Patent holdings for IPC class C07C 33/03

Total number of patents in this class: 90

10-year publication summary

5
3
11
4
5
4
1
1
1
1
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.
5457
12
BASF SE
21131
7
Lyondell Chemical Technology, L.P.
252
7
Zhejiang University
3341
5
LG Chem, Ltd.
17778
3
Centre National de La Recherche Scientifique
10841
3
Johnson Matthey Public Limited Company
1736
3
Versalis S.P.A.
542
3
Zhejiang Huangma Technology Co., Ltd
34
3
Zhejiang Nhu Company Limited
189
3
Shandong Nhu Pharmaceutical Co., Ltd.
25
3
Syngenta Participations AG
1619
2
Ecole Centrale de Lille
51
2
HEXO Operations Inc.
173
2
Shandong Nhu Vitamin Co., Ltd.
17
2
Shell Internationale Research Maatschappij B.V.
3493
1
The Regents of the University of California
20473
1
Shell Oil Company
2111
1
Kao Corporation
5026
1
Battelle Memorial Institute
2542
1
Other owners 25