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Catia Bastioli, Vittorio Bellotti, Alessandro Montino, Gianfranco D Tredici, Roberto Lombi, Roberto Ponti: Biodegradable polymeric compositions based on starch and thermoplastic polymers. Novamont S p A, Bryan Cave, May 2, 1995: US05412005 (119 worldwide citation)

The biodegradable polymeric compositions comprise a starch based component and a polymeric component comprising polymers of hydroxyacids or mixtures thereof with polymers deriving from ethylenically unsaturated monomers, particularly polymers of ethylene-vinylalcohol or polyvinylalcohol.


2
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 ...


3
Catia Bastioli, Vittorio Bellotti, Luciano Del Guidice, Roberto Lombi: Polymer compositions for the production of articles of biodegradable plastics material and methods of their preparation. Novamont S p A, Elizabeth M Barnhard, Bryan Cave, November 2, 1993: US05258430 (87 worldwide citation)

Polymer compositions useful for the production of articles of biodegradable plastics material with improved biodegradability include destructed starch and a polymer selected from the group consisting of ethylene-vinyl alcohol, polyvinyl alcohol and mixtures thereof wherein at least a portion of the ...


4
Catia Bastioli, Vittorio Bellotti, Luciano del Giudice, Gianfranco del Tredici, Roberto Lombi, Angelos Rallis: Biodegradable articles based on starch and process for producing them. Novamont S p A, Elizabeth M Barnhard, November 16, 1993: US05262458 (78 worldwide citation)

Formed articles comprising destructurized starch, an ethylene-acrylic acid copolymer and a product of the interaction of starch and ethylene-acrylic acid copolymer wherein the starch not bound to the copolymer is in the form of particles having sizes below 1 micron. The water content of such article ...


5
Catia Bastioli, Vittorio Bellotti, Giancarlo Romano: Disposable absorbent articles. Novamont S P A, Bryan Cave, February 15, 1994: US05286770 (73 worldwide citation)

An absorbent article, such as diapers and the like, comprises a liquid pervious topsheet, a liquid impervious backsheet joined with said topsheet and an absorbent core positioned between said topsheet and said backsheet, said backsheet comprising a flexible starch based film comprising starch, a syn ...


6
Catia Bastioli, Vittorio Bellotti, Alessandro Montino: Biodegradable polymeric compositions based on starch and thermoplastic polymers. Novamont S p A, Bryan Cave, March 8, 1994: US05292782 (71 worldwide citation)

A thermoplastic polymeric composition including starch, at least one synthetic thermoplastic polymer and a plasticiser in which the plasticiser is at least one compound selected from the group consisting of:


7
Catia Bastioli, Vittorio Bellotti, Alessandro Montino, Gianfranco D Tredici, Roberto Lombi: Starchy polymeric mixture particularly for the production of films and the like and a method for its production. Novamont S p A, Bryan Cave, August 10, 1993: US05234977 (67 worldwide citation)

The material, which is usable for the production of biodegradable articles in film, sheet or fiber form, can be produced by extrusion from a molten mass including a synthetic thermoplastic polymer and a destructured starch to which a boron containing compound, such as boric acid, metaboric acid, bor ...


8
Catia Bastioli, Giancarlo Romano, Mario Scarati, Maurizio Tosin: Biodegradable starch based articles. Novamont S p A, Bryan Cave, April 30, 1996: US05512378 (50 worldwide citation)

Thin-walled biodegradable starch-based articles, particularly sheets of film including at least one first layer of polymeric material including starch and at least one second layer of hydrophobic material, are characterized in that the second layer includes a natural or synthetic wax or mixture of w ...


9
Catia Bastioli, Vittorio Bellotti, Luciano Del Giudice, Roberto Lombi, Angelos Rallis: Expanded articles of biodegradable plastic materials. Novamont S p A, November 1, 1994: US05360830 (49 worldwide citation)

Expanded articles of biodegradable plastic material having a closed pore structure and a density of from 0.01 to less than 0.1 g/cm.sup.3 are produced by extrusion of a composition including starch and a synthetic polymer selected from ethylene-vinyl alcohol, ethylene-acrylic acid, and mixture there ...


10
Catia Bastioli, Vittorio Bellotti, Gianfranco Del Tredici, Alessandro Montino, Roberto Ponti: Film-forming, starchy, polymeric composition and shaped articles, particularly films and sheets, which can be produced from the composition and have a good barrier effect, and a method of producing the articles. Novamont S p A, Bryan Cave, October 31, 1995: US05462980 (48 worldwide citation)

The film-forming polymeric compositions described include a synthetic, thermoplastic polymer and a starchy material, with a high amylopectin content; they enable the production of films, sheets and the like having good liquid- and gas-barrier effects and improved mechanical properties.



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