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  • All sections
  • C - Chemistrymetallurgy
  • C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
  • C10C 3/04 - Working-up pitch, asphalt, bitumen by chemical means by blowing or oxidising

Patent holdings for IPC class C10C 3/04

Total number of patents in this class: 64

10-year publication summary

1
7
5
6
4
4
5
6
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Bmic LLC
797
7
ExxonMobil Research And Engineering Company
2442
6
OCI Company Ltd.
161
5
ExxonMobil Technology and Engineering Company
1330
5
Building Materials Investment Corporation
137
4
Korea Research Institute of Chemical Technology
1464
4
Owens Corning Intellectual Capital, LLC
1711
3
Saudi Arabian Oil Company
14014
3
Yara International ASA
891
3
Flex Products LLC
2
2
Epsilon Advanced Materials Pvt Ltd
12
2
ACP Technologies, LLC
9
2
LG Chem, Ltd.
17913
1
Shell Internationale Research Maatschappij B.V.
3431
1
Shell Oil Company
2077
1
Asphalt Technology LLC
1
1
Enerkem Inc.
88
1
Expander Energy Inc.
56
1
Kyushu University, National University Corporation
1703
1
Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr"
139
1
Other owners 10

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