CN202199338U - 催化剂更换装置 - Google Patents
催化剂更换装置 Download PDFInfo
- Publication number
- CN202199338U CN202199338U CN2011203402821U CN201120340282U CN202199338U CN 202199338 U CN202199338 U CN 202199338U CN 2011203402821 U CN2011203402821 U CN 2011203402821U CN 201120340282 U CN201120340282 U CN 201120340282U CN 202199338 U CN202199338 U CN 202199338U
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- Prior art keywords
- catalyst
- change device
- negative pressure
- storage tank
- pressure storage
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- 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.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203402821U CN202199338U (zh) | 2011-09-13 | 2011-09-13 | 催化剂更换装置 |
Applications Claiming Priority (1)
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CN2011203402821U CN202199338U (zh) | 2011-09-13 | 2011-09-13 | 催化剂更换装置 |
Publications (1)
Publication Number | Publication Date |
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CN202199338U true CN202199338U (zh) | 2012-04-25 |
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CN2011203402821U Expired - Lifetime CN202199338U (zh) | 2011-09-13 | 2011-09-13 | 催化剂更换装置 |
Country Status (1)
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CN (1) | CN202199338U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10046289B2 (en) | 2015-01-07 | 2018-08-14 | Wanhua Chemical Group Co., Ltd. | Method for replacement of phosgene synthesis column catalyst |
-
2011
- 2011-09-13 CN CN2011203402821U patent/CN202199338U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10046289B2 (en) | 2015-01-07 | 2018-08-14 | Wanhua Chemical Group Co., Ltd. | Method for replacement of phosgene synthesis column catalyst |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: MAIQI CHEMICAL CO., LTD. Free format text: FORMER NAME: PUYANG MYJ TECHNOLOGY CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 457000 Shengli Road, Henan, Puyang Patentee after: Maiqi Chemical Co., Ltd. Address before: 457000 Shengli Road, Henan, Puyang Patentee before: Puyang Maiqi Technology Co., Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Catalyst change device Effective date of registration: 20141121 Granted publication date: 20120425 Pledgee: Bank of China, Limited by Share Ltd, Puyang branch Pledgor: Maiqi Chemical Co., Ltd. Registration number: 2014990000976 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190813 Granted publication date: 20120425 Pledgee: Bank of China, Limited by Share Ltd, Puyang branch Pledgor: Maiqi Chemical Co., Ltd. Registration number: 2014990000976 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120425 |