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Fujairah, United Arab Emirates

Dorf Ketal Chemicals Fze

USPTO Granted Patents = 30

CIPO Patents = 2

EPO Patents = 7

Trademarks = 46

Forward Citations = 5

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10 inventors (with patents filed for the assignee):

Clay Purdy (27 out of 82 patents)

Markus Weissenberger (27 out of 77 patents)

Kyle G Wynnyk (5 out of 34 patents)

4. Karl W Dawson (4 out of 19 patents)

5. Mahesh Subramaniyam (3 out of 37 patents)

6. Adrienne Lee (3 out of 4 patents)

7. Stig Magnor Nordaa (3 out of 3 patents)

8. Alexander David Jamieson (1 out of 9 patents)

9. Elsayed Abdelfatah (1 out of 3 patents)

10. Cora Gordos (1 out of 1 patent)

30 patents: Sort by Forward Citations

1. 12497557 - Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing an acidic composition in the wellbore (2025-12-16),

2. 12384968 - Inhibited hydrofluoric acid composition (2025-08-12),

3. 12312533 - Composition useful in sulfate scale removal (2025-05-27),

4. 12241021 - Method for fracking of simulation of hydrocarbon bearing formation (2025-03-04),

5. 12180423 - Methods for stimulating hydrocarbon-bearing formations (2024-12-31),

6. 12152195 - Methods for spotting acid in a wellbore (2024-11-26),

7. 12116677 - Corrosion inhibition package (2024-10-15),

8. 12091601 - Process to manufacture novel inhibited hydrofluoric acid composition (2024-09-17),

9. 12065628 - Stable nitric acid blends and uses thereof (2024-08-20),

10. 12018210 - Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing an acidic composition in the wellbore (2024-06-25),

11. 11981578 - Inhibited hydrofluoric acid composition (2024-05-14),

12. 11945997 - Composition useful in sulfate scale removal (2024-04-02),

13. 11920081 - Modified acid compositions as alternatives to conventional acids in the oil and gas industry (2024-03-05),

14. 11912936 - Aqueous modified acid compositions and methods of using the same (2024-02-27),

15. 11912929 - Modified acid compositions as alternatives to conventional acids in the oil and gas industry (2024-02-27),

Dorf Ketal Chemicals Fze is a leading global supplier of specialty chemicals and catalysts for the oil and gas industry. With a focus on innovation and sustainability, the company provides custom solutions to meet the unique needs of its customers. Dorf Ketal's products are used in a wide range of applications, including drilling fluids, oil refining, and petrochemical production.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

30 Patents

#1 in Fujairah

#7 in United Arab Emirates

#21,209 in the World

Fujairah, United Arab Emirates

Dorf Ketal Chemicals Fze

Forward Citations = 5

10 inventors:

Clay Purdy (27 out of 82 patents)

Markus Weissenberger (27 out of 77 patents)

Kyle G Wynnyk (5 out of 34 patents)

4. Karl W Dawson (4 out of 19 patents)

5. Mahesh Subramaniyam (3 out of 37 patents)

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