- 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: 337
10-year publication summary
|
20
|
31
|
49
|
30
|
26
|
12
|
16
|
13
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13839 |
93 |
| Halliburton Energy Services, Inc. | 21107 |
54 |
| Schlumberger Technology Corporation | 11266 |
21 |
| Aramco Services Company | 4154 |
21 |
| Schlumberger Canada Limited | 7487 |
13 |
| Schlumberger Technology B.v. | 5242 |
13 |
| Services Petroliers Schlumberger | 5921 |
13 |
| Schlumberger Holdings Limited | 2755 |
8 |
| Prad Research and Development Limited | 2685 |
8 |
| Lyondellbasell Advanced Polymers Inc. | 103 |
6 |
| China Petroleum & Chemical Corporation | 1995 |
4 |
| Oji Holdings Corporation | 757 |
4 |
| Baker Hughes Incorporated | 5131 |
3 |
| Elkem AS | 60 |
3 |
| King Fahd University of Petroleum and Minerals | 1432 |
3 |
| M-I L.L.C. | 791 |
3 |
| Southwest Petroleum University | 497 |
3 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 186 |
3 |
| Albert Einstein College of Medicine, Inc. | 588 |
2 |
| Borregaard AS | 126 |
2 |
| Other owners | 57 |