Biodegradable Cap That Can Be Excellently Opened And Container With Biodegradable Cap

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080041810A1
SERIAL NO

11659834

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Abstract

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A cap having biodegrading property comprising a cap shell including a top panel and a skirt portion, and a liner member applied to the inner surface of the top panel of the cap shell, wherein the cap shell is made of a resin composition of a hard aliphatic polyester resin (A) and a soft aliphatic polyester resin (B) which are blended at a weight ratio of A:B=20:80 to 80:20, and the liner member has biodegrading property. A container with cap is provided effectively preventing the generation of resin powder at the time of the opening/closing operation even when the cap is used for a container made of a rigid biodegradable resin such as of polylactic acid, exhibiting excellent sealing and formability. Besides, the packing container as a whole features biodegrading property and is environmentally friendly.

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Patent Owner(s)

Patent OwnerAddress
TOYO SEIKAN KAISHA LTD3-1 UCHISAIWA-CHO 1-CHOME CHIYODA-KU TOKYO 100-8522
JAPAN CROWN CORK CO LTD3-1 UCHISAIWA-CHO 1-CHOME CHIYODA-KU TOKYO 100-0011

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashimoto, Katsumi Hiratsuka-shi, JP 28 154
Hayashi, Hiroaki Yokohama-shi, JP 139 1014
Ishii, Osamu Hiratsuka-shi, JP 56 729
Itoh, Takurou Yokohama-shi, JP 3 59

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