Company Filing History:

8 out of 146

Hanmi Pharm. Co., Ltd.

patents

1 out of 1

Hammi Holdings Co., Ltd

patent

1 out of 63

Hanmi Science Co., Ltd.

patents

Years Active: 2003-2013

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8569490 - Intermediate and process for preparing entecavir using same (2013-10-29),

2. 8097706 - Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein (2012-01-17),

3. 7858761 - 1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivatives and process for the preparation thereof (2010-12-28),

4. 7638642 - Method for the preparation of D-erythro-2,2-difluoro-2-deoxy-1-oxoribose derivative (2009-12-29),

5. 7157576 - Crystalline acid salts of cefdinir and process for preparing cefdinir using same (2007-01-02),

6. 7112672 - Process for the selective preparation of 3-(z) propenyl-cephem compound (2006-09-26),

7. 7084274 - Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound (2006-08-01),

8. 6900245 - Pharmaceutical composition comprising crystalline sibutramine methanesulfonate hemihydrate (2005-05-31),

9. 6639068 - Method of preparing highly pure cefpodoxime proxetil (2003-10-28),

10. 6620930 - Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid (2003-09-16),

Title: Gha-Seung Park: Innovator in Pharmaceutical Chemistry

Introduction

Gha-Seung Park is a prominent inventor based in Yongin-si, South Korea. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 10 patents. His work primarily focuses on developing novel methods for synthesizing antiviral agents and other pharmaceutical compounds.

Latest Patents

Among his latest patents is a method for preparing entecavir, an antiviral agent. This invention presents a novel, high-yield, and low-cost method for synthesizing entecavir, along with the intermediates used in the process. Another notable patent involves methods for preparing capecitabine and a beta-anomer-rich trialkyl carbonate compound. This method allows for the efficient preparation of highly pure capecitabine with a high yield, utilizing the beta-anomer-rich trialkyl carbonate compound as an intermediate.

Career Highlights

Gha-Seung Park has worked with notable companies in the pharmaceutical industry, including Hanmi Pharmaceutical Co., Ltd. and Hammi Holdings Co., Ltd. His experience in these organizations has contributed to his expertise in drug development and innovation.

Collaborations

Throughout his career, Gha-Seung Park has collaborated with esteemed colleagues such as Young-Kil Chang and Gwan-Sun Lee. These partnerships have fostered a collaborative environment that enhances the innovation process in pharmaceutical research.

Conclusion

Gha-Seung Park is a distinguished inventor whose work in pharmaceutical chemistry has led to significant advancements in drug synthesis. His innovative methods and collaborations continue to impact the field positively.

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1 patent (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.