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Germain Hagenbach
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Vernaison, FR
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last 30 patents
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Patent Grant
Cationic emulsions of bituminous binders of the bitumen type and th...
Patent number
4,576,648
Issue date
Mar 18, 1986
Elf France
Francis Demangeon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing bitumen-polymer compositions, application to...
Patent number
4,567,222
Issue date
Jan 28, 1986
Elf France
Germain Hagenbach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing bitumen-polymer compositions, application of...
Patent number
4,554,313
Issue date
Nov 19, 1985
Societe Anonyme dite: Elf France
Germain Hagenbach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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-...