Title:
ANTI-INFLAMMATORY ANALGESICS
Document Type and Number:
WIPO Patent Application WO/2000/009121
Kind Code:
A1
Abstract:
Anti-inflammatory analgesics which contain as the active ingredient ascorbic acid derivatives represented by general formula (I) or salts thereof, exhibit favorable anti-inflammatory and analgesic effects and are excellent in storage stability, safety to the skin and the percutaneous absorbability of the active ingredient wherein at least one of R¿1?, R¿2? and R¿3? represents linear or branched C¿1-20? alkyl, alkylcarbonylmethyl, alkoxycarbonylmethyl, allylalkyl, acyl, sulfate or phosphate while the remainder represent hydrogen.
Inventors:
NIYIRO YASUNORI (JP)
KODA SHIGERU (JP)
SUGIYAMA SATORU (JP)
KODA SHIGERU (JP)
SUGIYAMA SATORU (JP)
Application Number:
PCT/JP1999/004308
Publication Date:
February 24, 2000
Filing Date:
August 10, 1999
Export Citation:
Assignee:
NIPPON HYPOX LAB INC (JP)
NIYIRO YASUNORI (JP)
KODA SHIGERU (JP)
SUGIYAMA SATORU (JP)
NIYIRO YASUNORI (JP)
KODA SHIGERU (JP)
SUGIYAMA SATORU (JP)
International Classes:
A61K31/34; A61K31/365; A61K31/375; A61K36/00; A61K36/534; A61K36/61; C07D307/62; (IPC1-7): A61K31/34
Foreign References:
| JPS4427224B1 | 1969-11-12 | |||
| JPS6287509A | 1987-04-22 | |||
| JPH02209807A | 1990-08-21 | |||
| JPS5724308A | 1982-02-08 | |||
| JPH0912450A | 1997-01-14 |
Other References:
See also references of EP 1106175A4
Attorney, Agent or Firm:
Nakamura, Shizuo (3rd floor 24-10, Taito 2-chome Taito-ku Tokyo, JP)
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