公开(公告)号：US4554108A

公开(公告)日：1985-11-19

申请号：US517297

申请日：1983-07-26

申请人： Kenneth B. Kimble ,  Harold W. Mark ,  Clarence R. Bresson

发明人： Kenneth B. Kimble ,  Harold W. Mark ,  Clarence R. Bresson

IPC分类号： B03D1/012 ,  C07C155/08

CPC分类号： B03D1/012 ,  B03D2201/02 ,  B03D2203/02

摘要： Carboxyalkyl dithiocarbamates which can be characterized by the formula ##STR1## wherein R is selected from the group consisting of alkylene radicals, preferably alkylene radicals each having from 1 to 4 carbon atoms, wherein R' is selected from the group consisting of hydrogen and methyl and ethyl radicals, and wherein X is selected from the group consisting of alkali metal atoms, their use as ore flotation suppressants, and a process for making these novel compositions are disclosed.

摘要翻译： 可以通过下式表征的羧甲基二硫代氨基甲酸酯：其中R选自亚烷基，优选各自具有1至4个碳原子的亚烷基，其中R'选自氢和甲基， 乙基，其中X选自碱金属原子，它们作为矿石浮选抑制剂的用途，以及制备这些新型组合物的方法。

公开(公告)号：US4495200A

公开(公告)日：1985-01-22

申请号：US539441

申请日：1983-10-06

申请人： Merlin R. Lindstrom ,  Leslie J. Henshaw ,  Harold W. Mark ,  James B. Clark

发明人： Merlin R. Lindstrom ,  Leslie J. Henshaw ,  Harold W. Mark ,  James B. Clark

IPC分类号： A01N47/14 ,  C02F1/50 ,  A01N47/10

CPC分类号： C02F1/50 ,  A01N47/14 ,  Y10S507/92

摘要： A process for the control of planktonic sulfate-reducing bacteria in industrial process water systems which comprises the step of treating said system with a dithiocarbamate of the formula: ##STR1## wherein R is a C.sub.1 to C.sub.4 alkyl radical, R.sup.1 is either a methylene or ethylene radical, n is 0, 1, 2, or 3 and X is a Group IA alkali metal.

摘要翻译： 一种用于控制工业过程水体系中浮游的硫酸还原细菌的方法，其包括用下式的二硫代氨基甲酸盐处理所述体系的步骤：其中R是C1-C4烷基，R1是亚甲基或 乙烯基，n为0,1,2或3，X为IA族碱金属。

公开(公告)号：US4251673A

公开(公告)日：1981-02-17

申请号：US54532

申请日：1979-07-03

申请人： Harold W. Mark ,  William V. Childs

发明人： Harold W. Mark ,  William V. Childs

IPC分类号： C07C27/02 ,  C07C29/09 ,  C07C31/133 ,  C07C31/18 ,  C07C31/20

CPC分类号： C07C29/095

摘要： An organic ester e.g. 1,4-diacetoxybutane is hydrolyzed with an alkali metal or an alkaline earth metal hydroxide to a corresponding alcohol, the reaction being rapidly effected by having present a hydroxyl-containing compound. In a preferred embodiment, the hydroxyl-containing compound to be present is the very compound to be produced e.g. 1,4-butanediol is to be produced from 1,4-diacetoxybutane and there is present during the reaction of hydrolysis an earlier produced 1,4-butanediol.

摘要翻译： 有机酯，例如 将1,4-二乙酰氧基丁烷用碱金属或碱土金属氢氧化物水解成相应的醇，该反应通过存在含羟基的化合物迅速进行。 在一个优选的实施方案中，要存在的含羟基化合物是待生产的非常复合物。 由1,4-二乙酰氧基丁烷生产1,4-丁二醇，在水解反应期间存在较早生产的1,4-丁二醇。