The present invention provides compounds of the formulawhereinR is optionally substituted lower alkyl, cycloalkyl or aryl;R′ is alkyl or aryl;n is zero or an integer of 1 or 2; or an enantiomer thereof; or an enantiomeric mixture thereof.The compounds of formula (I) are bridged C2-symmetric biphenyl.....
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The present invention relates to a domestic and industrial gas burner, particularly to a burner header and a diffusion burner having the same.
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A temperature-regulating fiber may include a spun phase change polymeric material that may include a plurality of phase change polymer blocks. The fiber may have a fixity ratio of at least 80% and a recovery ratio of at least 74%.
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The present invention relates to a rubbish bin, particularly to a rubbish bin in which the weight of the base portion can be increased and adjusted to fit different purposes and environments
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The present invention relates to indolyl phosphine ligands, and methods of making such ligands utilizing phenyl hydrazines and aryl ketones as the starting material. The present invention further includes uses of the ligands in the synthesis of pharmaceuticals, materials, and agriculture.
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