Inventor
Pierre Bergez
Inventor
Paris, FR
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation31%
C10GCracking hydrocarbon oils23%
C01BNon-metallic elements8%
C01GCompounds containing metals not covered by subclasses c01d or c01f8%
C10MLubricating compositions8%
C23CCoating metallic material8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment8%
PatentTitleYear
4,925,566'Ultrafiltration, hyperfiltration or demineralization element, its production process and its use for the treatment of liquid radioactive effluents'19904,816,140'Process for deasphalting a hydrocarbon oil'19894,756,821'Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst'19884,623,263'Apparatus for the thermal measurement of the texture of a porous body'19864,545,964'Process for the preparation of porous products based on cobalt fluoride or lead fluoride'19854,411,790'Process for the treatment of a hydrocarbon charge by high temperature ultrafiltration'19834,053,662'Method of processing porous metal filters'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (7)· patent assignee history
1977Based in Asnieres, FR· patent location history
1983Patents assigned to RAFFINAGE CIE FRANCAISE (1)· patent assignee history
1983–1990Based in Paris, FR· patent location history
1986Patents assigned to CENTRE NAT RECH SCIENT (1)· patent assignee history
1988–1989Patents assigned to INST FRANCAIS DU PETROLE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMMISSARIAT ENERGIE ATOMIQUE | 7 | 1977–1990 |
| INST FRANCAIS DU PETROLE | 2 | 1988–1989 |
| CENTRE NAT RECH SCIENT | 1 | 1986 |
| RAFFINAGE CIE FRANCAISE | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Paris, FR | 6 | 1983–1990 |
| Asnieres, FR | 1 | 1977 |