CN104371345B - 还原黑bbn原染料的制备方法 - Google Patents
还原黑bbn原染料的制备方法 Download PDFInfo
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CN201410702648.3A CN104371345B (zh) | 2014-11-29 | 2014-11-29 | 还原黑bbn原染料的制备方法 |
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CN201410702648.3A CN104371345B (zh) | 2014-11-29 | 2014-11-29 | 还原黑bbn原染料的制备方法 |
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CN104371345A CN104371345A (zh) | 2015-02-25 |
CN104371345B true CN104371345B (zh) | 2016-08-24 |
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CN107974099B (zh) * | 2017-12-17 | 2020-08-18 | 上海华元实业有限公司 | 还原直接黑db硝基紫蒽酮的清洁生产方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2052614A (en) * | 1935-04-27 | 1936-09-01 | Nat Aniline & Chem Co Inc | Nitration of dibenzanthrone compounds |
US2075455A (en) * | 1934-05-04 | 1937-03-30 | Gen Aniline Works Inc | Compounds of the dibenzanthrone series |
US3127421A (en) * | 1959-12-01 | 1964-03-31 | Gen Aniline & Film Corp | Mixed acid nitration of dispersions of crude dibenzanthrone |
CN101724289A (zh) * | 2008-11-03 | 2010-06-09 | 上海华元实业总公司 | 还原直接黑db的制备方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US2075455A (en) * | 1934-05-04 | 1937-03-30 | Gen Aniline Works Inc | Compounds of the dibenzanthrone series |
US2052614A (en) * | 1935-04-27 | 1936-09-01 | Nat Aniline & Chem Co Inc | Nitration of dibenzanthrone compounds |
US3127421A (en) * | 1959-12-01 | 1964-03-31 | Gen Aniline & Film Corp | Mixed acid nitration of dispersions of crude dibenzanthrone |
CN101724289A (zh) * | 2008-11-03 | 2010-06-09 | 上海华元实业总公司 | 还原直接黑db的制备方法 |
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Address after: 235283 Xiaoxian Xiaoxian Light Chemical Industrial Park, Suzhou, Anhui Patentee after: Anhui Cage chemical Polytron Technologies Inc Address before: 235283 Xiaoxian Xiaoxian Light Chemical Industrial Park, Suzhou, Anhui Patentee before: Xiao County Kaiqi Chemical Technology Co., Ltd. |
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Address after: 235283 Xiaoxian Xiaoxian Light Chemical Industrial Park, Suzhou, Anhui Patentee after: Anhui rongchuang Chemical Technology Co.,Ltd. Address before: 235283 Xiaoxian Xiaoxian Light Chemical Industrial Park, Suzhou, Anhui Patentee before: ANHUI KAIQI CHEMICAL TECHNOLOGY Co.,Ltd. |