Inventor
Ignacio Layrisse
Inventor
Estado Miranda, VE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Lprimary
C10LFuels not otherwise provided for24%
C10GCracking hydrocarbon oils20%
C09KMaterials for miscellaneous applications, not provided for elsewhere16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
C08LCompositions of macromolecular compounds8%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
E21BEarth or rock drilling4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
6,405,799'Process for in SITU upgrading of heavy hydrocarbon'20026,384,091'Emulsion with coke additive in hydrocarbon phase and process for preparing same'20026,069,178'Emulsion with coke additive in hydrocarbon phase and process for preparing same'20005,964,906'Emulsion with solid additive in hydrocarbon phase and process for preparing same'19995,677,267'Thixotropic fluid for well insulation'19974,994,090'Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion'19914,915,819'Treatment of viscous crude oils'19904,834,775'Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion'19894,806,231'Method for desalting crude oil'19894,801,304'Process for the production and burning of a natural-emulsified liquid fuel'19894,781,819'Treatment of viscous crude oils'19884,521,277'Apparatus for upgrading heavy hydrocarbons employing a diluent'19854,455,221'Process for upgrading heavy hydrocarbons employing a diluent'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2002Patents assigned to INTEVEP SA (13)· patent assignee history
1984–2002Based in Estado Miranda, VE· patent location history
1988–1989Patents assigned to BRITISH PETROLEUM CO PLC (2)· patent assignee history
1988–1990Based in Miranda, VE· patent location history
1989–1991Based in San Luis, VE· patent location history
1990Patents assigned to BRITISH PETROLEUM COMPAN PLC (1)· patent assignee history
1997–2002Based in Caracas, VE· patent location history
1999Based in Caracus, VE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTEVEP SA | 13 | 1984–2002 |
| BRITISH PETROLEUM CO PLC | 2 | 1988–1989 |
| BRITISH PETROLEUM COMPAN PLC | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Estado Miranda, VE | 3 | 1984–2002 |
| Caracas, VE | 3 | 1997–2002 |
| San Luis, VE | 3 | 1989–1991 |
| Miranda, VE | 3 | 1988–1990 |
| Caracus, VE | 1 | 1999 |