Haiyou Wang

This inventor holds 137 USPTO granted patents and 56 published patent applications, plus 6 CIPO patents and 64 EPO patents, primarily in Fluorinated Compounds (CPC class C07C17-25). Top assignees: Honeywell International Inc., Solstice Advanced Materials US, Inc., E.i. Dupont De Nemours and Company. Active years: 2009-2026.

USPTO Granted Patents = 137 (Patent Applications = 56)

% Patents Active = 94.2

CIPO Patents = 6 (Patent Applications = 19)

EPO Patents = 64 (Patent Applications = 109)

Average Co-Inventor Count = 3.2

ph-index = 14

Forward Citations = 560(Granted Patents)

Forward Citations (Not Self Cited) = 422(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Morristown, NJ (US) (2015)
Williamsville, NY (US) (2009 - 2019)
Morris Plains, NJ (US) (2023)
Amherst, NY (US) (2010 - 2024)

Company Filing History:

131 out of 16,026

Honeywell International Inc.

patents

4 out of 14

Solstice Advanced Materials US, Inc.

patents

1 out of 16,339

E.i. Dupont De Nemours and Company

patents

4. 1 out of 334

The Chemours Company Fc, LLC

patents

Years Active: 2009-2026

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Areas of Expertise:

Trifluoroiodomethane

HFO-1234YF

Dehydrohalogenation

Trifluoroacetyl Iodide

Catalysts

Fluorinated Olefins

Integrated Processes

Azeotrope Compositions

Sulfur Dioxide Removal

Hydrogen Iodide Production

Chlorotrifluoroethylene

Metal Trifluoroacetates

137 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12680006 - Azeotrope or azeotrope-like compositions of 3,3,3-trifluoropropyne (TFPY) and hydrogen fluoride (HF) (2026-07-14),

2. 12679800 - Methods for removal of sulfur dioxide (SO) from trifluoroacetyl chloride (TFAC) (2026-07-14),

3. RE50875 - Processes for producing high-purity trifluoroiodomethane (2026-04-28),

4. 12497294 - Methods for removing water from iodine (I2) (2025-12-16),

5. 12304880 - Method for dehydrochlorination of HCFC-244BB to manufacture HFO-1234YF (2025-05-20),

6. 12281053 - Processes for producing trifluoroiodomethane and trifluoroacetyl iodide (2025-04-21),

7. 12258357 - Trifluoroacetyl iodide compositions useful for making trifluoroiodomethane (2025-03-25),

8. 12122733 - Integrated process for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from a mixture of high-boiling fluorinated components (2024-10-22),

9. 12116332 - High purity HFO-E-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and methods for producing same (2024-10-15),

10. 12084412 - Synthesis of trifluoroacetyl iodide (TFAI) from trifluoroacetyl chloride (TFAC) and hydrogen iodide (HI) in a liquid phase reaction (2024-09-10),

11. 11987553 - Methods for removal of sulfur dioxide (SO) from trifluoroacetyl chloride (TFAC) (2024-05-21),

12. 11912641 - Methods for removal HI/I/HIfrom trifluoroacetyl iodide (TFAI) feedstock and pyrolysis reactor effluent (2024-02-27),

13. 11884607 - Processes for producing trifluoroiodomethane and trifluoroacetyl iodide (2024-01-30),

14. 11795125 - Integrated process for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from a mixture of high-boiling fluorinated components (2023-10-24),

15. 11584702 - Process for producing trifluoroiodomethane (CF3I) from trifluoroacetic anhydride (TFAA) (2023-02-21),

Title: Innovative Patents by Inventor Haiyou Wang

Introduction:

Haiyou Wang, an accomplished inventor based in Amherst, NY, has made significant contributions to the field of chemical engineering and manufacturing processes. With an impressive portfolio of 123 patents and an affiliation with renowned companies such as Honeywell International Inc and The Chemours Company, Wang is a driving force behind several groundbreaking innovations. This article highlights two of his recent patents and provides an overview of his work and collaborations.

1. Patent: Process for producing trifluoroiodomethane (CF3I) from trifluoroacetic anhydride (TFAA)

Wang's patent addresses a novel method for producing trifluoroiodomethane (CF3I) through the reaction of iodine (I) and trifluoroacetic anhydride (TFAA) under specific photochemical conditions utilizing ultraviolet (UV) light. This innovative approach offers potential advancements in the synthesis of CF3I, an essential compound in various industrial applications.

2. Patent: Method for dehydrochlorination of HCFC-244bb to manufacture HFO-1234yf

Another notable invention by Wang involves a process for producing 2,3,3,3-tetrafluoropropene (HFO-1234yf) by dehydrochlorinating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) using a high-temperature reactor. The method involves exposing the composition of HCFC-244bb to a heated surface for a very short contact time, resulting in the production of HFO-1234yf. This patent showcases a more efficient and sustainable approach to manufacturing this important refrigerant.

Collaborations and Companies:

Throughout his career, Wang has collaborated with notable industry professionals, including Hsueh Sung Tung and Daniel C Merkel. These collaborations have been instrumental in his innovative research and development endeavors. Additionally, Wang's expertise has been recognized and utilized by respected organizations such as Honeywell International Inc, a global leader in technology and manufacturing, and The Chemours Company FC, LLC, a chemical solutions provider.

Conclusion:

Haiyou Wang's exceptional achievements as an inventor in the field of chemical engineering have propelled him to the forefront of innovations in manufacturing processes. With a remarkable 123 patents under his belt, including processes for synthesizing CF3I and manufacturing HFO-1234yf, Wang continues to contribute significantly to the industry. His collaborations and affiliations with renowned companies display his commitment to pushing the boundaries of chemical engineering and developing sustainable solutions for a better future.