1
Jurgen Lorcks, Winfried Pommeranz, Harald Schmidt: Biologically degradable polymer mixture. Bio Tec Biologische Naturverpackungen & Co KG, Workman Nydegger & Seeley, August 1, 2000: US06096809 (114 worldwide citation)

A biologically degradable polymer mixture contains at least one starch biopolymer made from renewable raw materials, a plasticizer, and a polymer selected from the following materials: an aromatic polyester; a polyester-copolymer with both aliphatic and aromatic blocks; a polyesteramide; a polyglyco ...


2
Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ralf Timmermann, Ernst Grigat, Wolfgang Schulz Schlitte: Biodegradable polymeric mixtures based on thermoplastic starch. Bio tec Biologische Naturverpackungen & Co KG, Workman Nydegger & Seeley, May 22, 2001: US06235815 (80 worldwide citation)

For converting native starch or starch derivatives into thermoplastic starch, added to the starch is at least one hydrophobic biodegradable polymer. This hydrophobic biodegradable polymer, which serves as a plasticizer or swelling agent, may be a polymer selected from the following list: an aliphati ...


3
Ivan Tomka: Biologically degradable polymer mixture. Bio Tec Biologische Naturverpackungen & Co KG, Workman Nydegger & Seeley, April 10, 2001: US06214907 (71 worldwide citation)

A biologically degradable polymer mixture is proposed which consists essentially of starch and at least one hydrophobic polymer. The hydrophobic polymer is in this connection at least substantially biologically degradable and thermoplastically processable and the mixture with the starch comprising a ...


4
Ivan Tomka: Thermoplastic processable starch or starch derivative polymer mixtures. Bio Tec Biologische Naturverpackungen & Co KG, Workman Nydegger & Seeley, September 12, 2000: US06117925 (54 worldwide citation)

The present invention relates to thermoplastically processible esterification or transesterification products of starch or of starch derivatives with, for example, lactones, fatty acids, esteramides and the like, wherein the starch or the starch derivative is brought to melt using appropriate soften ...


5
Kishan Khemani, Harald Schmidt, Simon K Hodson: Biodegradable films and sheets suitable for use as coatings, wraps and packaging materials. bio tec Biologische Naturverpackungen & Co KG, Workman Nydegger, November 20, 2007: US07297394 (43 worldwide citation)

Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically have a glass transition temperature greater tha ...


6
Kishan Khemani, Harald Schmidt, Simon K Hodson: Biodegradable polymer blends for use in making films, sheets and other articles of manufacture. bio tec Biologische Naturverpackungen & Co KG, Workman Nydegger, July 10, 2007: US07241832 (31 worldwide citation)

Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically have a glass transition temperature greater tha ...


7
Simon K Hodson: Fibrous sheets coated or impregnated with biodegradable polyhydroxybutyrate polymers or polymer blends. bio tec Biologische Naturverpackungen & Co KG, Workman Nydegger, March 18, 2008: US07344784 (12 worldwide citation)

Fibrous sheets are coated or impregnated with a biodegradable composition to render the sheets more resistant to penetration by liquids. Biodegradable polymer blends suitable for use in coating or impregnating a fibrous sheet can be manufactured from at least one type of polyhydroxybutyrate, optiona ...


8
Lorcks Jurgen, Pommeranz Winfried, Schmidt Harald: Piece moulee en mousse damidon, Molded part made of starch foamed material. Biotec Biologische Naturverpackungen, Bio Tec Biologische Naturverpackungen & Co Kg, RIDOUT & MAYBEE, March 14, 1996: CA2199284 (3 worldwide citation)

The invention relates to a molded part made of completely biodegradable starch foamed material to be used for protecting transported articles and to a method for its preparation, wherein the starch foamed material is expanded to form starch foam profiled sections which are self-adhesive when moistur ...


9
Loercks Jurgen, Pommeranz Winfried, Schmidt Harald, Timmermann Ralf, Grigat Ernst, Schulz Schlitte Wolfgang: Materiau biodegradable forme essentiellement damidon thermoplastique ou a base damidon thermoplastique, Biodegradable polymeric mixtures based on thermoplastic starch. Biotec Biologische Naturverpackungen & Co Kg, Bayer, Bayer, Bio Tec Biologische Naturverpackungen & Co Kg, RIDOUT & MAYBEE, December 24, 1997: CA2258843 (3 worldwide citation)

For converting native starch or starch derivatives into thermoplastic starch, it is proposed that the starch, which is principally responsible for the conversion, be mixed with at least one hydrophobic, biodegradable polymer. This hydrophobic, biodegradable polymer which serves as a plasticising or ...


10
Tomka Ivan: Materiau biodegradable pour moule, Biodegradable mould material. Tomka Ivan, Bio Tec Biologische Naturverpackungen & Co Kg, KIRBY EADES GALE BAKER, April 20, 2004: CA2082051

A biodegradable mould material or polymer blend with a high resistance to moisture is obtained by mixing thermoplastically processable starch with a cellulose derivative, such as a cellulose ester.



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