C04B 26/00 Compositions of mortars, concrete or artificial stone, containing only organic binders
Introduced: January 1985
Additional Content IPC
Glossary
Resin- or polymer mortars or concrete Mortar and concrete compositions based on organic binders only, i.e. excluding any inorganic binder. In patent literature these terms are sometimes used for compositions also containing an inorganic binder, e.g. Portland cement. If this is the case classification should not be made in this main group but in main group .
Limiting references
Mechanical features relating to the working of plastics, e.g. moulding polymer or resin concrete Compositions of macromolecular compounds
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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- C04B 26/30 Compounds having one or more carbon-to-metal or carbon-to-silicon linkages since 1985 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class C04,2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 2,095
- WUHAN UNIVERSITY OF TECHNOLOGY 1,205
- NGK INSULATORS JP 1,133
- HALLIBURTON ENERGY SERVICES GROUP US 1,049
- SIKA TECHNOLOGY CH 1,041
- GUILIN UNIVERSITY OF TECHNOLOGY 807
- WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY 806
- SOUTHEAST UNIVERSITY 801
- CORNING US 777
- UNITED STATES GYPSUM COMPANY US 739
Top Applicants (CPC)
Class C04,2013–2023, worldwide · Source: EPO PATSTAT
- HALLIBURTON ENERGY SERVICES GROUP US 2,158
- CHINESE ACADEMY OF SCIENCES 1,569
- NGK INSULATORS JP 1,504
- SIKA TECHNOLOGY CH 1,181
- CORNING US 974
- WUHAN UNIVERSITY OF TECHNOLOGY 926
- UNITED STATES GYPSUM COMPANY US 882
- GE (GENERAL ELECTRIC COMPANY) US 828
- MITSUBISHI MATERIALS CORPORATION JP 792
- SAUDI ARABIAN OIL COMPANY SA 686