1
Francesco della Valle, Aurelio Romeo: Cross-linked esters of hyaluronic acid. Fidia S p A, Birch Stewart Kolasch & Birch, September 18, 1990: US04957744 (142 worldwide citation)

Cross-linked esters of hyaluronic acid are provided which result from the esterification of polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide. These cross-linked esters are useful in the field of biodegradable plastics for sanitary and surgical articles and in ...


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
Charles K Lombard: Process for the production of organic products from diverse biomass sources. Waste Energy Integrated Systems, Beyer Weaver & Thomas, June 25, 2002: US06409841 (79 worldwide citation)

Disclosed are processes and systems for the production of useful organic product from diverse lignocellulose-containing biomass having increased yield and efficiency over existing processes. In particular, the present invention integrates dilute acid hydrolysis and alkaline delignification technique ...


5
Della Valle Francesco, Romeo Aurelio: Cross-linked esters of hyaluronic acid.. Fidia, April 27, 1988: EP0265116-A2 (55 worldwide citation)

Cross-linked esters of hyaluronic acid are provided which result from the esterification of polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide. These cross-linked esters are useful in the field of biodegradable plastics for sanitary and surgical articles and in ...


6
Bastioli Catia, Bellotti Vittorio, Del Giudice Luciano, Lombi Roberto: Polymer compositions for the production of articles of biodegradable platics material and methods for their preparation.. Butterfly, December 5, 1990: EP0400532-A1 (51 worldwide citation)

A polymer composition usable for the production of articles of biodegradable plastics material includes an ethylene/vinyl alcohol copolymer and destructured starch. Preferably, the composition is obtainable by mixing the ethylene/vinyl alcohol copolymer, in a heated extruder, with a starch component ...


7
Catia Bastioli, Roberto Lombi, Gianfranco Del Tredici, Italo Guanella: Method for the preparation of destructured-starch-based compositions and compositions produced thereby. Novamont S p A, Bryan Cave, October 31, 1995: US05462982 (46 worldwide citation)

In order to prepare a starch-based composition usable for the production of articles of biodegradable plastics material, a starch is mixed in a heated extruder with a high-boiling plasticizer and a destructuring agent for a time sufficient to cause the starch to be destructured, in dependence on the ...


8
Catia Bastioli, Roberto Lombi, Gianfranco Del Tredici, Italo Guanella: Biodegradable compositions and films or moulded articles obtained therefrom. Novamont S p A, Bryan Cave, October 29, 1996: US05569692 (37 worldwide citation)

In order to prepare a starch-based composition usable for the production of articles of biodegradable plastics material, a starch is mixed in a heated extruder with a high-boiling plasticizer and a destructuring agent for a time sufficient to cause the starch to be destructured, in dependence on the ...


9
Rita M Delrue, Anton L German, Henricus E H Meijer, Antonius H Zijderveld, Jan Bussink: A process for preparing a composition containing a polymer of unsaturated hydrocarbon, a C.sub.1-4 alkyl or hydroxyalkylether of starch and a vinyl or acrylic polymer as a compatibilizing agent. Cargill Incorporated, Fitch Even Tabin & Flannery, March 22, 1994: US05296526 (24 worldwide citation)

A composition comprising a polymer of an unsaturated hydrocarbon, a C.sub.1-4 alkyl or hydroxyalkylether of starch having a degree of substitution of at least 0.25, and a polyhydric aliphatic alcohol having 2 to 10 carbon atoms and 2 to 6 hydroxyl groups wherein the compatibilizing agent can be a vi ...


10
Glenn R Elion: Agricultural biodegradable plastics. International Communications & Energy, Townsend and Townsend, April 27, 1993: US05205863 (24 worldwide citation)

Biodegradable starch acetate plastics are synthesized from whole agricultural flours and acetylating agents, without the use of solvents. The process includes a low temperature, staged addition of catalyst to the reactant mixture. The resultant polymers may be blended with other polymers, and biodeg ...