知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

245 条记录 (耗时 0.047 秒)

    Complexes of nitric oxide with polyamines
    81.
    发明授权
    Complexes of nitric oxide with polyamines 失效
    一氧化氮与多胺的配合物

    公开(公告)号：US5250550A

    公开(公告)日：1993-10-05

    申请号：US906479

    申请日：1992-06-30

    申请人： Larry K. Keefer ,  Joseph A. Hrabie

    发明人： Larry K. Keefer ,  Joseph A. Hrabie

    IPC分类号： C01B21/24 ,  C07C211/14 ,  C07C243/06 ,  A01N43/40

    CPC分类号： C01B21/24 ,  C07C211/14 ,  C07C243/06

    摘要： There are disclosed novel complexes of nitric oxide and polyamines which are useful in treating cardiovascular disorders, including hypertension. The disclosed compounds release nitric oxide (endothelium-derived relaxing factor) under physiological conditions in a sustained and controllable fashion, and possess long mechanisms of action.

    摘要翻译： 公开了一些可用于治疗心血管疾病（包括高血压）的一氧化氮和多胺的新型复合物。 所公开的化合物在生理条件下以持续和可控的方式释放一氧化氮（内皮衍生的松弛因子），并且具有长的作用机制。

    Method and composition for determination of n-nitrosamines
    83.
    发明授权
    Method and composition for determination of n-nitrosamines 失效
    用于测定正亚硝胺的方法和组成

    公开(公告)号：US4256462A

    公开(公告)日：1981-03-17

    申请号：US108236

    申请日：1979-12-28

    申请人： Clyde W. Frank ,  Paul J. Nord ,  Robert D. Cox

    发明人： Clyde W. Frank ,  Paul J. Nord ,  Robert D. Cox

    IPC分类号： G01N31/00 ,  G01N33/02 ,  C01B21/24 ,  G01N33/00

    CPC分类号： G01N33/02 ,  G01N31/00 ,  Y10T436/170769 ,  Y10T436/173845

    摘要： N-nitrosamines are reacted with a denitrosating agent to cleave the N--NO bond and yield nitric oxide which may be analyzed to determine both qualitatively and quantitatively, the N-nitrosamine content of a test sample. The denitrosating reagent has the advantage of being useful, even in the presence of substantial amounts of water, and comprises a mixture of glacial acetic acid and a concentrated inorganic acid which is either phosphoric acid or sulfuric acid. The volume ratio of glacial acetic to concentrated acid is within the ratio of from 1:2 to 5:1. This acid component mixture is combined with from about 0.1% to about 5% by weight of soluble inorganic bromide or iodide salt.

    摘要翻译： N-亚硝胺与脱硝剂反应以切割N-NO键并产生一氧化氮，其可被分析以确定测定样品的N-亚硝胺含量的定性和定量。 脱氮试剂的优点是即使在大量水存在下也是有用的，并且包括冰醋酸和磷酸或硫酸的浓缩无机酸的混合物。 冰醋酸与浓缩酸的体积比在1:2至5:1之间。 该酸组分混合物与约0.1％至约5％重量的可溶性无机溴化物或碘化物盐组合。

    Method and apparatus for converting nitrogen dioxide to nitric oxide
    85.
    发明授权
    Method and apparatus for converting nitrogen dioxide to nitric oxide 失效
    将二氧化氮转化为一氧化氮的方法和装置

    公开(公告)号：US3979501A

    公开(公告)日：1976-09-07

    申请号：US562819

    申请日：1975-03-28

    申请人： Quade R. Stahl

    发明人： Quade R. Stahl

    IPC分类号： C01B21/26 ,  C01B21/24

    CPC分类号： C01B21/262 ,  Y10T436/177692 ,  Y10T436/178459

    摘要： A copper catalyst maintained in the temperature range of 220.degree. to 240.degree.C. is employed to convert nitrogen dioxide to nitric oxide, as in the measurement of oxides of nitrogen by chemiluminescent techniques. The converter comprises a body having a bore receiving a copper tube coaxially, the tube being spaced from the wall of the bore so that a gas containing nitrogen dioxide may flow along the exterior of the tube and then through the interior of the tube, which contains copper granules held in place by plugs of copper turnings. The temperature of the body is maintained by heater tape wound about the body, and the body is enclosed within an insulated container.

    摘要翻译： 如在通过化学发光技术测量氮氧化物时，使用保持在220-240℃温度范围内的铜催化剂将二氧化氮转化为一氧化氮。 转换器包括一个主体，该主体具有同轴的铜管的孔，该管与孔的壁间隔开，使得含有二氧化氮的气体可以沿着管的外部流动，然后通过管的内部，该内部包含 铜颗粒通过铜屑插头保持在适当位置。 身体的温度由围绕身体缠绕的加热带保持，身体被封闭在绝热容器内。

    Method of treating nitrogen oxide generating substances by combustion
    86.
    发明授权
    Method of treating nitrogen oxide generating substances by combustion 失效
    通过燃烧处理生成氮氧化物的方法

    公开(公告)号：US3838193A

    公开(公告)日：1974-09-24

    申请号：US23415572

    申请日：1972-03-13

    申请人： KAWASAKI HEAVY IND LTD

    发明人： KAJITANI Y ,  ITO H ,  MITSUDA S

    IPC分类号： B01D53/56 ,  C01B21/02 ,  C01B21/00 ,  C01B21/24

    CPC分类号： C01B21/02 ,  B01D53/56

    摘要： A METHOD OF TREATING NITROGEN OXIDE GENERATING SUBSTANCES BY COMBUSTION IN A REDUCING FLAME ATOMPHERE WHICH HAS THE STEPS OF INTRODUCING THE SUBSTANCE WHICH GENERATES NITROGEN OXIDE BY COMBUSTION, SUCH AS AMMONIA, HYDROGEN CYANIDE OR OTHER NITROGEN CONTAINING GASES OR A MIXTURE OF THESE GASES, INTO A HIGH TEMPERATURE REDUCING FLAME PRODUCED BY THE COMBUSTION OF FUEL GAS CONTAINING HYDROGEN, CARBON MONOXIDE A GASEOUS HYDROCARBON AN MIXTURE THEREOF, WITH A PRIMARY AIR SUPPLIED IN AN AMOUNT BELOW THE AMOUNT OF AIR THEORETICALLY REQUIRED FOR COMBUSTION OF THE FUEL GAS WHEREBY THE GENERATED NITRIGEN OXIDES ARE REDUCED TO NITROGEN IN THE HIGH TEMPERATURE REDUCING FLAME AND IF REQUIRED SUPPLYING A THIRD AIR TO THE RELATIVELY HIGH TEMPERATURE PORTION OUT OF THE FLAME THEREBY BURNING ANY UNBURNED COMPONENTS.

    D R A W I N G

    Selective removal of nitrogen dioxide from gases
    87.
    发明授权
    Selective removal of nitrogen dioxide from gases 失效
    从气体中选择性去除二氧化氮

    公开(公告)号：US3705231A

    公开(公告)日：1972-12-05

    申请号：US3705231D

    申请日：1970-07-21

    申请人： BASF AG

    发明人： BIBERACHER GERHARD

    IPC分类号： B01D53/86 ,  C01B21/24 ,  C01B21/20

    CPC分类号： C01B21/24 ,  B01D53/8628 ,  Y02A50/2345

    摘要： NITROGEN DIOXIDE IS SELECTIVELY REMOVED FROM GASES WHICH CONTAIN NOT ONLY NITROGEN DIOXIDE IN STRONGLY DILUTED FORM BUT ALSO OXYGEN BY REACTION WITH CARBON MONOXIDE AT ELEVATED TEMPERATURES IN THE PRESENCE OF SUPPORTED CATALYSTS OF PLATINUM AND/OR PALLADIUM. THE REACTION TAKES PLACE AT TEMPERATURES OF FROM 130* TO 425* C. AND THE CARRIER USED IS A-ALUMINUM OXIDE OR SILICON DIOXIDE. THE RATIO OF THESE OXIDES TO ONE ANOTHER IS CHOSEN IN ACCORDANCE WITH THE PREDETERMINED TEMPERATURE.