Patent holdings for IPC class D01F 6/02

Total number of patents in this class: 16

10-year publication summary

2
2
1
0
0
1
0
0
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Braskem S.A.
475
2
3m Innovative Properties Company
17509
1
BASF SE
21129
1
Sumitomo Chemical Company, Limited
9055
1
Kaneka Corporation
4639
1
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
294
1
Braskem America, Inc.
223
1
China Petroleum & Chemical Corporation
2059
1
Drexel University
1013
1
National University Corporation Okayama University
449
1
The Trustees of Boston College
199
1
Utax Co., Ltd.
28
1
O&M Halyard, Inc.
527
1
Sufab Inc.
1
1
Loria Hair Implant Company LLC
24
1
Other owners 0