Daejeon, South Korea

Long Guo Quan

This inventor holds 1 USPTO granted patent. Top assignees: Ahn-Gook Pharmaceutical Co., Ltd., Rstech Corporation. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Long Guo Quan. Retrieved from https://idiyas.com/inventor/long-guo-quan

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


Average Co-Inventor Count = 7.0

ph-index = 1


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Long Guo Quan: Innovator in Chiral Carvedilol Preparation

Introduction

Long Guo Quan is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of pharmaceuticals, particularly in the preparation of highly optical pure carvedilol. His innovative approach has led to advancements in the efficiency and purity of this important compound.

Latest Patents

Long Guo Quan holds a patent for a process titled "Process for the preparation of highly optical pure carvedilol." This invention relates to an efficient method for producing chiral carvedilol using a chiral oxazolidin-2-one or oxazolidin-2-thione as a key intermediate. The process involves a series of reactions that activate a hydroxyl group and facilitate nucleophilic substitution, ultimately yielding highly optical pure chiral carvedilol without the need for extraordinary purification procedures.

Career Highlights

Throughout his career, Long Guo Quan has worked with reputable companies in the pharmaceutical industry. Notable among these are Ahn-Gook Pharmaceutical Co., Ltd. and Rstech Corporation. His work in these organizations has contributed to the development of innovative pharmaceutical processes and products.

Collaborations

Long Guo Quan has collaborated with several professionals in his field, including Duk Kwon Won and Hyun Bin Kang. These collaborations have likely enhanced his research and development efforts, leading to successful innovations.

Conclusion

Long Guo Quan's contributions to the preparation of chiral carvedilol exemplify his innovative spirit and dedication to advancing pharmaceutical science. His work not only improves the efficiency of drug production but also ensures the high optical purity of important compounds.

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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