D02J 3/18 Treating with particulate, semi-solid, or solid substances, e.g. wax (during package formation B65H71/00; waxing yarns or the like as incidental measures during spinning or twisting D01H13/30)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Treating with particulate, semi-solid, or solid substances, e.g. wax
CPC: Treating with particulate, semi-solid, or solid substances, e.g. wax (during package formation B65H71/00; waxing yarns or the like as incidental measures during spinning or twisting D01H13/30)
Full Title
Full titles differ between systems:
Modifying the surface > Treating with particulate, semi-solid, or solid substances, e.g. wax
Modifying the surface > Treating with particulate, semi-solid, or solid substances, e.g. wax (during package formation B65H71/00; waxing yarns or the like as incidental measures during spinning or twisting D01H13/30)
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class D02,2013–2023, worldwide · Source: EPO PATSTAT
- JIANGNAN UNIVERSITY 383
- TORAY INDUSTRIES JP 349
- TORAY INDUSTRIES 281
- OERLIKON TEXTILE & COMPANY DE 224
- CONTINENTAL REIFEN DE 208
- NATIONAL DONG HWA UNIVERSITY 203
- KOLON INDUSTRIES KR 188
- WUHAN TEXTILE UNIVERSITY 184
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
- TMT MACHINERY 155
Top Applicants (CPC)
Class D02,2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 443
- OERLIKON TEXTILE & COMPANY DE 242
- KOLON INDUSTRIES KR 232
- CONTINENTAL REIFEN DE 204
- JIANGNAN UNIVERSITY 193
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
- TMT MACHINERY 168
- NATIONAL DONG HWA UNIVERSITY 163
- WUHAN TEXTILE UNIVERSITY 153
- P&G (PROCTER & GAMBLE COMPANY) US 131