- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
Patent holdings for IPC class C04B 28/02
Total number of patents in this class: 3335
10-year publication summary
203
|
238
|
294
|
265
|
254
|
184
|
237
|
232
|
179
|
117
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20901 |
235 |
Sika Technology AG | 2870 |
188 |
Saudi Arabian Oil Company | 13185 |
116 |
Construction Research & Technology GmbH | 641 |
109 |
Denka Company Limited | 2580 |
80 |
Kao Corporation | 4962 |
54 |
BASF SE | 20915 |
51 |
Wacker Chemie AG | 2106 |
49 |
Holcim Technology Ltd. | 991 |
42 |
Schlumberger Technology Corporation | 10727 |
38 |
Dow Global Technologies LLC | 10332 |
38 |
Aramco Services Company | 3976 |
37 |
Lafarge | 128 |
37 |
GCP Applied Technologies Inc. | 468 |
34 |
Nippon Shokubai Co., Ltd. | 1507 |
34 |
Chryso | 126 |
29 |
Schlumberger Canada Limited | 7296 |
26 |
Schlumberger Technology B.v. | 5165 |
25 |
Services Petroliers Schlumberger | 5787 |
25 |
CURTIS, Philip, Anthony | 425 |
25 |
Other owners | 2063 |