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For the Inventor, By the Inventor

Bankok, Thailand

Ptt Global Chemical Public Company Limited


USPTO Granted Patents = 43



Trademarks = 2

Forward Citations = 12

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106 inventors (with patents filed for the assignee):

goldMedal Phatthanon Prasitchoke (5 out of 5 patents)

silverMedal Sitthiphong Pengpanich (5 out of 5 patents)

bronzeMedal Chaya Chandavasu (5 out of 6 patents)

4.  Anucha Euapermkiati (5 out of 5 patents)

5.  Sophon Kaeothip (4 out of 5 patents)

6.  Khamphee Phomphrai (4 out of 4 patents)

7.  Arne Matthew Terwillegar (4 out of 4 patents)

8.  R Rogers Yocum (4 out of 21 patents)

9.  Nichaporn Sirimungkalakul (4 out of 4 patents)

10.  Kawisra Sompech (4 out of 4 patents)

11.  Nattapong Tarapoom (4 out of 4 patents)

12.  Verawat Champreda (3 out of 3 patents)

13.  Wikanda Techanan (3 out of 3 patents)

14.  Charliss Denniston (3 out of 3 patents)

15.  Theron Hermann (3 out of 14 patents)


Core Competencies:
Catalyst Composition
Microchannel Heat Exchanger
Olefins Separation
Lactic Acid Production
Bioplastic Composition
Polyurethane Dispersion
Genetically Modified Yeast
Organic Acids Fermentation
Corrosion Resistant Coatings
Hybrid Polyols
Ion Exchange Resin
Biodegradable Polymer

43 patents:

1. 12496575 - Catalyst composition for cyclic carbonate production from COand epoxides (2025-12-16),
2. 12377406 - Catalyst composition for cyclic carbonate production from COand olefins (2025-08-05),
3. 12372308 - Microchannel heat exchanger (2025-07-29),
4. 12290801 - Catalyst for aromatization of alkanes having 4 to 7 carbon atoms, process of making, and process of aromatics preparation by using thereof (2025-05-06),
5. 12239955 - Process for removing arsine from hydrocarbon mixture (2025-03-04),
6. 12186707 - Olefins-paraffins separation process by membrane (2025-01-07),
7. 12018245 - Yeast having improvement of lactic acid tolerance and use thereof (2024-06-25),
8. 12012692 - Waterborne sizing composition for treating natural fibers and a process to treat natural fibers by said composition (2024-06-18),
9. 11801499 - Catalyst for producing light olefins from C4-C7 hydrocarbons (2023-10-31),
10. 11781021 - Dicyclopentadiene modified ester oligomers useful in corrosion resistant coatings (2023-10-10),
11. 11685938 - Muconic acid production from genetically engineered microorganisms (2023-06-27),
12. 11517885 - Catalyst for producing olefins from dehydrogenation of alkane and a method for producing olefins using said catalyst (2022-12-06),
13. 11447802 - Microorganisms and processes for lactic acid production (2022-09-20),
14. 11253841 - Copper aluminium oxide catalyst for preparing furfuryl alcohol from furfural and a preparation of said catalyst (2022-02-22),
15. 11242507 - Mutant strainfor producing cellulase and xylanase and preparation method thereof (2022-02-08),
PTT Global Chemical Public Company Limited (PTTGC) is a leading petrochemical and refining company based in Thailand. Established in 2011, PTTGC focuses on producing high-quality products for diverse industries such as automotive, packaging, healthcare, and construction. With a commitment to sustainability, innovation, and customer satisfaction, PTTGC aims to drive economic growth while minimizing environmental impacts. For more information, please visit their website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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43 Patents

#1 in Bankok

#6 in Thailand

#15,583 in the World

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Bankok, Thailand

Ptt Global Chemical Public Company Limited

Forward Citations = 12

106 inventors:

goldMedal Phatthanon Prasitchoke (5 out of 5 patents)

silverMedal Sitthiphong Pengpanich (5 out of 5 patents)

bronzeMedal Chaya Chandavasu (5 out of 6 patents)

4.  Anucha Euapermkiati (5 out of 5 patents)

5.  Sophon Kaeothip (4 out of 5 patents)

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