Patent holdings for IPC class C07C 33/02

Total number of patents in this class: 131

10-year publication summary

9
5
5
8
9
12
9
7
4
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
DSM IP Assets B.V.
5395
12
Givaudan SA
1992
12
BASF SE
21334
11
Firmenich SA
1781
9
Shin-Etsu Chemical Co., Ltd.
6157
5
Kuraray Co., Ltd.
3621
5
Again Technology Holdings Inc.
273
5
The Procter & Gamble Company
21887
4
Kao Corporation
5112
3
Johnson Matthey Public Limited Company
1766
3
Zhejiang University
3490
3
Bizen Chemical Co., Ltd.
37
2
Giuliani S.p.A.
316
2
Pronova Biopharma Norge AS
63
2
T. Hasegawa Co., Ltd.
92
2
Takasago International Corporation
407
2
Zhejiang Nhu Company Limited
198
2
Shandong Nhu Pharmaceutical Co., Ltd.
25
2
Pronova Biopharma Norge AS
4
2
Kimberly-clark Worldwide, Inc.
5257
1
Other owners 42