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For the Inventor, By the Inventor

Changzhou, China

Hongjun Yang

This inventor holds 8 USPTO granted patents and 2 published patent applications. Top assignee: Changzhou University. Active years: 2015-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hongjun Yang. Retrieved from https://idiyas.com/inventor/hongjun-yang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 5.9

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Changzhou, CN (2015 - 2023)
  • Zhangzhou, CN (2023)
  • Jiangsu, CN (2020 - 2024)

Company Filing History:

goldMedal8 out of 65 
 
Changzhou University
 patents

Years Active: 2015-2024

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8 patents (USPTO):Explore Patents
1. 12104140 - Itaconic acid-based multifunctional surfactant and preparation method therefor (2024-10-01),
2. 11866539 - Process for preparing an ultra-high molecular weight polymer via emulsion polymerization at room temperature (2024-01-09),
3. 11814451 - Methods for preparing branched poly (2-hydroxyethyl methacrylate) at room temperature by inverse emulsion polymerization (2023-11-14),
4. 11674108 - Polymerizable surfactant with reducibility and preparation method therefor (2023-06-13),
5. 11377511 - Reducing agent monomer for preparing styrene-acrylic emulsion by oxidation-reduction reaction at room temperature, and synthesis method thereof (2022-07-05),
6. 11377508 - Temperature-responsive poly(2-hydroxyethyl methacrylate) (PHEMA) and preparation method thereof (2022-07-05),
7. 10611860 - Process for preparing branched polymer via emulsion polymerization at room temperature (2020-04-07),
8. 9181374 - Process for preparing branched polymer (2015-11-10),

Title: Innovations of Hongjun Yang

Introduction

Hongjun Yang is a prominent inventor based in Changzhou, China. He has made significant contributions to the field of polymer chemistry, holding a total of 8 patents. His work focuses on developing environmentally friendly materials and processes that enhance the efficiency of polymer production.

Latest Patents

One of his latest patents is for an itaconic acid-based multifunctional surfactant and its preparation method. This invention relates to a polymerizable surfactant with reducibility, which is synthesized through a reaction between an acid anhydride and a long-chain fatty alcohol. The resulting surfactant serves as a reactive emulsifier, enabling the creation of soap-free emulsions and facilitating redox emulsion polymerization at room temperature. This innovation significantly reduces energy consumption during production and results in environmentally friendly emulsions with excellent properties.

Another notable patent involves a process for preparing ultra-high molecular weight polymers via emulsion polymerization at room temperature. This method utilizes persulfate as an initiator and anionic surfactants as emulsifiers, allowing for the production of polymers with weight average molecular weights exceeding 1,000,000 g/mol. The process is efficient, achieving high monomer conversion rates without the need for additional initiators or controlled reaction conditions.

Career Highlights

Hongjun Yang is affiliated with Changzhou University, where he continues to advance research in polymer science. His innovative approaches have garnered attention in the academic and industrial sectors, contributing to the development of sustainable materials.

Collaborations

He collaborates with notable colleagues, including Bibiao Jiang and Wenyan Huang, to further enhance research outcomes and explore new avenues in polymer technology.

Conclusion

Hongjun Yang's contributions to polymer chemistry through his patents and research at Changzhou University highlight his commitment to innovation and sustainability. His work not only advances scientific knowledge but also promotes environmentally friendly practices in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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