- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/10 - Cellulose or derivatives thereof
Patent holdings for IPC class C09K 8/10
Total number of patents in this class: 145
10-year publication summary
10
|
17
|
25
|
14
|
13
|
8
|
10
|
2
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
31 |
Saudi Arabian Oil Company | 11322 |
14 |
Schlumberger Technology Corporation | 9690 |
6 |
Oji Holdings Corporation | 660 |
6 |
Schlumberger Canada Limited | 6913 |
5 |
GranBio Intellectual Property Holdings, LLC | 105 |
5 |
Schlumberger Technology B.v. | 4951 |
4 |
Hercules LLC | 231 |
4 |
Services Petroliers Schlumberger | 5426 |
4 |
CURTIS, Philip, Anthony | 497 |
4 |
Schlumberger Holdings Limited | 2947 |
3 |
API Intellectual Property Holdings, LLC | 80 |
3 |
Elkem AS | 66 |
3 |
Prad Research and Development Limited | 2696 |
3 |
Dow Global Technologies LLC | 10147 |
2 |
Cellucomp Limited | 34 |
2 |
Cosun Biobased Products B.V. | 7 |
2 |
Dai-Ichi Kogyo Seiyaku Co., Ltd. | 235 |
2 |
Gas Technology Institute | 374 |
2 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
2 |
Other owners | 38 |