-
公开(公告)号：US4379767A
公开(公告)日：1983-04-12
申请号：US355825
申请日：1982-03-08
IPC分类号： C07C265/00 , C07C67/00 , C07C241/00 , C07C263/02 , C07C265/04 , C07C265/06 , C07C118/00 , C07C125/03
CPC分类号： C07C263/02
摘要： A process for the production of tertiary benzyl isocyanates by reaction of the corresponding olefin with a carbamoyl halide to form the benzyl halide followed by the reaction of the benzyl halide with an excess of isocyanic acid to form the isocyanate and carbamoyl halide which can be recovered and recycled.
摘要翻译： 通过相应的烯烃与氨基甲酰卤反应形成苄基卤，然后苄基卤与过量的异氰酸反应形成异氰酸酯和可以回收的氨基甲酰卤的方法生产叔苄基异氰酸酯， 回收。
-
公开(公告)号：US4439616A
公开(公告)日：1984-03-27
申请号：US400799
申请日：1982-07-22
IPC分类号： C07C263/04 , B05D7/26 , C07C67/00 , C07C239/00 , C07C241/00 , C07C265/00 , C07C265/08 , C07C265/14 , C07C269/02 , C07C269/06 , C07C271/06 , C07C271/10 , C08G18/76 , C07C125/073 , C07C125/065
CPC分类号： C08G18/765 , C07C263/04
摘要： Production of tertiary aralkyl isocyanates, such as tetramethyl xylylene diisocyanates, by thermal cracking of corresponding urethanes formed by addition of corresponding olefins and carbamic acid esters at moderate temperatures and in the presence of acid catalyst.
摘要翻译： 通过在中等温度和酸催化剂的存在下通过加入相应的烯烃和氨基甲酸酯形成的相应的聚氨酯的热裂解，生产叔芳烷基异氰酸酯，如四甲基亚二甲苯基二异氰酸酯。
-
公开(公告)号：US4570012A
公开(公告)日：1986-02-11
申请号：US582145
申请日：1984-02-24
IPC分类号： C07C269/06 , C07C271/26 , C07C125/065 , C07C125/073
CPC分类号： C07C271/26 , C07C269/06
摘要： Production of tertiary aralkyl urethanes, such as tetramethyl xylylene diurethanes, by addition of corresponding diols and carbamic acid esters at moderate temperatures and in the presence of acid catalyst.
摘要翻译： 通过在中等温度和酸催化剂的存在下加入相应的二醇和氨基甲酸酯来生产叔芳烷基氨基甲酸酯，例如四甲基亚二甲基二氨基甲酸酯。
-
4.发明授权Substituted N-hydroxyphthalimides and their use as detergent additives 失效取代的N-羟基邻苯二甲酰亚胺及其作为洗涤剂添加剂的用途
公开(公告)号：US4863636A
公开(公告)日：1989-09-05
申请号：US156131
申请日：1988-02-12
摘要： N-hydroxyimide compounds derived from substituted phthalic anhydride are provided which exhibit strong metal ion chelating ability, making them useful as detergent additives, in boiler water systems, as reaction intermediates, etc. A detergent composition containing N-hydroxyimide and/or carboxy hydroxamic acid detergent additives is also disclosed.
摘要翻译： 提供衍生自取代的邻苯二甲酸酐的N-羟基酰亚胺化合物，其表现出强烈的金属离子螯合能力，使其可用作锅炉水系统中的洗涤剂添加剂，作为反应中间体等。含有N-羟基酰亚胺和/或羧基异羟肟酸的洗涤剂组合物 还公开了洗涤剂添加剂。
-
公开(公告)号：US5155174A
公开(公告)日：1992-10-13
申请号：US552724
申请日：1990-07-13
IPC分类号： C08F8/00
CPC分类号： C08F8/00 , C08F8/14 , C08F8/22 , C08F8/30 , C08F8/32 , C08F8/34 , C08F8/44 , D06M11/09 , D06M11/11 , D06M11/30 , D06M11/38 , D06M11/50 , D06M16/00 , D06P5/22 , D06M2101/18 , Y10S530/806 , Y10S530/812 , Y10S530/815
摘要： A surface-modified fibrillated fiber composition is disclosed herein which comprises polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition.
摘要翻译： 本文公开了表面改性的原纤化纤维组合物，其包含聚丙烯腈均聚物或共聚物和N-卤代酰胺侧基的表面。 还公开了用于生产所述组合物的方法。
-
6.发明授权Preparation of primary aralkyl urethanes and ureas and isocyanates derived therefrom 失效制备主要的芳烷基氨基甲酸酯和脲以及衍生自其的异氰酸酯
公开(公告)号：US4879410A
公开(公告)日：1989-11-07
申请号：US926070
申请日：1986-11-03
IPC分类号： C07D205/085 , B01J27/02 , B01J27/06 , B01J27/16 , B01J31/02 , B01J31/10 , C07B61/00 , C07C67/00 , C07C239/00 , C07C271/08 , C07C271/10 , C07C271/32 , C07C271/40 , C07C271/60 , C07C275/24 , C07D205/08 , C07D207/27 , C07D207/452 , C07D211/76 , C07D223/10 , C08G18/75 , C08G18/76
CPC分类号： C08G18/758 , C08G18/757 , C08G18/7628 , C08G18/7692
摘要： A process is disclosed for the preparation of aralkyl mono- and diurethanes or ureas by carbamylmethylation, or acid-catalyzed addition at a temperature of 40.degree. C. to about 100.degree. C. of formaldehyde and esters of carbamic acid to aromatic hydrocarbons. Aralkyl carbamates and ureas formed by this process can be cracked directly to produce aralkyl diisocyanates, or hydrogenated and then cracked to produce aliphatic diisocyanates, or reacted directly with polyols to produce polyurethanes by functioning as blocked isocyanates.
-
公开(公告)号：US5270384A
公开(公告)日：1993-12-14
申请号：US894988
申请日：1992-06-08
CPC分类号： C08F8/00 , C08F8/14 , C08F8/22 , C08F8/30 , C08F8/32 , C08F8/34 , C08F8/44 , C08F2800/10 , Y10S530/806 , Y10S530/815
摘要： A surface-modified fibrillated fiber composition is disclosed herein which comprises polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition.
摘要翻译： 本文公开了表面改性的原纤化纤维组合物，其包含聚丙烯腈均聚物或共聚物和N-卤代酰胺侧基的表面。 还公开了用于生产所述组合物的方法。
-
公开(公告)号：US5137983A
公开(公告)日：1992-08-11
申请号：US551597
申请日：1990-07-11
IPC分类号： C08F8/20
CPC分类号： C08F8/20
摘要： A bead composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition.
摘要翻译： 本文公开了一种珠组合物，其包含聚丙烯腈均聚物或共聚物的芯和N-卤代酰胺侧基的表面。 还公开了用于生产所述组合物的方法。
-
公开(公告)号：US5418284A
公开(公告)日：1995-05-23
申请号：US115626
申请日：1993-09-03
CPC分类号： C08F8/20 , Y10S530/806 , Y10S530/812 , Y10S530/815
摘要： A bead composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition.
-
公开(公告)号：US5284911A
公开(公告)日：1994-02-08
申请号：US977989
申请日：1992-11-18
IPC分类号： G01N33/545 , B01D15/08 , B01J20/26 , B01J20/285 , B01J20/30 , C08F8/00 , C08F8/12 , C08F8/18 , C08F8/20 , C08F20/00 , C08F20/44 , C08J7/12 , C08L33/20 , C12N11/08 , G01N30/88
CPC分类号： C08F8/20 , Y10S530/806 , Y10S530/812 , Y10S530/815
摘要： A composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of N-haloamides. Also disclosed is a process for the production of said composition.
摘要翻译： 本文公开了一种组合物，其包含聚丙烯腈均聚物或共聚物的核心和N-卤代酰胺的表面。 还公开了用于生产所述组合物的方法。
-
-
-
-
-
-
-
-
-
搜索结果
15 条记录 (耗时 0.018 秒)
