Global Patent Index - EP 1044185 A2

EP 1044185 A2 2000-10-18 - NEW DERIVATIVES OF P-AMINOPHENOL AND THEIR USE

Title (en)

NEW DERIVATIVES OF P-AMINOPHENOL AND THEIR USE

Title (de)

NEUE P-AMINOPHENOL-DERIVATE UND DEREN VERWENDUNG

Title (fr)

NOUVEUAX DERIVES DE P-AMINOPHENOL ET LEUR UTILISATION

Publication

EP 1044185 A2 (DE)

Application

EP 98967098 A

Priority

  • DE 19756137 A
  • EP 9807961 W

Abstract (en)

[origin: DE19756137A1] Compounds of general formula (I), wherein A, B,C and D represent, independently from each other, an -OH- or -NHR- group, wherein R stands for a hydrogen atom or a C1-4 alkyl radical, with the proviso that A, B, C or D respectively stands for a hydroxy group, X stands for oxygen, sulphur, a sulfoxy or sulfoxyl group, R<1> and R<2> represent, independently from each other, hydrogen, fluorine, chlorine, a C1-4 alkyl or hydroxyalkyl group or a C2-4-dihydroxy-alkyl group, preferably a C2-dihydroxy alkyl group, and the physically acceptable salts of these compounds are highly suitable for use as developer components in oxidation coloring agents.

IPC 1-7 (main, further and additional classification)

C07C 217/76; A61K 7/13

IPC 8 full level (invention and additional information)

A61K 8/00 (2006.01); A61K 8/33 (2006.01); A61K 8/41 (2006.01); A61K 8/46 (2006.01); A61K 8/49 (2006.01); A61Q 5/10 (2006.01); C07C 215/76 (2006.01); C07C 217/76 (2006.01); C07C 317/18 (2006.01); C07C 317/28 (2006.01); C07C 323/27 (2006.01); D06P 3/10 (2006.01)

CPC (invention and additional information)

A61Q 5/10 (2013.01); A61K 8/415 (2013.01); C07C 215/76 (2013.01)

Citation (search report)

See references of WO 9931054A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19756137 A1 19990624; AU 3248499 A 19990705; BR 9813819 A 20001010; CA 2315197 A1 19990624; CN 1282317 A 20010131; EP 1044185 A2 20001018; HU 0004392 A2 20010428; JP 2002508351 A 20020319; NO 20003128 A 20000616; NO 20003128 D0 20000616; PL 341599 A1 20010423; SK 9152000 A3 20001107; WO 9931054 A2 19990624; WO 9931054 A3 19990910

INPADOC legal status


2002-07-03 [18R] REFUSED

- Effective date: 20020204

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

- Effective date: 20010726

2000-10-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000608

2000-10-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

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