Global Patent Index - EP 1023239 A1

EP 1023239 A1 2000-08-02 - STABLE SUPERSATURATED SODIUM PERBORATE SOLUTION AND ITS USE FOR MAKING STABILISED SODIUM PERCARBONATE PARTICLES

Title (en)

STABLE SUPERSATURATED SODIUM PERBORATE SOLUTION AND ITS USE FOR MAKING STABILISED SODIUM PERCARBONATE PARTICLES

Title (de)

STABILE ÜBERSÄTTIGTE LÖSUNG VON NATRIUMPERBORAT UND IHRE ANWENDUNG IN DER HERSTELLUNG VON STABILEN NATRIUMPERCARBONATTEILCHEN

Title (fr)

SOLUTION SURSATUREE STABLE DE PERBORATE DE SODIUM ET SON APPLICATION DANS LA FABRICATION DES PARTICULES DE PERCARBONATE DE SODIUM STABILISEES

Publication

EP 1023239 A1 (FR)

Application

EP 98941541 A

Priority

  • FR 9801741 W
  • FR 9711094 A

Abstract (en)

[origin: FR2768140A1] The invention concerns a stable supersaturated aqueous sodium perborate solution and its use for stabilising sodium percarbonate particles.

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

C01B 15/10; C01B 15/12

IPC 8 full level (invention and additional information)

C01B 15/10 (2006.01); C01B 15/12 (2006.01); C11D 3/39 (2006.01); C11D 3/395 (2006.01)

CPC (invention and additional information)

C01B 15/106 (2013.01); C01B 15/123 (2013.01)

Citation (search report)

See references of WO 9912848A1

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

FR 2768140 A1 19990312; FR 2768140 B1 19991008; AU 747168 B2 20020509; AU 8988198 A 19990329; CN 1134374 C 20040114; CN 1277593 A 20001220; EP 1023239 A1 20000802; JP 2001515831 A 20010925; WO 9912848 A1 19990318

INPADOC legal status


2008-08-20 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20080228

2000-08-02 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000405

2000-08-02 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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