IPC Definitions - January 01, 2012
C09K 21/00 - Definition
References relevant to classification in this main group
This main group does not cover:
Fireproofing materials for use in particular applications, e.g.: | |
For fireproofing wood | B27K |
Of polymers | C08 |
Of textiles | D06M |
Of paper | D21H |
Fireproof paints | C09D 5/18 |
Special rules of classification
In groups C09K 21/02-C09K 21/14, in the absence of an indication to the contrary, materials are classified in the last appropriate place.