• All sections
  • C - Chemistrymetallurgy
  • C01B - Non-metallic elementscompounds thereof
  • C01B 39/04 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactantsAfter-treatment thereof using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound

Patent holdings for IPC class C01B 39/04

Total number of patents in this class: 442

10-year publication summary

27
24
36
35
44
18
23
8
18
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Chevron U.S.A. Inc.
3953
37
BASF SE
20926
30
Saudi Arabian Oil Company
13091
23
NGK Insulators, Ltd.
4949
17
Uop LLC
4244
17
China Petroleum & Chemical Corporation
1899
17
Johnson Matthey Public Limited Company
1851
16
ExxonMobil Research And Engineering Company
2576
15
ExxonMobil Chemical Patents Inc.
3985
14
Universidad Politecnica de Valencia
533
12
BASF (China) Co., Ltd.
837
11
BASF Corporation
1725
8
Mitsubishi Chemical Corporation
4498
8
Consejo Superior de Investigaciones Cientificas
873
8
King Abdullah University of Science and Technology
1776
8
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
674
7
Ecolab USA Inc.
5478
7
BASF Mobile Emissions Catalysts LLC
399
7
Research Institute of Petroleum Processing, Sinopec
374
6
California Institute of Technology
3974
5
Other owners 169