DIFF Subgroup
A23F 3/36 Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Tea; Tea substitutes; Preparations thereof > Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
CPC:
Tea; Tea substitutes; Preparations thereof (preservation of tea, tea substitutes or herbal tea A23B85/00) > Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- A23F 3/38 Reducing or removing alkaloid content from tea extract since 1980 +1 CPC IPC+CPC Available in IPC and CPC