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    • 3. 发明授权
    • Oxygen scavenging compositions from concentrates
    • 浓缩氧气清除组合物
    • US06656383B1
    • 2003-12-02
    • US08783752
    • 1997-01-16
    • Bruce D. ZennerCharles S. Benedict
    • Bruce D. ZennerCharles S. Benedict
    • C08K5092
    • C08K5/09B65D81/266C08K3/24C08K5/0091C08K5/098C09K15/16Y10T428/1352C08L23/02C08L27/06
    • An oxygen scavenging composition or concentrate of a carrier, such as a polymer, which is permeable to both oxygen and water or water vapor and an oxygen scavenging compound of an organic compound or salt thereof dispersed relatively uniformly throughout the polymer in an amount effective to act as an oxygen scavenger. The oxygen scavenging compound may be an ascorbate compound or a polycarboxylic or salicylic acid chelate or complex of a transition metal or a salt thereof. The oxygen scavenging composition is activated for scavenging oxygen by contact with water or water vapor which permeates into or through the carrier. A catalyzing agent is included in an amount sufficient to increase the rate of oxygen scavenging by the ascorbate compound. The oxygen scavenging compound may be added to the composition in a dry state, and is inactive until activated by contact with water or water vapor.
    • 一种氧气清除组合物或诸如聚合物的氧化物和水或水蒸汽可渗透的载体的氧清除组合物或浓缩物,以及有机化合物或其盐的氧清除化合物以有效作用的量相对均匀地分散在整个聚合物中 作为除氧剂。 除氧化合物可以是抗坏血酸盐化合物或过渡金属或其盐的多羧酸或水杨酸螯合物或络合物。 氧清除组合物通过与渗透到载体中或通过载体的水或水蒸汽接触来活化以清除氧。 以足以增加抗坏血酸化合物的氧清除速率的量包含催化剂。 氧清除化合物可以在干燥状态下加入到组合物中,并且通过与水或水蒸气接触而活化。
    • 9. 发明授权
    • System for the extraction and utilization of oxygen from fluids
    • 从流体中提取和利用氧气的系统
    • US4761209A
    • 1988-08-02
    • US855706
    • 1986-04-25
    • Joseph BonaventuraCelia BonaventuraJoseph C. Van RyzinBruce D. ZennerC. William Anderson
    • Joseph BonaventuraCelia BonaventuraJoseph C. Van RyzinBruce D. ZennerC. William Anderson
    • C01B13/02C25B1/02H01M8/06H01M8/18
    • H01M8/0656C01B13/0251C01B13/0255C01B13/0285C25B1/02H01M8/06H01M8/18C01B2210/005Y02E60/528Y10S123/13Y10S204/04Y10S261/28
    • A method for extracting oxygen from a fluid environment, which comprises the steps of (1) contacting a first fluid environment containing oxygen with a first surface of a first oxygen permeable membrane having a first and a second surface, wherein the membrane separates the environment from an interior space of a closed container, (2) transporting a carrier fluid into contact with the second surface of the membrane, wherein the carrier fluid is confined in the closed container and the carrier fluid contains a binding-state oxygen carrier, whereby oxygen which diffuses through the membrane binds to the carrier to give a bound oxygen complex, (3) transporting the carrier fluid containing the bound oxygen complex to a first electrode compartment of an electrochemical cell which forms a second portion of the closed container, (4) electrochemically modifying the binding-state oxygen carrier to an oxidation state having less binding affinity for oxygen, thereby releasing free oxygen into the carrier fluid and producing a nonbinding-state oxygen carrier, (5) removing oxygen from the carrier fluid, (6) transporting the carrier fluid containing the nonbinding-state oxygen carrier to a second electrode compartment of an electrochemical cell which forms a third portion of the closed container, and (7) electrochemically modifying the nonbinding-state oxygen carrier to the binding-state oxygen carrier, is disclosed along with an apparatus useful for carrying out the method of the invention.
    • 一种用于从流体环境中提取氧气的方法,其包括以下步骤:(1)使含有氧的第一流体环境与具有第一和第二表面的第一透氧膜的第一表面接触,其中所述膜将环境与 密封容器的内部空间,(2)将载体流体输送到膜的第二表面接触,其中载体流体被限制在密闭容器中,并且载体流体含有结合态氧载体, 通过膜的扩散与载体结合以产生结合的氧络合物,(3)将含有结合的氧络合物的载体流体输送到形成密闭容器的第二部分的电化学电池的第一电极室,(4)电化学 将结合态氧载体改性为具有对氧的结合亲和力较小的氧化态,从而将游离氧释放到其中 制造非结合态氧载体,(5)从载体流体中除去氧气,(6)将含有非结合态氧载体的载体流体输送到形成第三部分的电化学电池的第二电极室 封闭的容器,以及(7)将非结合状态的氧载体电化学修饰为结合态氧载体,以及用于实施本发明方法的装置。