EP 0970041 A1 2000-01-12 - NEW DIAMINOALKANE AND OXIDATION DYEING AGENT
Title (en)
NEW DIAMINOALKANE AND OXIDATION DYEING AGENT
Title (de)
NEUE DIAMINOALKANE UND OXIDATIONSFÄRBEMITTEL
Title (fr)
NOUVEAUX DIAMINO-ALCANES ET TEINTURES D'OXYDATION
Publication
Application
Priority
- DE 19626740 A
- DE 19626743 A
- EP 9703466 W
Abstract (en)
[origin: DE19728334A1] N,N'-bis-(Diaminophenyl)-diaminoalkanes of formula (I) and their salts with (in)organic acids are new. R1 - R10 = H, 1-4C alkyl, 2-3C hydroxyalkyl, (1-4C) alkoxy-(2-3C) alkyl, 2-3C aminoalkyl or 2,3-dihydroxypropyl; n = 1-6; provided that the -NR1R2 and -NR7R8 groups are in the 4 and 4' or 5 and 5' positions.
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
A61K 8/00 (2006.01); A61K 8/41 (2006.01); A61Q 5/02 (2006.01); A61Q 5/10 (2006.01); C07C 211/51 (2006.01); C07C 211/53 (2006.01); C07C 215/16 (2006.01); C07C 217/08 (2006.01); D06P 1/32 (2006.01)
CPC (invention and additional information)
A61Q 5/10 (2013.01); A61K 8/411 (2013.01); C07C 211/51 (2013.01); D06P 1/32 (2013.01)
Citation (search report)
See references of WO 9801418A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE
EPO simple patent family
DE 19728334 A1 19980108; EP 0970041 A1 20000112; JP 2000514071 A 20001024; US 6024768 A 20000215; WO 9801418 A1 19980115
INPADOC legal status
2002-06-19 [18R] REFUSED
- Effective date: 20020120
2001-09-12 [17Q] FIRST EXAMINATION REPORT
- Effective date: 20010726
2000-01-12 [17P] REQUEST FOR EXAMINATION FILED
- Effective date: 19981223
2000-01-12 [AK] DESIGNATED CONTRACTING STATES:
- Kind Code of Ref Document: A1
- Designated State(s): AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE