CN202989012U - 一种化学法脱除异戊二烯中微量环戊二烯的装置 - Google Patents
一种化学法脱除异戊二烯中微量环戊二烯的装置 Download PDFInfo
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- CN202989012U CN202989012U CN 201220647979 CN201220647979U CN202989012U CN 202989012 U CN202989012 U CN 202989012U CN 201220647979 CN201220647979 CN 201220647979 CN 201220647979 U CN201220647979 U CN 201220647979U CN 202989012 U CN202989012 U CN 202989012U
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Cited By (1)
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CN104725182A (zh) * | 2015-02-04 | 2015-06-24 | 新疆独山子天利实业总公司 | 一种石油裂解制乙烯中副产物c5分离得到的间戊二烯粗品的提纯方法 |
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CN104725182A (zh) * | 2015-02-04 | 2015-06-24 | 新疆独山子天利实业总公司 | 一种石油裂解制乙烯中副产物c5分离得到的间戊二烯粗品的提纯方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZIBO LUHUA HONGJIN NEW MATERIAL CO., LTD. Free format text: FORMER NAME: ZIBO LUHUA HONGJIN CHEMICAL CO., LTD. |
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CP03 | Change of name, title or address |
Address after: 255411 No. 3, Feng Bei Road, Zhangdian District, Shandong, Zibo Patentee after: ZIBO LUHUA HONGJIN NEW MATERIAL Co.,Ltd. Address before: 16, building 255086, block A, macromolecule material industrial innovation park, Zibo hi tech Zone, Shandong Patentee before: Zibo Luhua Hongjin Chemical Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: 255411 No. 3, Feng Bei Road, Zhangdian District, Shandong, Zibo Patentee after: Zibo luhuahongjin New Material Group Co.,Ltd. Address before: 255411 No. 3, Feng Bei Road, Zhangdian District, Shandong, Zibo Patentee before: ZIBO LUHUA HONGJIN NEW MATERIAL Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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CX01 | Expiry of patent term |