BIODEGRADABLE COMPLEX OXYGEN BARRIER FILM AND APPLICATION THEREOF
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Jun 19, 2009
filing date -
Jun 19, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a biodegradable complex oxygen barrier film and its preparation method and application. The biodegradable complex oxygen barrier film disclosed by the present invention is constituted of at least two support layers and a barrier layer which is deposed between each two support layers. The support layer is selected from at least one of the following substances: polylactic acid, poly(butylene succinate), polycaprolactone, poly(adipate-butylene telephthalate), poly(β-hydroxybutyrate) and poly(β-hydroxybutyrate-valerate); the barrier layer which is deposed between the each two support layers is same or different, the barrier layer is selected from any one of the following: poly(propylene carbonate) and nano montmorillonite modified poly(propylene carbonate). The biodegradable complex oxygen barrier film of the present invention may be used as packing articles of food or medicine, helpful to prolong the guarantee period and shelf life of the foods and medicines; at the same time, white pollution could be prevented.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES | CHANGCHUN JILIN 130022 | |
CHINA NATIONAL OFFSHORE OIL CORP | 102200 CHINA NATIONAL OFFSHORE OIL CORPORATION FUTURE TECHNOLOGY CITY BUILDING LUTUAN EAST ROAD CHANGPING DISTRICT BEIJING BEIJING CITY BEIJING CITY 102200 | |
CHINA BLUECHEMICAL LTD | 572600 NO 3 YUANYUAN THIRD ROAD BASUO TOWN DONGFANG CITY HAINAN PROVINCE DONGFANG CITY HAINAN PROVINCE 572600 | |
CNOOC GREEN MATERIALS CO LTD | NO 9 ZHU JIANG NAN STREET DONGFANG CITY HAINAN 572600 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Buning | Dongfang City, CN | 1 | 1 |
Chen, Keyu | Dongfang City, CN | 8 | 18 |
Fu, Songbao | Dongfang City, CN | 1 | 1 |
Gao, Fengxiang | Changchun City, CN | 5 | 3 |
Wang, Fosong | Changchun City, CN | 9 | 15 |
Wang, Guozhong | Dongfang City, CN | 14 | 40 |
Wang, Liangliang | Dongfang City, CN | 25 | 347 |
Wang, Xianhong | Changchun City, CN | 12 | 26 |
Xu, Jianbo | Dongfang City, CN | 21 | 91 |
Zhao, Xiaojiang | Changchun City, CN | 5 | 13 |
Zhou, Qinghai | Changchun City, CN | 3 | 4 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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