Inventor
Marcel Cheyrezy
Inventor
Sevres, FR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia50%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management25%
E04CStructural elements13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
6,723,162'Concrete comprising organic fibres dispersed in a cement matrix, concrete cement matrix and premixes'20046,478,867'Metal fibre concrete, cementitious matrix and pre-mixes for preparing matrix and concrete'20025,522,926'Method and a composition for preparing concrete elements having remarkable compressive strength and fracture energy, and elements obtained thereby'19965,503,670'Metal fiber concrete compositions for molding concrete elements, elements obtained and curing process'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2004Patents assigned to BOUYGUES SA (3)· patent assignee history
1996–2004Based in Sevres, FR· patent location history
2002–2004Patents assigned to LAFARGE SA (2)· patent assignee history
2002–2004Patents assigned to RHODIA CHIMIE SA (2)· patent assignee history
2002Patents assigned to BOUYGUES TRAVAUX PUBLICS (1)· patent assignee history
2002Based in Svres, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOUYGUES SA | 3 | 1996–2004 |
| LAFARGE SA | 2 | 2002–2004 |
| RHODIA CHIMIE SA | 2 | 2002–2004 |
| BOUYGUES TRAVAUX PUBLICS | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sevres, FR | 3 | 1996–2004 |
| Svres, FR | 1 | 2002 |