Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphoruscontaining benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.

Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered phenolic antioxidants are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.

The problem of the present invention is to provide a useful prodrug compound of a naphthofuran compound. The present invention relates to a compound represented by the formula (IA): ##STR00001##
[wherein each symbol is as described in the DESCRIPTION] or a pharmaceutically acceptable salt thereof.

Disclosed herein, inter alia, are prodrug compositions and methods of using the same for treatment and detection of disease. Specifically, disclosed herein is a compound of formula (I) having spiro-fused 1,2,4-trioxolane and piperidine rings, namely, 1,2,4-trioxa-8-azaspiro[4.5]decane. Also disclosed is a pharmaceutical composition containing the compound and a pharmaceutically acceptable carrier. ##STR00001##

A polyethylene pipe comprising components A) and B), wherein component A) is a hindered amine light stabilizer containing a triazine residue, component B) is a natural or synthetic hydrotalcite and the weight ratio of component A) to component B) is 1:10 to 10:1.

The present invention relates to a semiconducting material comprising an electron transport matrix compound comprising at least one electron transporting structural moiety and at least one polar structural moiety; a matrix compound and electronic device utilizing the semiconducting material.

The present invention provides a phosphorus-containing compound characterized by being a compound represented by the following structure:

##STR00001## the compound is a novel immune cell migration inhibitor. The compound has good hydrophilicity and can be developed into eye drops. The compound has a strong inhibitory ability to immune cell migration and can relieve the symptoms of most dry-eye patients.

Synthetic molecule construct of the structure F-S.sub.1-S.sub.2-L where FS.sub.1 is an aminoalkylglycoside and S.sub.2-L is a dicarboxylated, e.g. adipylated, phosphatidylethanolamide are disclosed. The two terminal sugars of the aminoalkylglycoside (Gal1-3Gal-) are the two terminal sugars of the Galili antigen.

An organic compound which can be used as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material of the light emitting layer, and/or the electron transporting material of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the organic compound can lower driving voltage, prolong half-lifetime, and increase current efficiency.

Compounds of Formula I, including their salts, as well as compositions and methods of using the compounds are set forth. The compounds have activity against hepatitis C virus (HCV) and are useful in treating those infected with HCV: ##STR00001##