JPH01267131A - Disinfecting method - Google Patents
Disinfecting methodInfo
- Publication number
- JPH01267131A JPH01267131A JP9087088A JP9087088A JPH01267131A JP H01267131 A JPH01267131 A JP H01267131A JP 9087088 A JP9087088 A JP 9087088A JP 9087088 A JP9087088 A JP 9087088A JP H01267131 A JPH01267131 A JP H01267131A
- Authority
- JP
- Japan
- Prior art keywords
- aseptic
- air
- hydrogen peroxide
- temperature
- disinfectant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 16
- 230000000249 desinfective effect Effects 0.000 title 1
- 239000000645 desinfectant Substances 0.000 claims abstract description 27
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 17
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 230000008020 evaporation Effects 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims description 25
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 239000002778 food additive Substances 0.000 abstract description 3
- 235000013373 food additive Nutrition 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 8
- 238000012371 Aseptic Filling Methods 0.000 description 5
- 238000009455 aseptic packaging Methods 0.000 description 5
- 230000001580 bacterial effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 241000193830 Bacillus <bacterium> Species 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 244000063299 Bacillus subtilis Species 0.000 description 2
- 235000014469 Bacillus subtilis Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000003206 sterilizing agent Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、無菌充填包装機において、包装容器、充填機
本体及び配管等を殺菌剤を用いて殺菌を行なう殺菌方法
に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a sterilization method for sterilizing packaging containers, the filling machine main body, piping, etc. in an aseptic filling and packaging machine using a sterilizing agent.
〈従来の技術〉
従来、無菌充填包装機において、包装容器、本体内部、
及び配管等の殺菌を行なう場合、殺菌剤をノズルを用い
ての噴霧等により、殺菌対象物に塗布した後、加熱無菌
エアの噴射、赤外線の照射等により加熱し、乾燥又は分
解することにより除去する方法が行われている。<Conventional technology> Conventionally, in aseptic filling and packaging machines, packaging containers, the inside of the main body,
When sterilizing pipes, etc., the disinfectant is applied to the object to be sterilized by spraying with a nozzle, etc., and then removed by heating with a jet of heated sterile air, irradiation with infrared rays, etc., and drying or decomposing it. The method is being used.
しかしながら、この方法では、微生物に対し、殺菌剤が
殺菌効果を発揮する前に、殺菌剤が蒸発又は分解してし
まい、殺菌効果が得られない場合があった。また、この
ようなことを防止するために、多量の殺菌剤を塗布すれ
は、除去を行う際に大量のエネルギーが必要となり不経
済であるばかりでなく、殺菌剤の除去が不完全となり、
殺菌対象物に残留する危険性があった。However, in this method, the sterilizing agent evaporates or decomposes before it exerts its sterilizing effect on microorganisms, and the sterilizing effect may not be obtained. In addition, in order to prevent this, applying a large amount of disinfectant is not only uneconomical as it requires a large amount of energy to remove it, but also the removal of the disinfectant is incomplete.
There was a risk that it would remain on objects to be sterilized.
く解決しようとする課題〉
本発明の目的は、少量の殺菌剤を用い、効果的にしかも
殺菌剤の残留の問題のない殺菌方法を提供することであ
る。Problems to be Solved> An object of the present invention is to provide a sterilization method that uses a small amount of sterilizer, is effective, and does not cause the problem of sterilizer residue.
〈課題を解決するための手段〉
本発明は、以゛上の課題を解決するために、殺菌剤の塗
布後、殺菌対象物及び雰囲気中の温度を殺菌剤が殺菌効
果を発揮する温度以上、分解温度または蒸発する温度以
下に保持し、次し）で前記殺菌剤を分解または、蒸発に
より除去することを特徴とした殺菌方法である。<Means for Solving the Problems> In order to solve the above-mentioned problems, the present invention, after applying the disinfectant, lowers the temperature of the object to be sterilized and the atmosphere to a temperature higher than the temperature at which the disinfectant exhibits its sterilizing effect. This sterilization method is characterized in that the disinfectant is maintained at a temperature below the decomposition temperature or evaporation temperature, and then the disinfectant is removed by decomposition or evaporation.
く作用〉
殺菌剤が微生物に対し、殺菌効果を発揮するためには、
殺菌剤と微生物が任意の時間接触している必要がある。In order for a disinfectant to exert its bactericidal effect against microorganisms, it must
The disinfectant and the microorganism must be in contact for any length of time.
たとえば、殺菌剤の一例である過酸化水素を例にとれば
、バチルスズブチルス（Ｂａｃｉｌｌｕｓ ５ｕｂｔｉ
１ｉｓ） Ｉ Ｆ ０１３７２１ の胞子は、２４°Ｃ
の２６％過酸化水素水溶液に５分間接触した場合におい
ては、生菌数は１／１０に減少したのに対して、１４分
間接触した場合においては、生菌数は１／１０００００
に減少した。したがって、殺菌剤を塗布した直後に殺菌
剤の除去を行うと、十分な殺菌効果を得られない場合が
ある。For example, if we take hydrogen peroxide, which is an example of a disinfectant, Bacillus subtilis
1is) IF 013721 spores at 24°C
When exposed to a 26% hydrogen peroxide aqueous solution for 5 minutes, the number of viable bacteria decreased to 1/10, whereas when exposed for 14 minutes, the number of viable bacteria decreased to 1/100,000.
decreased to Therefore, if the fungicide is removed immediately after it is applied, a sufficient bactericidal effect may not be obtained.
また、殺菌剤の作用温度が高いほど殺菌効果が高いこと
が知られている。たとえば前記と同様に過酸化水素を例
にとれば、バチルスズブチルス（Ｂａｃｉｌｌｕｓ ５
ｕｂｔｉｌｉｓ） Ｉ Ｆ Ｏ１３７２１の胞子に対し
て、２６％過酸化水素水溶液を作用温度２４°Ｃにおい
て、５分間接触させたところ、生菌数を１／１０に減少
させたのに対し、同様の過酸化水素溶液を作用温度５６
゛Ｃにて同様の菌に接触させたところ、２分間で１／１
０００００に生菌数を減少させることができた。したが
って、殺菌剤は、作用温度を上げることにより、その殺
菌効果を高めることができる。It is also known that the higher the action temperature of a disinfectant, the higher the disinfectant effect. For example, if we take hydrogen peroxide as an example, Bacillus 5
When spores of IFO13721 (C. ubtilis) were brought into contact with a 26% aqueous hydrogen peroxide solution at an action temperature of 24°C for 5 minutes, the number of viable bacteria was reduced to 1/10; Hydrogen oxide solution at working temperature 56
When exposed to similar bacteria at
The number of viable bacteria could be reduced to 00,000. Therefore, bactericidal agents can increase their bactericidal effectiveness by increasing the temperature of action.
すなわち、本発明は殺菌剤を殺菌対象物に塗布した後、
雰囲気温度および殺菌対象物の温度を上げ、殺菌剤の作
用温度を上げた後、一定の時間保持することにより殺菌
効果を高めた殺菌方法である。That is, in the present invention, after applying a disinfectant to an object to be sterilized,
This is a sterilization method that increases the sterilization effect by raising the ambient temperature and the temperature of the object to be sterilized, raising the action temperature of the sterilizer, and then holding it for a certain period of time.
また、この時の作用温度は、殺菌剤が急激に蒸発又は分
解をおこし、殺菌剤と菌体との接触時間を短縮させるこ
とのないように、殺菌剤により任意の温度を設定する必
要がある。In addition, the operating temperature at this time must be set at an arbitrary temperature depending on the disinfectant so that the disinfectant does not rapidly evaporate or decompose and shorten the contact time between the disinfectant and the bacterial cells. .
そして、殺菌効果を高めるために任意の温度に上昇させ
、任意の時間保持した後の殺菌剤の除去方法としては、
さらに温度を上げて殺菌剤を蒸発又は分解して除去する
方法、又は、加熱した無菌エアーにて任意の温度に上昇
させた場合には、さらに風量を増加させ、殺菌剤を蒸発
させ、除去する方法もあるが、この場合には、殺菌効果
を高めるに任意の温度に上昇させた時の風量は、殺菌剤
が急激に蒸発しない風量を殺菌剤により任意に設定する
ことも必要となる。In order to enhance the sterilizing effect, the method for removing the sterilizer after raising it to a desired temperature and holding it for a desired period of time is as follows:
The method is to further raise the temperature to evaporate or decompose and remove the disinfectant, or if the temperature is raised to a desired level with heated sterile air, the air volume is further increased to evaporate and remove the disinfectant. There are other methods, but in this case, in order to enhance the sterilization effect, it is necessary to arbitrarily set the air volume when the temperature is raised to a certain temperature so that the sterilizer does not evaporate rapidly.
〈実施例１〉 以下、図面に従い本発明の実施例について説明する。<Example 1> Embodiments of the present invention will be described below with reference to the drawings.
第１図は、無菌充填包装機の概略図であり、殺菌された
スリーブ状紙製容器（１）を、搬入口（２）より、無菌
チャンバー（３）内に搬入し、マンドレル（４）にて、
ボトムを形成した後、搬送チェーン（５）にて、充填部
（６）に送られ、内容物を充填し、トップシール部（７
）に送られて、トップを成形及び封かんし、搬出口（８
）より、搬出する無菌充填包装機であるが、あらかじめ
、無菌チャンバー（３）内を殺菌し、無菌状態にする必
要がある。この殺菌に本発明による殺菌方法を用いたも
のである。FIG. 1 is a schematic diagram of an aseptic filling and packaging machine, in which a sterilized sleeve-shaped paper container (1) is carried into a sterile chamber (3) through an entrance (2), and placed on a mandrel (4). hand,
After forming the bottom, the conveyor chain (5) sends it to the filling section (6), fills it with contents, and seals the top seal section (7).
), the top is molded and sealed, and the top is sent to the exit (8).
), the aseptic filling and packaging machine is to be carried out, but it is necessary to sterilize the inside of the aseptic chamber (3) in advance to bring it into a sterile state. The sterilization method according to the present invention was used for this sterilization.
この殺菌効果を確認するために、無菌チャンバー（３）
内の各部位にバチルスズブチルス（ＢａｃｉｌｌｕｓＳ
ｕｂ ｔ ｉ Ｉ Ｉ ｉｓ）の胞子懸濁液を塗布し、
加圧タンク０１１に食品添加用３５％過酸化水素水溶液
を入れ、加圧空気にて１ ｋｇ ／ ｃｉに加圧し、圧
力が１．５ｋｇ／ｃ４の無菌エアーを無菌エアーライン
θ灯に送り、両者を二流体ノズル圓、０つ、０ω、功よ
り同時に３０秒間噴射した後、ダクトＱｌより、約６０
°Ｃに加熱した無菌エアーを無菌チャンバー（３）内に
、３０分間送り込み、無菌チャンバー（３）内の各部位
及び雰囲気の温度を上昇させた。この時、陽圧となった
空気は、スリーブ搬入口（２）、及び搬出口（８）より
、ダクトＱｌｌ）、θつを用いて回収した。次に、ダク
ト１２Ｇより、約１４０°Ｃに加熱した無菌エアーを無
菌チャンバー（３）内に送り込み、過酸化水素水気をダ
クト０８）、０９１により、強力に吸引することにより
回収し無菌チャンバ（３）内を乾燥させ、過酸化水素を
除去した。乾燥後、菌体を回収し、生残菌数を測定した
ところ、各部位とも１０−６の殺菌効果を有することが
わかった。In order to confirm this sterilization effect, a sterile chamber (3)
Bacillus S subtilis (Bacillus S
applying a spore suspension of
A 35% aqueous hydrogen peroxide solution for food additives was put in the pressurized tank 011, and the pressure was increased to 1 kg/ci with pressurized air.The sterile air with a pressure of 1.5 kg/c4 was sent to the sterile air line θ lamp, and both After jetting for 30 seconds at the same time from two fluid nozzles, 0, 0ω, and 0, approximately 60
Sterile air heated to °C was fed into the sterile chamber (3) for 30 minutes to raise the temperature of each part and atmosphere within the sterile chamber (3). At this time, the positive pressure air was collected from the sleeve inlet (2) and outlet (8) using ducts Qll) and θ. Next, sterile air heated to approximately 140°C is sent into the sterile chamber (3) from the duct 12G, and the hydrogen peroxide water is collected by strong suction through the ducts 08) and 091, and is collected into the sterile chamber (3). ) was dried to remove hydrogen peroxide. After drying, the bacterial cells were collected and the number of surviving bacteria was measured, and it was found that each site had a bactericidal effect of 10-6.
く比較例１〉
比較例として、実施例１と同様な操作を行い、過酸化水
素水溶液を噴射した後、ダク） ＣＩより、約１４０℃
に加熱した無菌エアーを無菌チャンバー（３）内に送り
込み、過酸化水素蒸気をダクト０８）、０９により、強
力に吸引することにより回収し無菌チャンバ（３）内を
乾燥させた。その結果、過酸化水素水溶液は、殺菌効果
を発揮する前に蒸発してしまい、殺菌効果を確認するこ
とはできなかった。Comparative Example 1> As a comparative example, the same operation as in Example 1 was carried out, and after spraying an aqueous hydrogen peroxide solution, the temperature was set at about 140°C.
Sterile air heated to 100% was sent into the sterile chamber (3), and hydrogen peroxide vapor was collected by strong suction through ducts 08) and 09, thereby drying the inside of the sterile chamber (3). As a result, the hydrogen peroxide aqueous solution evaporated before exhibiting its bactericidal effect, and the bactericidal effect could not be confirmed.
〈実施例２〉
空気、水等を通す配管殺菌のモデル実験として、第２図
のような装置を作成し、本発明による殺菌方法の殺菌効
果を確認した。すなわち、ステンレス管（３０）に第２
図に示すように一流体ノズル（３２）した。<Example 2> As a model experiment for sterilizing pipes through which air, water, etc. are passed, an apparatus as shown in FIG. 2 was prepared, and the sterilizing effect of the sterilizing method according to the present invention was confirmed. That is, the second stainless steel pipe (30)
A single fluid nozzle (32) was used as shown in the figure.
殺菌効果を確認するために、ステンレス管（３０）内に
バチルスズブチルス（Ｂａｃｉｌｌｕｓ ５ｕｂｔｉ目
Ｓ）の胞子懸濁液を塗布した後、１．４ ｋｇ／ｃ−の
圧力にて、−流体ノズル（３２）より食品添加用３５％
過酸化水素水溶液を２秒間噴射した。その後、６０°Ｃ
に加熱した無菌エアーをステンレス管に風速０．１ｍ／
秒で３０分間吹き込んだ後、風速を２０ｍ／秒に上昇さ
せ、過酸化水素を除去した。除去後、菌体を回収し、生
残菌数を測定したところ、１０−’の殺菌効果を有した
。In order to confirm the bactericidal effect, a spore suspension of Bacillus subtilis (order S) was applied to a stainless steel tube (30), and then a -fluid nozzle was applied at a pressure of 1.4 kg/c. (32) for food additive use 35%
Aqueous hydrogen peroxide solution was sprayed for 2 seconds. Then 60°C
Sterile air heated to
After blowing at 20 m/s for 30 minutes, the air speed was increased to 20 m/s to remove hydrogen peroxide. After removal, the bacterial cells were collected and the number of surviving bacteria was measured, and the bactericidal effect was 10-'.
く比較例２〉
実施例２と同様に操作を行ない、過酸化水素水溶液を噴
霧後、６０°Ｃに加熱した無菌エアーを風速２５ｍ／秒
にて吹込み過酸化水素を除去した。除去後、菌体を回収
し、生残菌数を測定したところ、殺菌効果をｉｔ認する
ことはできなかった。Comparative Example 2 The same operation as in Example 2 was carried out, and after spraying an aqueous hydrogen peroxide solution, sterile air heated to 60°C was blown in at a wind speed of 25 m/sec to remove hydrogen peroxide. After removal, the bacterial cells were collected and the number of surviving bacteria was measured, and no bactericidal effect could be observed.
く効果〉
本発明は、以上のように、殺菌対象物に殺菌剤を噴霧し
、加熱した無菌エアーにより、乾燥又は分解して除去す
る殺菌方法において、殺菌剤の噴霧と除去との間に、殺
菌剤が蒸発又は分解しない状態の温度で保つことにより
、殺菌剤の効果を高め、又、殺菌剤と菌体との接触時間
を保つことにより、殺菌効果を高めることが可能となっ
た。Effect> As described above, the present invention provides a sterilization method in which a sterilizer is sprayed onto an object to be sterilized and removed by drying or decomposition with heated sterile air, and between the spraying and removal of the sterilizer, By keeping the disinfectant at a temperature where it does not evaporate or decompose, the effectiveness of the disinfectant can be increased, and by maintaining the contact time between the disinfectant and the bacterial cells, it has become possible to increase the disinfectant effect.
また、その結果、殺菌剤の使用量を最小限におさえるこ
とが可能となり、殺菌剤の残留の問題も解決し、また経
済的に殺菌が行えるようになった。Furthermore, as a result, it has become possible to minimize the amount of disinfectant used, solving the problem of residual disinfectant, and making it possible to carry out sterilization economically.
第１図は、本発明の殺菌方法を用いた無菌充填包装機の
一例を示す概略説明図である。第２図は、本発明の殺菌
方法を用いた配管殺菌のモデル実験装置を示す説明図で
ある。
（１）・・・スリーブ状紙製容器
（２）・・・搬入口 （３）・・・無菌チャン
バー（４）・・・マンドレル （５）・・・搬送チ
ェーン（６）・・・充填部 （７）・・・トッ
プシール部（８）・・・搬出口 θＤ・・・加
圧タンク０２１・・・送液ライン ０３）・・・無
菌エアーライン０４） ０５１０６） Ｏ力・・・二流
体ノズル０ａ０９・・・回収ダクトＱＩ・・・送風ダク
ト（３０）・・・ステンレス管
（３１）・・・フレキシブルホース
（３２）・・・−流体ノズル
第２図FIG. 1 is a schematic explanatory diagram showing an example of an aseptic filling and packaging machine using the sterilization method of the present invention. FIG. 2 is an explanatory diagram showing a model experimental apparatus for pipe sterilization using the sterilization method of the present invention. (1)... Sleeve-shaped paper container (2)... Loading port (3)... Sterile chamber (4)... Mandrel (5)... Conveyance chain (6)... Filling section (7)...Top seal part (8)...Export port θD...Pressure tank 021...Liquid feeding line 03)...Sterile air line 04) 05106) O force...Two fluids Nozzle 0a09...Recovery duct QI...Blower duct (30)...Stainless steel pipe (31)...Flexible hose (32)...-Fluid nozzle Fig. 2
Claims (1)
よび雰囲気の温度を殺菌剤が殺菌効果を発揮する温度以
上、分解または蒸発する温度以下に保持し、次いで前記
殺菌剤を分解または、蒸発により除去することを特徴と
した殺菌方法。(1) After applying the disinfectant to the object to be sterilized, the temperature of the object to be sterilized and the atmosphere are maintained at a temperature above which the sterilizer exerts its sterilizing effect and below a temperature at which it decomposes or evaporates, and then the sterilizer is decomposed or evaporated. , a sterilization method characterized by removal by evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9087088A JPH01267131A (en) | 1988-04-13 | 1988-04-13 | Disinfecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9087088A JPH01267131A (en) | 1988-04-13 | 1988-04-13 | Disinfecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01267131A true JPH01267131A (en) | 1989-10-25 |
Family
ID=14010551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9087088A Pending JPH01267131A (en) | 1988-04-13 | 1988-04-13 | Disinfecting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01267131A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105832A (en) * | 1997-10-01 | 1999-04-20 | Toppan Printing Co Ltd | Method and apparatus for holding sterile positive pressure of chamber in liquid packaging filling machine |
| US8168122B2 (en) | 2007-08-07 | 2012-05-01 | Lee Antimicrobial Solutions Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US9050381B2 (en) | 2010-01-22 | 2015-06-09 | Toyo Seikan Kaisha, Ltd. | Method for sterilizing surface of space and sterilization system |
| USD744627S1 (en) | 2014-07-23 | 2015-12-01 | Lee Antimicrobial Solutions, Llc | Air-permeable substrate structure |
| USD814006S1 (en) | 2014-07-18 | 2018-03-27 | Synexis Llc | Device for producing non-hydrated purified hydrogen peroxide gas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127807B2 (en) * | 1977-11-08 | 1986-06-27 | Sony Corp | |
| JPS6228326A (en) * | 1985-07-16 | 1987-02-06 | 東洋製罐株式会社 | Sterilizing method |
-
1988
- 1988-04-13 JP JP9087088A patent/JPH01267131A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127807B2 (en) * | 1977-11-08 | 1986-06-27 | Sony Corp | |
| JPS6228326A (en) * | 1985-07-16 | 1987-02-06 | 東洋製罐株式会社 | Sterilizing method |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105832A (en) * | 1997-10-01 | 1999-04-20 | Toppan Printing Co Ltd | Method and apparatus for holding sterile positive pressure of chamber in liquid packaging filling machine |
| US8168122B2 (en) | 2007-08-07 | 2012-05-01 | Lee Antimicrobial Solutions Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US8685329B2 (en) | 2007-08-07 | 2014-04-01 | Lee Antimicrobial Solutions Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US9034255B2 (en) | 2007-08-07 | 2015-05-19 | Lee Antimicrobial Solutions Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US9370592B2 (en) | 2007-08-07 | 2016-06-21 | Lee Antimicrobial Solutions Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US10188766B2 (en) | 2007-08-07 | 2019-01-29 | Synexis Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US10940223B2 (en) | 2007-08-07 | 2021-03-09 | Synexis Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US11207436B2 (en) | 2007-08-07 | 2021-12-28 | Synexis Llc | Purified hydrogen peroxide gas microbial control methods and devices |
| US9050381B2 (en) | 2010-01-22 | 2015-06-09 | Toyo Seikan Kaisha, Ltd. | Method for sterilizing surface of space and sterilization system |
| USD814006S1 (en) | 2014-07-18 | 2018-03-27 | Synexis Llc | Device for producing non-hydrated purified hydrogen peroxide gas |
| USD744627S1 (en) | 2014-07-23 | 2015-12-01 | Lee Antimicrobial Solutions, Llc | Air-permeable substrate structure |
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