CN203221702U - 可降解保水纸地膜 - Google Patents
可降解保水纸地膜 Download PDFInfo
- Publication number
- CN203221702U CN203221702U CN 201320211539 CN201320211539U CN203221702U CN 203221702 U CN203221702 U CN 203221702U CN 201320211539 CN201320211539 CN 201320211539 CN 201320211539 U CN201320211539 U CN 201320211539U CN 203221702 U CN203221702 U CN 203221702U
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- CN
- China
- Prior art keywords
- mulching film
- water
- degradable water
- degradable
- retaining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320211539 CN203221702U (zh) | 2013-04-24 | 2013-04-24 | 可降解保水纸地膜 |
Applications Claiming Priority (1)
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CN 201320211539 CN203221702U (zh) | 2013-04-24 | 2013-04-24 | 可降解保水纸地膜 |
Publications (1)
Publication Number | Publication Date |
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CN203221702U true CN203221702U (zh) | 2013-10-02 |
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Family Applications (1)
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CN 201320211539 Expired - Lifetime CN203221702U (zh) | 2013-04-24 | 2013-04-24 | 可降解保水纸地膜 |
Country Status (1)
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CN (1) | CN203221702U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103858717A (zh) * | 2014-03-21 | 2014-06-18 | 宋志祥 | 一种多功能生物降解地膜及其制备方法 |
CN111501399A (zh) * | 2020-05-12 | 2020-08-07 | 昆明理工大学 | 基于玉米秸秆的纸复合保水性改性纤维素晶胶地膜的制备方法 |
-
2013
- 2013-04-24 CN CN 201320211539 patent/CN203221702U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103858717A (zh) * | 2014-03-21 | 2014-06-18 | 宋志祥 | 一种多功能生物降解地膜及其制备方法 |
CN111501399A (zh) * | 2020-05-12 | 2020-08-07 | 昆明理工大学 | 基于玉米秸秆的纸复合保水性改性纤维素晶胶地膜的制备方法 |
CN111501399B (zh) * | 2020-05-12 | 2021-05-14 | 昆明理工大学 | 基于玉米秸秆的纸复合保水性改性纤维素晶胶地膜的制备方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Degradable water-retaining paper mulching film Effective date of registration: 20170427 Granted publication date: 20131002 Pledgee: Dingxi Anding Fengcheng Construction Management Co., Ltd. Pledgor: GANSU SHENGDAFANGZHOU POTATO MODIFIED STARCH Co.,Ltd. Registration number: 2017620000013 |
|
PP01 | Preservation of patent right | ||
PP01 | Preservation of patent right |
Effective date of registration: 20200623 Granted publication date: 20131002 |
|
PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20230424 Granted publication date: 20131002 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131002 |