DIFF Subgroup
A61L 29/04 Macromolecular materials
Introduced: January 2000
Full Title
Full titles differ between systems:
IPC:
Materials for catheters or for coating catheters > Macromolecular materials
CPC:
Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00) > Macromolecular materials
CPC subdivides this area 5x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
IPC defines codes here since 2000.
Child Classifications
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- A61L 29/06 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds since 2000 IPC+CPC Available in IPC and CPC