Chang-Sun Han

This inventor holds 22 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 8 EPO patents, primarily in Super Absorbent Polymers. Top assignee: Lg Chem, Ltd. Active years: 2004-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang-Sun Han. Retrieved from https://idiyas.com/inventor/chang-sun-han-7su5arkk

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

Calculating rank

USPTO Granted Patents = 22 (Patent Applications = 1)

% Patents Active = 95.5

CIPO Patents = 1

EPO Patents = 8 (Patent Applications = 9)

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 79(Granted Patents)

Location History:

Yeosoo, KR (2005 - 2006)
Daejeon, KR (2004 - 2018)

Company Filing History:

22 out of 8,642

Lg Chem, Ltd

patents

Years Active: 2004-2018

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Areas of Expertise:

Super Absorbent Polymer

Preparation Method

Coated Paper

Latex Composition

Polymerization Reactor

Styrene-Butadiene Latex

Multi-Layered Coating

Acrylic Modifier

Artificial Pigment

Ink-Jet Paper

Odorless Coating

Impact-Reinforcement

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10086361 - Super absorbent polymer and a preparation method thereof (2018-10-02),

2. 9656296 - Preparation method of a super absorbent polymer (2017-05-23),

3. 9517446 - Super absorbent polymer and a preparation method thereof (2016-12-13),

4. 9433972 - Coated paper having a coating structure with controlled distribution of latex and method for preparing the same (2016-09-06),

5. 9120100 - Shredder for super absorbent polymer and preparation method of super absorbent polymer using the same (2015-09-01),

6. 9114381 - Super absorbent polymer (2015-08-25),

7. 9040118 - Method of manufacture of styrene-butadiene latexes (2015-05-26),

8. 9029480 - Preparation method of superabsorbent polymer (2015-05-12),

9. 9028971 - Odorless paper coating latex and paper coating composition containing the same (2015-05-12),

10. 8993106 - Coated paper having a coating structure with controlled distribution of latex and method for preparing the same (2015-03-31),

11. 8919683 - Shredder for super adsorbent polymer and preparation method of super absorbent polymer using the same (2014-12-30),

12. 8829066 - Polymerization reactor for producing super absorbent polymers and method of producing super absorbent polymers using the polymerization reactor (2014-09-09),

13. 8697812 - Preparation method of superabsorbent polymer (2014-04-15),

14. 8674000 - Multi-layered paper coating latex having high swelling and contraction property, method for preparing the same, and paper coating composition containing the same (2014-03-18),

15. 8053045 - Styrene-butadiene latex binder for ink-jet paper, preparation method thereof and coating liquid containing the same (2011-11-08),

Title: Innovations by Chang-Sun Han in Super Absorbent Polymers

Introduction: Chang-Sun Han is a prominent inventor based in Daejeon, South Korea. With an impressive portfolio of 22 patents, he has significantly contributed to the field of super absorbent polymers (SAP). His innovative techniques and methods have advanced the preparation and functionality of these materials, making substantial impacts in various applications.

Latest Patents: Among his latest patents, Chang-Sun Han has developed a super absorbent polymer and a preparation method thereof. This invention focuses on a SAP that meets the comprehensive properties required for effective performance, particularly showcasing superior initial absorbency and absorption rates under load. The preparation method involves treating the polymer's surface with a solution containing water and a diol-based or glycol-based crosslinking agent.

Another of his notable patents is a method for preparing a super absorbent polymer. This technique involves spraying a monomer composition onto a hydrophobic substrate, followed by UV polymerization in a reactor with a slightly hydrophilic surface. This innovative approach enhances the conversion rate of polymerization, simplifies the recycling process, and produces high-caliber SAP with improved uniformity in particle diameter distribution.

Career Highlights: Chang-Sun Han works with LG Chem Ltd., a leading chemical company known for its technological advancements in materials. His role at the company allows him to explore and innovate within the realm of polymer sciences.

Collaborations: In his pursuit of innovation, Chang-Sun Han collaborates with fellow inventors such as Tae-Young Won and Gi-Cheul Kim. These partnerships foster a creative environment that promotes cutting-edge research and development in the field of super absorbent materials.

Conclusion: Chang-Sun Han embodies the spirit of innovation in his work on super absorbent polymers. His patented methods contribute significantly to the materials science domain, showcasing his dedication to advancing technology for practical applications. As innovations continue to evolve, Chang-Sun Han remains a vital figure in the progress of polymer research.

Profile summary based on public USPTO records.