|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B29D-022/00 B29D-023/00 B32B-001/08 B32B-001/00|
|미국특허분류(USC)||428/036.91; 428/035.7; 428/542.8; 428/480; 428/903.3|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 23 인용 특허 : 153|
Preferred embodiments relate to methods and apparatus for making articles made of polyester, preferably virgin polyethylene terephthalate (PET), having coated directly to at least one of the surfaces thereof one or more layers of recycled or post-consumer PET and one or more layers of a material with good gas-barrier characteristics, preferably silicon oxide. Preferably, the recycled PET layer comprises about 25% to about 50% of the entire material content. Preferably the articles take the form of preforms and the containers are blow-molded therefrom and...
What is claimed is: 1. A preform comprising: a neck finish; a body portion including an end cap, the body portion comprising an inner layer and one or more outer layers, wherein the inner layer comprises virgin polyester and the one or more outer layers comprises recycled polyester and a derivative of resorcinol; and wherein the recycled polyester of the one or more outer layers comprises about 25% to about 50% by weight of the preform. 2. The preform of claim 1, wherein the one or more outer layers comprises a first layer comprising one or more deri...