- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 318
10-year publication summary
|
10
|
24
|
25
|
37
|
52
|
30
|
26
|
12
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
93 |
| Halliburton Energy Services, Inc. | 20165 |
55 |
| Aramco Services Company | 3504 |
19 |
| Schlumberger Technology Corporation | 9690 |
18 |
| Schlumberger Canada Limited | 6913 |
12 |
| Schlumberger Technology B.v. | 4951 |
12 |
| Services Petroliers Schlumberger | 5426 |
12 |
| Schlumberger Holdings Limited | 2947 |
8 |
| Prad Research and Development Limited | 2696 |
8 |
| Baker Hughes Incorporated | 5689 |
4 |
| China Petroleum & Chemical Corporation | 1623 |
4 |
| Oji Holdings Corporation | 660 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 105 |
4 |
| Elkem AS | 66 |
3 |
| M-I L.L.C. | 893 |
3 |
| Southwest Petroleum University | 403 |
3 |
| Schlumberger Norge AS | 76 |
2 |
| Albert Einstein College of Medicine, Inc. | 528 |
2 |
| Borregaard AS | 108 |
2 |
| China University of Petroleum (East China) | 319 |
2 |
| Other owners | 48 |