An object of the present invention is to provide a bisphosphite compound giving higher selectivity for the target product with maintaining a high reaction rate. The present invention relates to a dihydroxybiphenyl compound represented by the following formula (1) and a bisphosphite compound represented by the following formula (2): ##STR00001##
wherein in formulae (1) and (2), each of R.sup.1 to R.sup.4, R.sup.11 to R.sup.14, and Z.sup.1 to Z.sup.4 is the same as defined in the description.

An object of the present invention is to provide a bisphosphite compound giving higher selectivity for the target product with maintaining a high reaction rate. The present invention relates to a dihydroxybiphenyl compound represented by the following formula (1) and a bisphosphite compound represented by the following formula (2): ##STR00001##
wherein in formulae (1) and (2), each of R.sup.1 to R.sup.4, R.sup.11 to R.sup.14, and Z.sup.1 to Z.sup.4 is the same as defined in the description.

A compound having a structure represented by the following Formula (I), where Q.sup.1 and Q.sup.2 individually represent a functional group containing a CC unsaturated bond and J.sup.1 and J.sup.2 individually represent a flame retardant group containing a phosphorus atom, useful in a resin composition for fabricating articles such as a prepreg, a resin film, a laminate or a printed circuit board, such that the articles have improved one or more properties including glass transition temperature, ratio of thermal expansion, peel strength, thermal resistance, dielectric constant, dissipation factor and flame retardancy. ##STR00001##

A compound having a structure represented by the following Formula (I), where Q.sup.1 and Q.sup.2 individually represent a functional group containing a CC unsaturated bond and J.sup.1 and J.sup.2 individually represent a flame retardant group containing a phosphorus atom, useful in a resin composition for fabricating articles such as a prepreg, a resin film, a laminate or a printed circuit board, such that the articles have improved one or more properties including glass transition temperature, ratio of thermal expansion, peel strength, thermal resistance, dielectric constant, dissipation factor and flame retardancy. ##STR00001##

A process of forming a resveratrol-based flame retardant small molecule with a phosphonate/phosphinate molecule that includes a chloride group and a terminal functional group.

A process of forming a resveratrol-based flame retardant small molecule with a phosphonate/phosphinate molecule that includes a chloride group and a terminal functional group.

Described herein is a degradable linking agent of formula Photo.sup.1-LG-Photo.sup.2, wherein Photo.sup.1 and Photo.sup.2 independently represent at least one photoreactive group and LG represents a linking group comprising one or more silicon atoms or one or more phosphorous atoms. The degradable linking agent includes a covalent linkage between at least one photoreactive group and the linking group, wherein the covalent linkage between at least one photoreactive group and the linking group is interrupted by at least one heteroatom. A method for coating a support surface with the degradable linking agent, coated support surfaces and medical devices are also described.

Described herein is a degradable linking agent of formula Photo.sup.1-LG-Photo.sup.2, wherein Photo.sup.1 and Photo.sup.2 independently represent at least one photoreactive group and LG represents a linking group comprising one or more silicon atoms or one or more phosphorous atoms. The degradable linking agent includes a covalent linkage between at least one photoreactive group and the linking group, wherein the covalent linkage between at least one photoreactive group and the linking group is interrupted by at least one heteroatom. A method for coating a support surface with the degradable linking agent, coated support surfaces and medical devices are also described.

Provided is a process for the conversion of a tertiary phosphine oxide to the corresponding tertiary phosphine, comprising at least reacting said tertiary phosphine oxide with a phosphite compound, in the presence of at least a catalyst. Furthermore, provided is a composition comprising at least a tertiary phosphine oxide and a phosphite compound, and optionally a catalyst.

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.