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Catia Bastioli, Vittorio Bellotti, Luciano Del Giudice, Roberto Lombi, Angelos Rallis: Expanded articles of biodegradable plastics materials and a method for their production. Spherilene S r l, Bryan Cave, February 22, 1994: US05288765 (87 worldwide citation)

Expanded articles of biodegradable plastics are produced by the extrusion of a composition including starch, a polymer compatible with starch, in particular, an ethylene-acrylic acid copolymer and/or ethylene-vinyl alcohol copolymer, and an expanding agent. Preferably use is made of sodium bicarbona ...


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Gabriele Govoni, Giovanni Patroncini: Process for the gas-phase polymerization of alpha-olefins. Spherilene S r l, Himont Incorporated, Maurice B Stiefel, Bryan Cave, April 25, 1995: US05410002 (40 worldwide citation)

The present invention relates to a process for the production of homopolymers of ethylene and copolymers of ethylene with olefins CH.sub.2 .dbd.CHR, wherein R is an alkyl or aryl radical having a number of carbon atoms of from 1 to 10, and having a density greater than 0.86 g/cm.sup.3, comprising at ...


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Antonio Addeo, Corrado Brichta, Francesco Mascia, Arturo Marchioni: Propylene polymers grafted with polyalkenylenes and process for their preparation. Spherilene S r l, Bryan Cave, January 2, 1996: US05480942 (9 worldwide citation)

Polymers and copolymers of propylene are modified by grafting with polyalkenylenes having a trans double bond content of higher than 30%. The preparation is carried out via thermic treatment of the propylene (co)polymer with said polyalkenylene at a temperature comprised between 200.degree. and 350. ...


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Walter Navarrini, Letanzio Bragante: Process for the dehalogenation of 1,3-dioxolanes. Spherilene S r l, Bryan Cave, September 14, 1993: US05245054 (2 worldwide citation)

A process for the dehalogenation of 1,3-dioxolanes of formula: ##STR1## wherein X.sub.1 and X.sub.3, like or different from each other, are Cl or Br, X.sub.2 and X.sub.4, like or different from each other, are F or H. Said process consists in contacting the dioxolane of formula (I) with metallic zin ...


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