Novel phenol derivatives

Novel phenol stabilizers

Novel phosphonic acid compounds and method of preparation

Novel phosphorane intermediates for use in preparing penem antib

Novel phosphorane intermediates for use in preparing penem antib

Novel phosphoryloxy-thiazoles

Novel phthalazinone compounds

Novel phthalocyanine pigments

Novel pigmentary form of .beta.-copper phthalocyanine

Novel piperazine- and homopiperazine-monoalkanol esters and a pr

Novel polyelectrolytes

Novel polyene compounds and process therefor

Novel polyesteramides having low glass transition temperatures

Novel polyetherimide-polyester blends

Novel polyhalogenated cyclopropane carboxylic acid derivatives

Novel polymerization initiators

Novel polymerized, cross-linked, stromal-free hemoglobin

Novel polymorphic crystalline form of dibenzopyranone

Novel polypeptides having ACTH-like action

Novel polypeptides having thymic activity or an antagonistic act