Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor (pressure vessels for containing or storing compressed, liquefied or solidified gases F17C)

Child Classifications

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• B01J 3/002 CPC only CPC only
• B01J 3/004 CPC only CPC only
• B01J 3/006 CPC only CPC only
• B01J 3/008 CPC only CPC only
• B01J 3/02 Feed or outlet devices therefor IPC+CPC Available in IPC and CPC
• B01J 3/03 Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor since 1980 IPC+CPC Available in IPC and CPC
• B01J 3/04 Pressure vessels, e.g. autoclaves since 1974 +4 CPC IPC+CPC Available in IPC and CPC
• B01J 3/06 Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies (B01J3/04 takes precedence) since 1974 +2 CPC IPC+CPC Available in IPC and CPC