IT1261647B - Benzofuran derivatives which are useful as solar filters - Google Patents
Benzofuran derivatives which are useful as solar filtersInfo
- Publication number
- IT1261647B IT1261647B ITMI921915A ITMI921915A IT1261647B IT 1261647 B IT1261647 B IT 1261647B IT MI921915 A ITMI921915 A IT MI921915A IT MI921915 A ITMI921915 A IT MI921915A IT 1261647 B IT1261647 B IT 1261647B
- Authority
- IT
- Italy
- Prior art keywords
- benzofuran derivatives
- useful
- solar filters
- solar radiation
- solar
- Prior art date
Links
- 150000001907 coumarones Chemical class 0.000 title abstract 2
- 230000005855 radiation Effects 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 1
Abstract
Benzofuran derivatives of formula I <IMAGE> in which R is alkyl, cycloalkyl, aralkyl or a divalent residue in turn connected to a residue which can be formally obtained from I through the removal of R, intensely absorb solar radiation in the UVA region and therefore in combination with UVB solar filters effectively protect the skin from harmful solar radiation.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI921915A IT1261647B (en) | 1992-08-04 | 1992-08-04 | Benzofuran derivatives which are useful as solar filters |
US08/072,789 US5338539A (en) | 1992-08-04 | 1993-06-07 | Benzofuran derivatives useful as sunscreens |
EP93112034A EP0582189A2 (en) | 1992-08-04 | 1993-07-28 | Benzofuran derivatives useful as sunscreens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI921915A IT1261647B (en) | 1992-08-04 | 1992-08-04 | Benzofuran derivatives which are useful as solar filters |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI921915A0 ITMI921915A0 (en) | 1992-08-04 |
ITMI921915A1 ITMI921915A1 (en) | 1994-02-05 |
IT1261647B true IT1261647B (en) | 1996-05-28 |
Family
ID=11363827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI921915A IT1261647B (en) | 1992-08-04 | 1992-08-04 | Benzofuran derivatives which are useful as solar filters |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1261647B (en) |
-
1992
- 1992-08-04 IT ITMI921915A patent/IT1261647B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITMI921915A0 (en) | 1992-08-04 |
ITMI921915A1 (en) | 1994-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960826 |