Method for obtaining aqueous formulations of oxidation-sensitive active principles

Method for obtaining aqueous formulations of oxidation-sensitive active principles

  • CN 1,556,694 A
  • Filed: 06/06/2001
  • Published: 12/22/2004
  • Est. Priority Date: 06/06/2000
  • Status: Abandoned Application
First Claim
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1. the preparation method to the phenols active component aqueous solution of oxidation-sensitive of long preservation, it is characterized in that adopting at least a noble gas bubbling and/or adopt evacuation, allow these aqueous solutions carry out deoxidation, be lower than 2ppm up to the content that wherein contains aerobic, its feature also is above the above-mentioned active component aqueous solution inert gas atmosphere is arranged randomly, and this aqueous solution is contained in the container of sealing, wherein the pressure maximum is 65000 handkerchiefs, its feature is that also the oxygen content of this aqueous solution is less than or equal to 2ppm, and its feature also is to add the deoxidation that antioxidant is finished this solution.

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