Global patent index - EP 0970041 A1

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

EP 0970041 A1 (DE)

Application

EP 97931739 A

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)

C07C 211/53; A61K 7/13

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

- Ref Legal Event Code: 18R

- Effective date: 20020120

2001-09-12 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010726

2000-01-12 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19981223

2000-01-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IT LI NL PT SE