Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765154 | Transparent softening agents | Nuria Bonastre Gilabert, Rafael Pi Subirana, Gabriela Caldero | 2014-07-01 |
| 6710082 | Use of hydroxycarboxylic acid esters as thickeners | Rafael Pi Subirana, Ester Prat Queralt | 2004-03-23 |
| 6028229 | Process for producing end-group-locked non-ionic tensides | Nuria Bonastre, Rafael Pi Subirana, Antonio Trius Oliva | 2000-02-22 |
| 5958868 | Process for producing aqueous surfactant concentrates | Rafael Pi Subirana, Nuria Bonastre Gilabert, Ester Prat Queralt | 1999-09-28 |
| 5955567 | Method of producing cross-linked cationic polymers | Rafael Pi Subirana | 1999-09-21 |
| 5886201 | Quaternized fatty acid triethanolamine ester salts with improved solubility in water | Nuria Bonastre, Rafael Pi Subirana | 1999-03-23 |
| 5880299 | Esterquats | Oriol Ponsati Obiols, Nuria Bonastre | 1999-03-09 |
| 5869716 | Process for the production of esterquats | Rafael Pi Subirana, Antonio Trius Oliva | 1999-02-09 |
| 5847229 | Process for the production of end-capped nonionic surfactants | Nuria Bonastre, Antonio Trius Oliva, Rafael Pi Subirana | 1998-12-08 |
| 5811594 | Methyl-end-capped alkyl and/or alkenyl polyglycol ethers | Karl Schmid | 1998-09-22 |
| 5783534 | Process for the production of solid esterquats | Bernd Wahle, Rafael Pi, Antoni Soler Codina, Emili Brau Balague, Yvonne Reichert +1 more | 1998-07-21 |
| 5670677 | Process for the production of color- and odor-stable quaternized fatty acid triethanolamine ester salts | Oriol Ponsati Obiols | 1997-09-23 |
| 5580850 | Foaming detergent mixtures | Esther Prat Queralt, Oriol Ponsati Obiols | 1996-12-03 |
| 5576451 | Esters of fatty acids with ethoxylated polyols | Antonio Trius Oliva, Oriol Ponsati Obiols, Esther Prat Queralt | 1996-11-19 |