- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/514 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
Patent holdings for IPC class C09K 8/514
Total number of patents in this class: 330
10-year publication summary
23
|
20
|
31
|
49
|
30
|
26
|
12
|
16
|
13
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 13372 |
93 |
Halliburton Energy Services, Inc. | 20946 |
53 |
Aramco Services Company | 4025 |
21 |
Schlumberger Technology Corporation | 10881 |
20 |
Schlumberger Canada Limited | 7366 |
12 |
Schlumberger Technology B.v. | 5183 |
12 |
Services Petroliers Schlumberger | 5828 |
12 |
Schlumberger Holdings Limited | 2803 |
8 |
Prad Research and Development Limited | 2692 |
8 |
Lyondellbasell Advanced Polymers Inc. | 101 |
5 |
China Petroleum & Chemical Corporation | 1909 |
4 |
Oji Holdings Corporation | 728 |
4 |
Baker Hughes Incorporated | 5248 |
3 |
Elkem AS | 60 |
3 |
King Fahd University of Petroleum and Minerals | 1272 |
3 |
M-I L.L.C. | 815 |
3 |
Southwest Petroleum University | 476 |
3 |
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 185 |
3 |
Albert Einstein College of Medicine, Inc. | 578 |
2 |
Borregaard AS | 125 |
2 |
Other owners | 56 |