Global Patent Index - EP 1368362 A1

EP 1368362 A1 20031210 - ASCORBIC ACID 2-PHOSPHATE METAL SALT WITH LOW CALCIUM CONTENT

Title (en)

ASCORBIC ACID 2-PHOSPHATE METAL SALT WITH LOW CALCIUM CONTENT

Title (de)

ASCORBINSÄURE-2-PHOSPHAT METALSALZ MIT GERINGEM KALZIUM GEHALT

Title (fr)

SEL DE METAL D'ACIDE ASCORBIQUE-2-PHOSPHATE A FAIBLE TENEUR DE CALCIUM

Publication

EP 1368362 A1 20031210 (EN)

Application

EP 02701682 A 20020301

Priority

  • JP 0201926 W 20020301
  • JP 2001057982 A 20010302
  • US 27503301 P 20010313

Abstract (en)

[origin: WO02070531A1] One of the object of the present invention is to provide an L-ascorbic acid 2-phosphate metal salt, which causes no clouding and scarcely precipitates or deposits even when added to a cosmetic material or the like having blended therein an organic acid. Disclosed herein is an L-ascorbic acid-2-phosphate metal salt with a low calcium content characterized in that the content of a calcium compound is 500 ppm or less in terms of calcium ion, and production process thereof.

IPC 1-7

C07F 9/655; A61K 7/48

IPC 8 full level

A61K 8/67 (2006.01); A61Q 11/00 (2006.01); A61Q 19/00 (2006.01); A61Q 19/02 (2006.01); A61Q 19/08 (2006.01); A61Q 19/10 (2006.01); C07F 9/655 (2006.01)

CPC (source: EP)

A61K 8/676 (2013.01); A61Q 19/00 (2013.01); C07F 9/65515 (2013.01)

Citation (search report)

See references of WO 02070531A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 02070531 A1 20020912; CN 1216061 C 20050824; CN 1494547 A 20040505; EP 1368362 A1 20031210

DOCDB simple family (application)

JP 0201926 W 20020301; CN 02805868 A 20020301; EP 02701682 A 20020301