|
| US4210763 | 26. Apr. 1978 | 1. Juli 1980 | Sandoz Ltd. | Water-soluble acid addition or quaternary ammonium salts useful in eliminating or preventing the brightening effects of anionic optical brighteners |
| US4233451 | 20. Okt. 1978 | 11. Nov. 1980 | The Procter & Gamble Company | Process for making imidazolinium salts |
| US4458080 | 7. Sept. 1982 | 3. Juli 1984 | Bayer Aktiengesellschaft | Imidazoline derivatives |
| US5470986 | 27. Juni 1994 | 28. Nov. 1995 | E. I. Du Pont de Nemours and Company | Imidazolium hardeners for hydrophilic colloid |
| US5591863 | 5. Juni 1995 | 7. Jan. 1997 | Sterling Diagnostic Imaging, Inc. | Imidazolium hardeners for hydrophilic colloids |
| US5620595 | 1. Juni 1995 | 15. Apr. 1997 | Zeneca Limited | Swimming pool or like aqueous system containing an imidazolium, pyrazolium or triazolium salt as sanitizer |
| US5631274 | 11. Apr. 1995 | 20. Mai 1997 | Zeneca Limited | Imidazolium, pyrazolium and triazolium sailts as swimming pool sanitizers |
| US5643498 | 19. Aug. 1994 | 1. Juli 1997 | Rhone-Poulenc Inc. | Quaternary cationic surfactants having multiple hydrophobic and hydrophilic groups |
| US5656586 | 19. Aug. 1994 | 12. Aug. 1997 | Rhone-Poulenc Inc. | Amphoteric surfactants having multiple hydrophobic and hydrophilic groups |
| US6200369 | 28. Apr. 1999 | 13. März 2001 | Xerox Corporation | Ink compositions |
