872'Process for treating a gas containing hydrogen sulphide and sulphur dioxide'20097,192,565'Method of collecting mercaptans contained in a gaseous feed'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2009Patents assigned to INST FRANCAIS DU PETROLE (3)· patent assignee history
2007–2011Based in Lyons, FR· patent location history
2011Patents assigned to CARRETTE P-LOUIS (1)· patent assignee history
2011Patents assigned to DROZDZ SOPHIE (1)· patent assignee history
2017–2020Patents assigned to IFP ENERGIES NOW (4)· patent assignee history
2017–2020Based in Brindas, FR· patent location history
2019Patents assigned to MICHELIN & CIE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IFP ENERGIES NOW | 4 | 2017–2020 |
| INST FRANCAIS DU PETROLE | 3 | 2007–2009 |
| MICHELIN & CIE | 2 | 2019 |
| CARRETTE P-LOUIS | 1 | 2011 |
| DROZDZ SOPHIEself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brindas, FR | 4 | 2017–2020 |
| Lyons, FR | 4 | 2007–2011 |