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Patent applications and USPTO patent grants for Hagenbach; Germain.The latest application filed is for "cationic emulsions of bituminous binders of the bitumen type and their process of preparation".
Patent | Date |
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Cationic emulsions of bituminous binders of the bitumen type and their process of preparation Grant 4,576,648 - Demangeon , et al. March 18, 1 | 1986-03-18 |
Process for preparing bitumen-polymer compositions, application to these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions Grant 4,567,222 - Hagenbach , et al. January 28, 1 | 1986-01-28 |
Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions Grant 4,554,313 - Hagenbach , et al. November 19, 1 | 1985-11-19 |
Process for improving the properties of bituminous products and an improved cast asphalt Grant 4,242,143 - Hagenbach , et al. December 30, 1 | 1980-12-30 |
Method for separating the constituents of a gas mixture by making use of a rapid selective adsorbent Grant 4,054,430 - Valentin , et al. October 18, 1 | 1977-10-18 |
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