序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
1 | 一种用于制备重氮烷的方法 | CN201380014473.0 | 2013-01-23 | CN104203907A | 2014-12-10 | 李·普罗克特 |
本发明涉及形成重氮烷的方法。本发明的一个方面提供了用于由起始材料制备N-烷基-N-亚硝基化合物的方法,所述方法包括使用三元酸对胺进行酸化。本发明的第二方面提供了用于制备重氮烷的方法,所述方法包括使N-烷基-N-亚硝基化合物与碱和相转移催化剂反应,其中没有使用有机溶剂。 | ||||||
2 | 阻止乙烯基化合物聚合的方法 | CN96197388.9 | 1996-09-20 | CN1198730A | 1998-11-11 | 冈本贤治; 中川贵史; 富田幸次 |
乙烯基化合物的阻聚方法包括使用(A)一种或两种N-亚硝基苯胲及其盐与(B)一种铜盐共用或与(B′)一种二烷基二硫代氨基甲酸的金属盐共用和(C)至少一种选自无机酸、无机酸盐和水之一。根据以上方法,通过在液相部分和气相冷凝形成部分有效地抑制乙烯基化合物的聚合反应或通过在该方法中有效地抑制乙烯基化合物的聚合反应,同时阻止生产设备的腐蚀,从而实现长时间的生产乙烯基化合物,尤其是丙烯酸或甲基丙烯酸的工艺连续稳定的运行,如乙烯基化合物的蒸硫工艺。 | ||||||
3 | 一种用于制备重氮烷的方法 | CN201380014473.0 | 2013-01-23 | CN104203907B | 2017-08-29 | 李·普罗克特 |
本发明涉及形成重氮烷的方法。本发明的一个方面提供了用于由起始材料制备N‑烷基‑N‑亚硝基化合物的方法,所述方法包括使用三元酸对胺进行酸化。本发明的第二方面提供了用于制备重氮烷的方法,所述方法包括使N‑烷基‑N‑亚硝基化合物与碱和相转移催化剂反应,其中没有使用有机溶剂。 | ||||||
4 | 使用吸附物质对N-亚硝基羟胺的稳定化作用 | CN00809275.3 | 2000-06-12 | CN1241905C | 2006-02-15 | 达里尔·V·哈利斯; 小鲍尔·J·罗曼; 吴志宏; 厄尔·G·亚当斯; 埃里克·L·威廉姆斯 |
本发明公开了一种表现出很少分解或不分解的N-亚硝基羟胺化合物。N-亚硝基羟胺化合物可以在能够从环境中除去水分的化合物的存在下被稳定。 | ||||||
5 | 使用吸附物质对N-亚硝基羟胺的稳定化作用 | CN00809275.3 | 2000-06-12 | CN1356978A | 2002-07-03 | 达里尔·V·哈利斯; 小鲍尔·J·罗曼; 吴志宏; 厄尔·G·亚当斯; 埃里克·L·威廉姆斯 |
本发明公开了一种表现出很少分解或不分解的N-亚硝基羟胺化合物。N-亚硝基羟胺化合物可以在能够从环境中除去水分的化合物的存在下被稳定。 | ||||||
6 | 阻止乙烯基化合物聚合的方法 | CN96197388.9 | 1996-09-20 | CN1083410C | 2002-04-24 | 冈本贤治; 中川贵史; 富田幸次 |
乙烯基化合物的阻聚方法包括使用(A)一种或两种N-亚硝基苯胲及其盐与(B)一种铜盐共用或与(B′)一种二烷基二硫代氨基甲酸的金属盐共用和(C)至少一种选自无机酸、无机酸盐和水之一。根据以上方法,通过在液相部分和气相冷凝形成部分有效地抑制乙烯基化合物的聚合反应或通过在该方法中有效地抑制乙烯基化合物的聚合反应,同时阻止生产设备的腐蚀,从而实现长时间的生产乙烯基化合物,尤其是丙烯酸或甲基丙烯酸的工艺连续稳定的运行,如乙烯基化合物的蒸硫工艺。 | ||||||
7 | Acrylamide monomer polymerization inhibitor | US79620159 | 1959-03-02 | US2999881A | 1961-09-12 | GLECKLER GEORGE C; SUTHERLAND GEORGE L |
8 | Separation of plutonium from lanthanum by chelation-extraction | US74616047 | 1947-05-05 | US2863892A | 1958-12-09 | JAMES RALPH A; THOMPSON STANLEY G |
9 | METHOD FOR THE PREPARATION OF DIAZOALKANES | US14373828 | 2013-01-23 | US20150038687A1 | 2015-02-05 | Lee Proctor |
The present invention relates to a method of forming diazoalkanes. One aspect of the present invention provides a method for the production of a N-alkyl-N-nitroso compound from a starting material, comprising the use of a tribasic acid to acidify an amine. A second aspect of the present invention provides a method for the production of a diazoalkane, comprising reacting a N-alkyl-N-nitroso compound with a base and a phase transfer catalyst, wherein no organic solvent is used. | ||||||
10 | Stabilized N-nitrosohydroxylamines | US338786 | 1999-06-23 | US6018078A | 2000-01-25 | Darrell V. Harris; Paul J. Roman, Jr.; Zhihong Wu; Earl G. Adams; Eric L. Williams |
N-nitrosohydroxylamine compounds exhibiting minimal or no degradation are disclosed. The N-nitrosohydroxylamines can be stabilized in the presence of a compound capable of removing water from the environment. | ||||||
11 | Process for inhibiting polymerization of a vinyl compound | US849072 | 1997-05-30 | US5856568A | 1999-01-05 | Kenji Okamoto; Takashi Nakagawa; Kouji Tomita |
A process for inhibiting polymerization of a vinyl compound comprising using (A) one or both of N-nitrosophenylhydroxylamine and a salt thereof in combination with (B) a salt of copper or in combination with (B') a metal salt of a dialkyldithiocarbamic acid and (C) at least one selected from the group consisting of inorganic acids, salts of inorganic acids, and water.In accordance with the above process, stable continuous operation of a process for producing a vinyl compound, particularly acrylic acid or methacrylic acid, such as a distillation process of the vinyl compound, for a long time is enabled by effectively suppressing polymerization of the vinyl compound in the process or by effectively suppressing polymerization of the vinyl compound in the process while corrosion of the apparatus for the production is prevented. | ||||||
12 | Salts of N-nitrosophenylhydroxylamine | US731562 | 1991-07-17 | US5262569A | 1993-11-16 | Rita K. Upmacis; William Bauer, Jr.; Samuel F. Reed, Jr. |
Disclosed are salts of N-nitrosophenylhydroxylamine and their use as polymerization inhbitors. | ||||||
13 | Method for the preparation of diazoalkanes | US14373828 | 2013-01-23 | US09593073B2 | 2017-03-14 | Lee Proctor |
The present invention relates to a method of forming diazoalkanes. One aspect of the present invention provides a method for the production of a N-alkyl-N-nitroso compound from a starting material, comprising the use of a tribasic acid to acidify an amine. A second aspect of the present invention provides a method for the production of a diazoalkane, comprising reacting a N-alkyl-N-nitroso compound with a base and a phase transfer catalyst, wherein no organic solvent is used. | ||||||
14 | Novel nitrosation polymer in organic synthesis | US10529640 | 2003-09-06 | US20060052588A1 | 2006-03-09 | Didier Roche; Claude Lardy |
The present invention relates to a novel nitrosation polymer of the formula in which X, Y, R1, R2 and R3 are as defined in claim 1. The invention also relates to a process for the preparation of the said polymer. | ||||||
15 | Salts of N-nitrosophenylhydroxylamine | US111256 | 1993-08-24 | US5292920A | 1994-03-08 | Rita K. Upmacis; William Bauer, Jr.; Samuel F. Reed, Jr. |
Disclosed are salts of N-nitrosophenylhydroxylamine and their use as polymerization inhibitors. | ||||||
16 | Novel nitrosation polymer in organic synthesis | JP2004540593 | 2003-09-06 | JP2006501335A | 2006-01-12 | クロード ラルディ、; ディディエ ロシュ、 |
本発明は、式(A)[式中、X、Y、R
1 、R
2およびR
3は請求項1に定義されたとおりである]の新規なニトロソ化ポリマーに関する。 本発明はまた、前記ポリマーを調製する方法に関する。
【化1】 |
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17 | Salts of N-nitrosophenylhydroxylamine | EP92306453.9 | 1992-07-14 | EP0523965B1 | 1996-03-06 | Upmacis, Rita Karina; Bauer, William JR; Reed, Samuel Franklin JR |
18 | A METHOD FOR THE PREPARATION OF DIAZOALKANES | EP13701869.3 | 2013-01-23 | EP2807145B1 | 2017-03-22 | PROCTOR, Lee |
19 | STABILIZATION OF N-NITROSOHYDROXYLAMINES BY USE OF ABSORPTIVE MATERIAL | EP00941344.4 | 2000-06-12 | EP1185504B1 | 2005-05-18 | HARRIS, Darrell, V.; ROMAN, Paul, J., Jr.; WU, Zhihong; ADAMS, Earl, G.; WILLIAMS, Eric, L. |
N-Nitrosohydroxylamine compounds exhibiting minimal or no degradation are disclosed. The N-nitrosohydroxylamines can be stabilized in the presence of a compound capable of removing water from the environment. | ||||||
20 | Salts of N-nitrosophenylhydroxylamine | EP92306453.9 | 1992-07-14 | EP0523965A1 | 1993-01-20 | Upmacis, Rita Karina; Bauer, William JR; Reed, Samuel Franklin JR |
Disclosed are salts of N-nitrosophenylhydroxylamine and their use as polymerization inhibitors. |