Title:
THE NOVEL PROPANEDIONE DERIVATIVES AND THEIR USE AS POLYMERIZABLE UV-ABSORBENT
Document Type and Number:
WIPO Patent Application WO/2002/000586
Kind Code:
A1
Abstract:
The present invention relates to propanedione derivatives represented by general formular (A), and their use as UV-absorbent. Wherein R?1¿ is substituted aromatic ring, optionally substituted heteroaromatic ring, or optionally substituted fused heterocycle.
Inventors:
LI FUMIAN (CN)
Application Number:
PCT/CN2001/001029
Publication Date:
January 03, 2002
Filing Date:
June 19, 2001
Export Citation:
Assignee:
SANTEN PHARMACEUTICAL CO LTD (JP)
LI FUMIAN (CN)
LI FUMIAN (CN)
International Classes:
C07D279/22; C07C49/796; C07C49/835; C07C225/22; C07D213/16; C07D213/50; C07D241/46; C08F12/22; C08F12/32; C08J5/00; C09K3/00; (IPC1-7): C07C49/794; C07D213/16; C07D241/46; C08F212/32
Foreign References:
| EP0423373A1 | 1991-04-24 | |||
| JPH03263418A | 1991-11-22 |
Other References:
Y. UEBA ET AL.: "Investigations on the synthesis and characterization of rare earth metal-containing polymers", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 25, no. 9, September 1980 (1980-09-01), pages 2007 - 2017
MANSRI A. ET AL.: "New styrene polymers with keto-enol side chains", EUR. POLYM. J., vol. 32, no. 3, 1996, pages 269 - 275
MANSRI A. ET AL.: "New styrene polymers with keto-enol side chains", EUR. POLYM. J., vol. 32, no. 3, 1996, pages 269 - 275
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (10/F Ocean Plaza 158 Fuxingmennei Street
Beijing 1, CN)
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