Benzylidene malonamide and salt thereof, ultraviolet ray...

Details Benzylidene malonamide and salt thereof, ultraviolet ray... Benzylidene malonamide and salt thereof, ultraviolet ray...

2011-08-23

2011-08-23

Haghighatian, Mina (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S070900, C424S400000, C564S155000, C560S012000, C560S037000

Reexamination Certificate

active

08003083

ABSTRACT:
The present invention is benzilidene malonamide represented by the following formula (1) and salts thereof, an ultraviolet absorbent consisting of said new compound, and an external preparation containing this ultraviolet absorbent.The object of the present invention is to provide a new ultraviolet absorbent that is highly soluble in water, has superior absorption capacity over a wide ultraviolet wavelength range, has no absorption in the visible region, and is also highly stable and safe.

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International Preliminary Report on Patentability issued in corresponding International Application PCT/JP2007/000619, 2007.
Extended European Search Report issued on Dec. 23, 2010, in corresponding European Patent Application EP 07 73 7274.

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