Process Disinfecting, Preserving, Deodorizing, Or Sterilizing Patents (Class 422/1)
- Using protective article (e.g., antitarnish fabric, etc.) (Class 422/8)
- Using gaseous preservative, preservative added to gaseous phase of environment, or maintaining gaseous phase nondestructive (Class 422/9)
- Aqueous acid environment (i.e.,pH less than or equal to 4.1) (Class 422/12)
- Aqueous alkali environment (i.e., pH greater than or equal to 8.4) (Class 422/13)
- Essentially pure water environment (Class 422/14)
- In situ generation of agent other than aldehyde or glycol (Class 422/29)
- And removing the agent by chemical reaction or sorption (Class 422/30)
- And recovering or reusing the agent (Class 422/31)
- Treating bulk material (Class 422/32)
- With positive pressure or vacuum (Class 422/33)
- Using alkylene oxide (Class 422/34)
- Using cyanide (Class 422/35)
- Using aldehyde (Class 422/36)
- Using halogen or halogen-containing compound (Class 422/37)