Materials for storing and releasing reactive gases
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C01B-011/02
C01B-011/00
B01J-020/26
B01J-020/22
출원번호
US-0089678
(2005-03-25)
등록번호
US-7383946
(2008-06-10)
발명자
/ 주소
Hughes,Kenneth D.
출원인 / 주소
Hughes,Kenneth D.
대리인 / 주소
Sutherland Asbill & Brennan LLP
인용정보
피인용 횟수 :
4인용 특허 :
143
초록▼
Compositions, methods, and devices are provided for use in containing and releasing a gas, particularly a reactive gas. The composition can include a reactive gas, reactive gas precursor, or combination thereof; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dis
Compositions, methods, and devices are provided for use in containing and releasing a gas, particularly a reactive gas. The composition can include a reactive gas, reactive gas precursor, or combination thereof; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved; and a solid material (e.g., particles or fibers) in which fluid is absorbed or adsorbed, wherein the solid material controls the formation or release of the reactive gas. The materials and methods allow rapid and safe generation, transfer, and application of high concentrations of chlorine dioxide gas in solid, liquid, and gas phase systems and are suitable for a variety of chlorine dioxide applications, such as disinfecting and sanitizing liquids, solid surfaces, and porous materials.
대표청구항▼
I claim: 1. A composition for use in containing and releasing a reactive gas comprising: a reactive gas, reactive gas precursor, or combination thereof, wherein the reactive gas precursor comprises an oxidizing agent selected from the group consisting of hypochlorite, hypochlorous acid, ozone, pero
I claim: 1. A composition for use in containing and releasing a reactive gas comprising: a reactive gas, reactive gas precursor, or combination thereof, wherein the reactive gas precursor comprises an oxidizing agent selected from the group consisting of hypochlorite, hypochlorous acid, ozone, peroxide, and monopersulfate; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved; and a solid material in which the fluid is absorbed or adsorbed, wherein the solid material controls the formation or release of the reactive gas. 2. A composition for use in containing and releasing a reactive gas comprising: a reactive gas, reactive gas precursor, or combination thereof; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved, wherein the fluid comprises a non-polar liquid; and a solid material in which fluid is absorbed or adsorbed, wherein the solid material controls the formation or release of the reactive gas. 3. A composition for use in containing and releasing a reactive gas comprising: a reactive gas, reactive gas precursor, or combination thereof; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved; a first solid material in which the fluid is absorbed or adsorbed; and a second solid material in which an acid is absorbed, wherein the first or second solid material comprises an acid polymer selected from the group consisting of polylactic acids, polyglycolic acids, polyacrylic acids, polyacrylamides, polyesters, polyhydroxls, polyalcohols, polyanhydrides, and gums, wherein the combination of the first and second solid materials controls the formation and release of the reactive gas. 4. A composition for use in containing and releasing a reactive gas comprising: a reactive gas, reactive gas precursor, or combination thereof; a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved; and a solid material, which comprises a polycarbonate, in which the fluid is absorbed or adsorbed, wherein the solid material controls the formation or release of the reactive gas. 5. A composition for use in containing and releasing chlorine dioxide gas comprising: a liquid solution of a chlorate salt, a chlorite salt, chlorine dioxide, or a combination thereof; first polymeric particles or fibers in which the liquid solution is absorbed or adsorbed; and second polymeric particles or fibers, which comprise a polyacid, combined with the first polymeric particles or fibers, wherein the combination of the first and second polymeric particles or fibers controls the formation and release of chlorine dioxide. 6. A composition for use in containing and releasing chlorine dioxide gas comprising: a liquid solution of a chlorate salt, a chlorite salt, chlorine dioxide, or a combination thereof; and polymeric particles or fibers, which comprise an acid polymer, wherein the liquid solution is absorbed in the polymeric particles or fibers and the polymeric particles or fibers control the release of chlorine dioxide. 7. An apparatus for use in containing and releasing a reactive gas comprising: a composition which comprises (i) a reactive gas, reactive gas precursor, or combination thereof, (ii) a fluid in which the reactive gas, reactive gas precursor, or combination thereof is dissolved, and (iii) a solid material in which fluid is absorbed or adsorbed, wherein the solid material controls the formation or release of the reactive gas; a container having an enclosed cavity in which the composition is disposed; and at least a pair of electrodes connected to a power source, the electrodes being positioned to pass an electric current or voltage through the composition. 8. A method of making a composition for the containment and release of a reactive gas comprising: dissolving a first reactive gas precursor in a fluid to form a solution; absorbing or adsorbing the solution in an absorbent solid material; and exposing the solid material to a gaseous second reactive gas precursor to generate a reactive gas in the solid material, which is substantially non-reactive with the reactive gas, the fluid, or the reactive gas precursors. 9. The method of claim 8, wherein the gaseous second reactive gas precursor is an acidic, oxidizing, or reducing gas. 10. The method of claim 8, wherein the solid material is in the form of particles or fibers. 11. The method of claim 8, wherein the reactive gas is selected from the group consisting of chlorine dioxide, chlorine, bromine, iodine, carbon dioxide, oxygen, nitrogen, sulfur dioxide, hydrogen sulfide, hydrogen cyanide, chlorine monoxide, nitrogen monoxide, and nitrogen dioxide. 12. The composition of claim 5, wherein the second polymeric particles further comprise an absorbed or adsorbed liquid acid.
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