Montedison S.p.a.

Montedison Fibre S.p.a.

Mario Ferraris

Francesco Rosati

Enrico Albizzati

Claudio Giordano

Sandro Parodi

Enzo Giannetti

Giuseppe Motroni

Elena Barsuglia

Solid products of spheroidal shape and having a maximum diameter of 1 to 5,000 microns are prepared starting from a mixture of at least two immiscible, mutually chemically inert liquids, one of which is in the form of a molten solid, said liquids being prsent in the mixture in a ratio such that one forms the dispersed phase while the other is the continuous phase, at least the liquid forming the dispersed phase being one which solidifies on cooling.

Process for preparing spheroidally shaped products, solid at room

Catalyst components which comprise the reaction product of a Ti compound and a Mg dihalide and which are in the form of spherical particles having an average diameter of 1 to 100 microns, a surface area of 300 to 500 m.sup.2 /g, and a porosity of 0.3 to 0.4 cc/g are disclosed, as are catalysts also in the form of spherical particles prepared therefrom and useful in the polymerization of ethylene and of alpha-olefins CH.sub.2 .dbd.CHR in which R is alkyl radical having from 1 to 6 carbon atoms, and the polymerization of the alpha-olefins therewith.

Catalyst components and catalysts for the polymerization of alpha-olefins

Compositions comprising 1,3,5-oxathiazine derivatives and which are highly effective against nematodes but exhibit low toxicity for warm-blooded animals are disclosed.

Methods of combatting nematodes using certain derivatives of

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Novara, Italy

Mario Ferraris