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For the Inventor, By the Inventor

Kaohsiung, Taiwan

China Petrochemical Development Corporation


USPTO Granted Patents = 60


Forward Citations = 65

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104 inventors (with patents filed for the assignee):

goldMedal Cheng-Fa Hsieh (19 out of 23 patents)

silverMedal Pin-To Yao (10 out of 12 patents)

bronzeMedal Jih-Dar Hwang (6 out of 6 patents)

4.  Chia Jung Tsai (5 out of 5 patents)

5.  Chia-Jung Tsai (5 out of 7 patents)

6.  Chien-Chang Chiang (4 out of 8 patents)

7.  Chien-Hsien Li (4 out of 4 patents)

8.  Chia Hui Shen (4 out of 4 patents)

9.  Shu-Hung Yang (4 out of 4 patents)

10.  Shou-Li Luo (4 out of 4 patents)

11.  Chia-Hui Shen (3 out of 5 patents)

12.  Ya-Ping Chen (3 out of 4 patents)

13.  Yung-Shun Kung (3 out of 3 patents)

14.  Yao-Ching Tsai (3 out of 3 patents)

15.  Chih-Wei Chang (3 out of 6 patents)


Core Competencies:
Recombinant Microorganism
Molecular Sieve
Hydrogenation
Caprolactam
Organic Light-Emitting Diode
Carbazole Derivatives
Electrolyte Solution
Ionic Liquid
Hydroxylamine
Carboxylic Acid
Epoxide
Cyclohexanone

60 patents:

1. 11408015 - Expression vector, recombinant microorganism and method for producing 1,5-diaminopentane (2022-08-09),
2. 10800721 - Method for preparing 2-Cyclohexyl cyclohexanol (2020-10-13),
3. 10787408 - Method for producing 9,9-bis(3-phenyl-4-(2-hydroxyethoxy)phenyl)fluorene (2020-09-29),
4. 10232417 - Recycling method and apparatus for soil contaminated with mercury and dioxin (2019-03-19),
5. 10214483 - Titanium-silicalite molecular sieve, method for preparing the same and method for preparing cyclohexanone oxime using the molecular sieve (2019-02-26),
6. 10023515 - Method for preparing cyclohexanone by hydrogenating phenol (2018-07-17),
7. 9902700 - Method and system for preparing caprolactam (2018-02-27),
8. 9669395 - Catalyst composition for preparing O-phenylphenol and method for preparing O-phenylphenol with the catalyst composition (2017-06-06),
9. 9550721 - Method for preparing dimethyl 1,4-cyclohexanedicarboxylate and method for preparing 1,4-cyclohexanedimethanol (2017-01-24),
10. 9518024 - Method and system for preparing caprolactam (2016-12-13),
11. 9486760 - Fluid mixing device (2016-11-08),
12. 9434683 - Titanium-silicalite molecular sieve, method for preparing the same and method for preparing cyclohexanone oxime using the molecular sieve (2016-09-06),
13. 9371238 - Titanium-silicalite molecular sieve, method for preparing the same and method for preparing cyclohexanone oxime using the molecular sieve (2016-06-21),
14. 9206101 - Method for hydroxylation of phenol (2015-12-08),
15. 9196923 - Electrolyte solution having ionic liquid and lithium-ion battery having the same (2015-11-24),
China Petrochemical Development Corporation (CPDC) is a leading petrochemical company based in China. With years of experience and expertise in the industry, CPDC is dedicated to the development, production, and distribution of high-quality petrochemical products. We strive to provide sustainable solutions and meet the evolving needs of our customers. Visit our website to learn more about our company and explore our diverse range of products and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

60 Patents

#13 in Kaohsiung

#341 in Taiwan

#11,784 in the World

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Kaohsiung, Taiwan

China Petrochemical Development Corporation

Forward Citations = 65

104 inventors:

goldMedal Cheng-Fa Hsieh (19 out of 23 patents)

silverMedal Pin-To Yao (10 out of 12 patents)

bronzeMedal Jih-Dar Hwang (6 out of 6 patents)

4.  Chia Jung Tsai (5 out of 5 patents)

5.  Chia-Jung Tsai (5 out of 7 patents)

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