This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Samsung Fine Chemicals Co., Ltd., Shenzhen Wote Advanced Materials Co., Ltd.. Active years: 2014-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 62 
1 out of 6 Years Active: 2014-2015
Title: Innovations by Sun Hwa Chang in Liquid Crystal Polyester Resins
Introduction: Sun Hwa Chang is an accomplished inventor based in Daejeon, South Korea. He holds two patents that significantly contribute to the field of aromatic liquid crystal polyester resins. His innovative methods have implications for various applications in materials science.
Latest Patents: Chang's latest patents focus on advancements in the preparation of aromatic liquid crystalline polyester resin. The first patent outlines a method for preparing an aromatic liquid crystal polyester resin, which includes the steps of acetylating a first monomer with an amino group and a second monomer with a hydroxyl group, followed by synthesizing an aromatic liquid crystalline polyester prepolymer. This method emphasizes the importance of condensation polymerization reactions utilizing dicarboxylic acid.
His second patent details a method for preparing a wholly aromatic liquid crystalline polyester amide resin and its corresponding compound. This process involves utilizing monomers with specific functional groups to create innovative resin materials that possess desirable properties for various applications, showcasing his expertise in polymer chemistry.
Career Highlights: Throughout his career, Sun Hwa Chang has worked with esteemed organizations like Shenzhen Wote Advanced Materials Co., Ltd. and Samsung Fine Chemicals Co., Ltd. His contributions to these companies have allowed him to hone his skills in materials development and patent innovation.
Collaborations: Sun Hwa Chang has collaborated with notable individuals in the industry, including Sang Mi Kang and Dae Yeon Kim. These partnerships have played a crucial role in bringing his inventive ideas to fruition and advancing the field of polyester materials.
Conclusion: Sun Hwa Chang's innovative work in the preparation of aromatic liquid crystalline polyester resins marks a significant contribution to materials science. His patents reflect a deep understanding of polymer chemistry and a commitment to pushing the boundaries of what is possible in material applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile