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| US4378300 | 10 Dic 1981 | 29 Mar 1983 | Colgate-Palmolive Company | Peroxygen bleaching composition |
| US4422950 | 4 Dic 1981 | 27 Dic 1983 | Lever Brothers Company | Bleach activator granules and preparation thereof |
| US4483778 | 22 Dic 1983 | 20 Nov 1984 | The Procter & Gamble Company | Peroxygen bleach activators and bleaching compositions |
| US4486327 | 22 Dic 1983 | 4 Dic 1984 | The Procter & Gamble Company | Bodies containing stabilized bleach activators |
| US4539130 | 30 Oct 1984 | 3 Sep 1985 | The Procter & Gamble Company | Peroxygen bleach activators and bleaching compositions |
| US4541944 | 9 Abr 1984 | 17 Sep 1985 | Interox Chemicals Limited | Compositions and processes employing activators for the generation of peroxyacids |
| US4671891 | 18 Feb 1986 | 9 Jun 1987 | The Procter & Gamble Company | Bleaching compositions |
| US6513180 | 10 May 2001 | 4 Feb 2003 | Maytag Corporation | Washing machine incorporating a bleach activator |
