Hee-Chul Chang

Title: Hee-Chul Chang: Innovator in Pharmaceutical Delivery Systems

Introduction

Hee-Chul Chang is a notable inventor based in Seoul, South Korea. He has made significant contributions to the field of pharmaceutical technology, particularly in drug delivery systems. With a total of 3 patents to his name, Chang's work focuses on enhancing the efficacy and safety of medications.

Latest Patents

Chang's latest patents include a transdermal delivery system comprising donepezil or its salt. This innovative system consists of a backing layer, a drug-containing matrix layer, and a release layer. The drug-containing matrix layer includes donepezil or a pharmaceutically acceptable salt as an active ingredient, along with a mixture of high and low molecular weight polyisobutylene as an adhesive, and a permeation enhancer. Another significant patent is a pharmaceutical composition for protecting wounds, providing hemostasis, or preventing adhesion in the gastrointestinal tract. This composition is in powder form and includes a mucoadhesive polymer and a hygroscopic agent.

Career Highlights

Hee-Chul Chang has worked with prominent companies in the pharmaceutical industry, including Daewoong Pharmaceutical Co., Ltd. and Daewoong Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in drug delivery systems.

Collaborations

Chang has collaborated with notable colleagues such as Yo-Han Choi and In-Ae Kim. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Hee-Chul Chang is a distinguished inventor whose work in pharmaceutical delivery systems has the potential to improve patient outcomes significantly. His innovative patents reflect his commitment to advancing medical technology and enhancing drug efficacy.