IT1261647B - Benzofuran derivatives which are useful as solar filters - Google Patents

Benzofuran derivatives which are useful as solar filters

Info

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
Application number
ITMI921915A
Other languages
Italian (it)
Inventor
Giuseppe Raspanti
Original Assignee
Giuseppe Raspanti
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giuseppe Raspanti filed Critical Giuseppe Raspanti
Priority to ITMI921915A priority Critical patent/IT1261647B/en
Publication of ITMI921915A0 publication Critical patent/ITMI921915A0/en
Priority to US08/072,789 priority patent/US5338539A/en
Priority to EP93112034A priority patent/EP0582189A2/en
Publication of ITMI921915A1 publication Critical patent/ITMI921915A1/en
Application granted granted Critical
Publication of IT1261647B publication Critical patent/IT1261647B/en

Links

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.
ITMI921915A 1992-08-04 1992-08-04 Benzofuran derivatives which are useful as solar filters IT1261647B (en)

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)

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