M&t Chemicals, Inc.

Edwin L Sukman

Roger T Guthrie

Justin L Hirshman

Stanley Littman

Philip H Ravenscroft

Irving Touval

Tri(phenyl)alkyl phosphonium halides wherein the phenyl groups contain a long chain or sterically hindered alkyl group are novel and exhibit efficacious levels of fungicidal and bacteriocidal activity. The presence of the alkyl substituent eliminates or significantly reduces the phytotoxicity that characterizes the corresponding unsubstituted phosphonium compounds.

Tris(aryl)alkyl phosphonium halides and pesticidal compositions thereof

Insects and acarids are effectively controlled by applying to these organisms, their eggs or their habitat certain tertiary bis(halophenyl)-phosphines, phosphine oxides and phosphine sulfides. These compounds kill the adult, nymph and egg stages. At lower dose levels the compounds are effective chemosterilants for eggs of insects and acarids.

Insecticidal and ovicidal method

Additives can be permanently incorporated into melt spun fibers by cold drawing the fibers under conditions that generate a network of interconnecting microvoids within the fiber. The microvoids are formed in the presence of specified liquid or vapor media which fill the microvoid network. The temperature of the medium is below the effective glass transition temperature of the fibers containing said medium. The additive is either present in said medium or is applied to drawn fibers containing said medium.

Additive-containing fibers

Additives can be permanently incorporated into melt spun fibers by cold drawing the fibers under conditions that generate a network of interconnecting microvoids within the fiber. The microvoids are formed concurrently with the drawing of the fiber in a non-solvent liquid or vapor media, which media fills the microvoid network. The temperature of the medium is below the effective glass transition temperature of the fibers containing said medium. The additive is either present in said medium or is applied to drawn fibers containing said medium.

Method for permanently and uniformly incorporating an additive into an

Acarids, including spider mites, are effectively controlled by applying to the acarids, their habitat or both certain tertiary bis(halophenyl)phosphines, phosphine oxides and phosphine sulfides. These compounds kill adult and nymph acarids in addition to their eggs.

Method for controlling acarids with phosphine oxides

Flame retardant synthetic polyesters contain repeating units or side chains derived from mono- or dihalogenated dicarboxylic acids wherein the carboxylic acid groups are bonded directly to different carbon atoms of a thiophene ring structure.

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Fanwood, NJ, United States of America

Edwin L Sukman