Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2006-12-05
2006-12-05
Boykin, Terressa (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S411100, C442S076000, C442S086000, C528S272000
Reexamination Certificate
active
07144632
ABSTRACT:
Aliphatic-aromatic polyetherester compositions, articles made from the aliphatic-aromatic polyetherester compositions, and processes for producing the aliphatic-aromatic polyetherester compositions and articles are provided. Articles that can be made from the aliphatic-aromatic polyetherester compositions include films, coatings and laminates. Some of the compositions and articles are biocompostable. The films can further be used to form shaped articles such as sheets, food packaging such as sandwich wraps, thermoformed containers, and coatings for, for example, films and other substrates. The aliphatic-aromatic polyetheresters are based on copolyesters produced from a mixture of aromatic dicarboxylic acids, aliphatic dicarboxylic acids, poly(alkyene ether) glycols, and glycols.
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Boykin Terressa
Dalickas Gail A.
E. I. du Pont de Nemours and Company
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