ELF UNION

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Patents Grantslast 30 patents

Information Patent Grant
Catalysts for water dealkylation of aromatic hydrocarbons
- Patent number 4,311,614
- Issue date Jan 19, 1982
- Elf-Union
- Michel Grand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heavy fuel-oil compositions having an improved stability under stor...
- Patent number 4,264,334
- Issue date Apr 28, 1981
- Institut Francais du Petrole
- Jean-Pierre Durand
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of bituminous compositions making use o...
- Patent number 4,242,246
- Issue date Dec 30, 1980
- Elf-Union
- Paul Maldonado
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for improving the properties of bituminous products and an...
- Patent number 4,242,143
- Issue date Dec 30, 1980
- Elf-Union
- Germain Hagenbach
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process and device to measure the asphaltene content of petroleum p...
- Patent number 4,238,451
- Issue date Dec 9, 1980
- Elf Union
- Andre Ciais
- G01 - MEASURING TESTING
Information Patent Grant
Water dealkylation catalyst of aromatic hydrocarbons
- Patent number 4,238,368
- Issue date Dec 9, 1980
- Elf-Union
- Daniel Duprez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of bitumens modified by polymers
- Patent number 4,237,052
- Issue date Dec 2, 1980
- Elf-Union
- Fredj Fitoussi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalysts for water dealkylation of aromatic hydrocarbons
- Patent number 4,233,186
- Issue date Nov 11, 1980
- Elf-Union
- Daniel Duprez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for storing calories
- Patent number 4,221,259
- Issue date Sep 9, 1980
- Elf-Union
- Michel Ronc
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Catalytic treatment of gas oils
- Patent number 4,206,037
- Issue date Jun 3, 1980
- Elf-Union
- Jacques Bousquet
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalytic process for hydro-treating gas oils in the presence of hy...
- Patent number 4,206,044
- Issue date Jun 3, 1980
- Elf-Union
- Jacques Bousquet
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Solar energy absorbing roof
- Patent number 4,201,193
- Issue date May 6, 1980
- Elf-Union
- Michel Ronc
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Preparation of alkyl or aralkyl thiosulfates
- Patent number 4,191,702
- Issue date Mar 4, 1980
- Elf-Union
- Gilbert Chapelet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus permitting an improvement of the carburetion of internal...
- Patent number 4,182,296
- Issue date Jan 8, 1980
- Elf-Union
- Jean-Claude Fayard
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Instrument for the continuous measurement of viscosity, especially...
- Patent number 4,165,631
- Issue date Aug 28, 1979
- Elf Union
- Abel Boinet
- G01 - MEASURING TESTING
Information Patent Grant
Bitumen compositions containing polymers
- Patent number 4,164,490
- Issue date Aug 14, 1979
- Elf-Union
- Germain Hagenbach
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing novel bitumen compositions
- Patent number 4,154,710
- Issue date May 15, 1979
- Elf-Union
- Paul Maldonado
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing bitumen-polymer compositions
- Patent number 4,145,322
- Issue date Mar 20, 1979
- Elf-Union
- Paul Maldonado
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of dehydrocyclizing aliphatic hydrocarbons
- Patent number 4,104,320
- Issue date Aug 1, 1978
- Elf-Union
- Jean Rene Bernard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heating and cooling enclosure for a gas chromatographic column
- Patent number 4,096,908
- Issue date Jun 27, 1978
- Elf Union
- Henri Lamy
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
72382927 - ELFMATIC
- Serial number 72382927
- Registration number 950230
- Filing date Feb 4, 1971
- ELF UNION
- 4 - Industrial oils and greases

Organization

Patents Grantslast 30 patents

Catalysts for water dealkylation of aromatic hydrocarbons

Heavy fuel-oil compositions having an improved stability under stor...

Process for the preparation of bituminous compositions making use o...

Process for improving the properties of bituminous products and an...

Process and device to measure the asphaltene content of petroleum p...

Water dealkylation catalyst of aromatic hydrocarbons

Method for the preparation of bitumens modified by polymers

Catalysts for water dealkylation of aromatic hydrocarbons

Process for storing calories

Catalytic treatment of gas oils

Catalytic process for hydro-treating gas oils in the presence of hy...

Solar energy absorbing roof

Preparation of alkyl or aralkyl thiosulfates

Apparatus permitting an improvement of the carburetion of internal...

Instrument for the continuous measurement of viscosity, especially...

Bitumen compositions containing polymers

Method of preparing novel bitumen compositions

Process for preparing bitumen-polymer compositions

Method of dehydrocyclizing aliphatic hydrocarbons

Heating and cooling enclosure for a gas chromatographic column

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

72382927 - ELFMATIC