CN100554146C - 一种生产保险粉并利用其残液联产木质素磺酸钠的方法 - Google Patents
一种生产保险粉并利用其残液联产木质素磺酸钠的方法 Download PDFInfo
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- CN100554146C CN100554146C CNB2007101646285A CN200710164628A CN100554146C CN 100554146 C CN100554146 C CN 100554146C CN B2007101646285 A CNB2007101646285 A CN B2007101646285A CN 200710164628 A CN200710164628 A CN 200710164628A CN 100554146 C CN100554146 C CN 100554146C
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CNB2007101646285A CN100554146C (zh) | 2007-12-26 | 2007-12-26 | 一种生产保险粉并利用其残液联产木质素磺酸钠的方法 |
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CNB2007101646285A CN100554146C (zh) | 2007-12-26 | 2007-12-26 | 一种生产保险粉并利用其残液联产木质素磺酸钠的方法 |
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CN101214930A CN101214930A (zh) | 2008-07-09 |
CN100554146C true CN100554146C (zh) | 2009-10-28 |
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CN103641077B (zh) * | 2013-12-16 | 2015-12-09 | 浙江嘉成化工有限公司 | 一种保险粉废水的循环利用方法 |
CN104261434A (zh) * | 2014-10-16 | 2015-01-07 | 烟台市金河保险粉厂有限公司 | 一种利用保险粉生产过程中粗甲醇精馏残液生产无水亚硫酸钠的方法 |
CN113493400B (zh) * | 2020-04-03 | 2023-07-07 | 杭州逸翔化工科技有限公司 | 一种生产双酚s并联产木质素磺酸钠的方法 |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Jiacheng Chemical Co., Ltd. Assignor: Zhejiang Runtu Co., Ltd. Contract fulfillment period: 2009.12.10 to 2014.12.9 contract change Contract record no.: 2010330000118 Denomination of invention: Method for producing sodium hydrosulfite and coproducing lignin sodium sulphonate from residual liquid thereof Granted publication date: 20091028 License type: Exclusive license Record date: 2010.1.22 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.10 TO 2014.12.9; CHANGE OF CONTRACT Name of requester: ZHEJIANG JIACHENG CHEMICAL CO., LTD. Effective date: 20100122 |