Inventor
Jean-Michel Popa
Inventor
Drancy, FR
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds38%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry35%
C01BNon-metallic elements9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C22CAlloys3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
6,018,057'Process for producing acid anhydrides'20006,005,145'Metallic compounds useful as catalysts'19995,973,210'Intermetallic ruthenium tin-catalyst for use in aldehyde synthesis'19995,399,336'Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith'19955,380,691'Catalytic microporous zirconia particulates'19955,260,456'Process for producing itaconic anhydride'19935,254,746'Hydroxylation of phenols/phenol ethers'19935,246,688'Production of silica-based MFI zeolites'19935,208,196'Aluminum bridged clays'19935,160,496'Hydroxylation of phenols/phenol ethers'19925,149,888'Hydroxylation of phenols/phenol ethers'19925,118,651'Chemical compound containing alkali metals or alkaline earth metals, catalyst containing the compound and process for the production of the catalyst'19925,082,641'Silicon/titanium oxide MFI zeolites'19925,055,623'Preparation of phenols by direct N.sub.2 O hydroxylation of aromatic substrates'19915,003,114'Hydroxylation of phenols/phenol ethers'19914,996,376'Preparation of dinitrotoluenes'19914,976,944'Purification of silane gas'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1999Patents assigned to RHONE POULENC CHIMIE (15)· patent assignee history
1990–2000Based in Drancy, FR· patent location history
1999Patents assigned to RHONE POULENC FIBRES (1)· patent assignee history
1999Based in Campinas, ES· patent location history
2000Patents assigned to RHODIA CHIMIE SA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RHONE POULENC CHIMIE | 15 | 1990–1999 |
| RHODIA CHIMIE SA | 1 | 2000 |
| RHONE POULENC FIBRES | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Drancy, FR | 16 | 1990–2000 |
| Campinas, ES | 1 | 1999 |