Global Patent Index - EP 0912442 B8

EP 0912442 B8 2003-06-25 - USE OF SILICA AS AGENT FOR CONTROLLING THE DEGRADATION OF BICARBONATE, RESULTING MIXTURE AND ITS APPLICATION

Title (en)

USE OF SILICA AS AGENT FOR CONTROLLING THE DEGRADATION OF BICARBONATE, RESULTING MIXTURE AND ITS APPLICATION

Title (de)

VERWENDUNG VON KIESELSÄURE AUS DEM ABBAU VON BIKARBONAT KONTROLLIERENDEM WIRKSTOFF, MISCHUNG DARAUS UND IHRE VERWENDUNG

Title (fr)

UTILISATION DE SILICE COMME AGENT CONTROLANT LA DEGRADATION DU BICARBONATE, MELANGE RESULTANT ET SON APPLICATION

Publication

EP 0912442 B8 (FR)

Application

EP 97932858 A

Priority

  • FR 9701234 W
  • FR 9608458 A

Abstract (en)

[origin: WO9801390A1] The invention concerns the use of silica as agent for controlling the thermal degradation of bicarbonate of an alkaline, alkaline-earth metal or bicarbonate of ammonia with an average particle size less than or equal to 100 mu m. The invention also concerns the use of the resulting bicarbonate and silica mixtures in cosmetics and detergents, and more particularly in formulae for toothpaste.

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

C01B 31/24

IPC 8 full level (invention and additional information)

A61K 8/04 (2006.01); A61K 8/19 (2006.01); A61K 8/25 (2006.01); A61K 33/00 (2006.01); A61Q 11/00 (2006.01); A61Q 19/00 (2006.01); C01B 32/60 (2017.01); C01D 7/42 (2006.01); C11D 3/10 (2006.01); C11D 3/12 (2006.01); C11D 7/12 (2006.01); C11D 7/20 (2006.01)

CPC (invention and additional information)

C11D 7/20 (2013.01); A61K 8/0241 (2013.01); A61K 8/19 (2013.01); A61K 8/25 (2013.01); A61Q 11/00 (2013.01); A61Q 19/00 (2013.01); C01B 32/60 (2017.08); C11D 3/124 (2013.01); C11D 7/12 (2013.01); A61K 2800/412 (2013.01); Y10S 514/97 (2013.01)

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL

EPO simple patent family

WO 9801390 A1 19980115; AT 238235 T 20030515; AU 3624597 A 19980202; DE 69721266 D1 20030528; DE 69721266 T2 20040325; EP 0912442 A1 19990506; EP 0912442 B1 20030423; EP 0912442 B8 20030625; FR 2750691 A1 19980109; FR 2750691 B1 19981211; US 6284288 B1 20010904

INPADOC legal status


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2005-04-29 [REG FR ST] NOTIFICATION OF LAPSE

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2004-04-14 [26N] NO OPPOSITION FILED

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2004-03-15 [REG CH PL] PATENT CEASED

2003-09-24 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

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2003-05-28 [REF] CORRESPONDS TO:

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2003-04-30 [REG CH EP] ENTRY IN THE NATIONAL PHASE

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1999-06-16 [17Q] FIRST EXAMINATION REPORT

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