CPC Subgroup
C04B 24/2635 Full Title
Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers > Macromolecular compounds (C04B24/14 takes precedence; macromolecular compounds comprising sulfonate or sulfate groups C04B24/16) > obtained by reactions only involving carbon-to-carbon unsaturated bonds
Top Applicants
Top 10 applicants by patent filingsfor 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