Abstract: A molecular glass compound comprises a vinyl ether adduct of an aromatic vinyl ether of formula C(R1)2?C(R2)—O-(L)n-Ar1, and a calix[4]arene, wherein R1 and R2 are each independently a single bond, H, C1-20 alkyl, C1-20 haloalkyl, C6-20 aryl, C6-20 haloaryl, C7-20 aralkyl, or C7-20 haloaralkyl, L is a C1-20 linking group, n is 0 or 1, and Ar1 is a halo-containing monocyclic, or substituted or unsubstituted polycyclic or fused polycyclic C6-20 aromatic-containing moiety, wherein R1 and R2 are connected to Ar1 when either or both of R1 and R2 is a single bond and n is 0. A photoresist, comprising the molecular glass compound, a solvent, and a photoacid generator, a coated substrate, comprising (a) a substrate having one or more layers to be patterned on a surface thereof; and (b) a layer of a photoresist composition over the one or more layers to be patterned, and a method of forming the molecular glass compound, are also disclosed.

Abstract: A molecular glass compound includes (A) a tetrameric reaction product of a specific aromatic compound having at least one hydroxy group, and a specific polycyclic or fused polycyclic aromatic aldehyde; and (B) an acid-removable protecting group as an adduct with the hydroxy group of the aromatic compound and/or a hydroxy group of the polycyclic or fused polycyclic aromatic aldehyde. A photoresist composition including the molecular glass compound, and a coated substrate including a layer of the photoresist composition are also disclosed.

Abstract: A Group 4 transition metal complex containing a gallium or indium bridging group containing an electron donating group, especially an amido group, linking two groups which may be &pgr;-bonding groups or electron donating groups.

Abstract: Novel boron-substituted derivatives of cyclopentadiene and metal complexes thereof which are useful in the formulation of catalyst for the polymerization of olefins.

Abstract: A catalyst and process of polymerizing olefins using it are described, the catalyst comprising a cocatalyst and a metal complex preferably of the formulas 4-9, wherein M is a group 4 metal, Z is a boron atom, and T is one of

Abstract: A Group 4 transition metal complex containing a boron or aluminum bridging group containing a nitrogen containing electron donating group, especially an amido group.

Abstract: Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate metal diene complexes, their formation from tetravalent metal salts and an integrated process combining both process steps are claimed.

Abstract: Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate metal diene complexes, their formation from tetravalent metal salts and an integrated process combining both process steps are claimed.

Abstract: Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate metal diene complexes, their formation from tetravalent metal salts and an integrated process combining both process steps are claimed.