| Number | Date | Country | Kind |
|---|---|---|---|
| 00 02420 | Feb 2000 | FR |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3642807 | Walter et al. | Feb 1972 | A |
| 3717644 | Walter et al. | Feb 1973 | A |
| 4003699 | Rose et al. | Jan 1977 | A |
| 4013404 | Parent et al. | Mar 1977 | A |
| 4168953 | Rose | Sep 1979 | A |
| 4823985 | Grollier et al. | Apr 1989 | A |
| 5061289 | Clausen et al. | Oct 1991 | A |
| 5380340 | Neunhoeffer et al. | Jan 1995 | A |
| 5766576 | Löwe et al. | Jun 1998 | A |
| 5980585 | Terranova et al. | Nov 1999 | A |
| 6099593 | Terranova et al. | Aug 2000 | A |
| 6284277 | Bouloumie et al. | Sep 2001 | B1 |
| Number | Date | Country |
|---|---|---|
| 1 492 166 | Dec 1969 | DE |
| 23 59 399 | Jun 1975 | DE |
| 26 23 564 | Dec 1977 | DE |
| 38 43 892 | Jun 1990 | DE |
| 41 33 957 | Apr 1993 | DE |
| 195 43 988 | May 1997 | DE |
| 2 586 913 | Mar 1987 | FR |
| 2 733 749 | Nov 1996 | FR |
| 2 746 307 | Sep 1997 | FR |
| 2 750 048 | Dec 1997 | FR |
| 2 772 267 | Jun 1999 | FR |
| 1 026 978 | Apr 1966 | GB |
| 1 153 196 | May 1969 | GB |
| 2-19576 | Jan 1990 | JP |
| 03-113847 | May 1991 | JP |
| 03-164292 | Jul 1991 | JP |
| 9-110659 | Apr 1997 | JP |
| WO 9408969 | Apr 1994 | WO |
| WO 9408970 | Apr 1994 | WO |
| WO 9615765 | May 1996 | WO |
| Entry |
|---|
| Co-pending Application—Attorney Docket No. 05725.0858-00000, Compositions for Dyeing Keratin Fibres, Containing Cationic Indolizine Derivatives, and Dyeing Process, Philippe Breton et al., filing date Feb. 26, 2001. |
| Thomas Peglow et al., “Electrochemically Induced Hetero-[4+2]-Cycloaddition Reactions Between 2-Vinylpyrroles and β-Acceptro-Substituted Enamines”, Chemistry—A European Journal, vol. 4, No. 1, 1998, pp. 107-112. |
| Chemical Abstracts, vol. 91, No. 15, Oct. 1979, Abstract No. 123619v. |
| English language Derwent Abstract of DE 1 492 166. Dec. 11, 1969. |
| English language Derwent Abstract of FR 2 733 749, Nov. 8, 1996 |
| English language Derwent Abstract of FR 2 746 307, Dec. 26, 1997. |
| English language Derwent Abstract of JP 2-10576, Jan. 23, 1990. |
| English language Derwent Abstract of JP 9-110659. |