Company Filing History:

8 out of 53

Cj Corporation

patents

3 out of 892

Cj Cheiljedang Corporation

patents

2 out of 15

Cheil Foods & Chemicals, Inc.

Years Active: 1996-2013

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8436188 - Method for the separation of S-(−)-amlodipine from racemic amlodipine (2013-05-07),

2. 8362263 - Crystalline S-(−)-amlodipine adipic acid salt anhydrous and preparation method thereof (2013-01-29),

3. 7432398 - Inorganic acid salts of sibutramine (2008-10-07),

4. 7429679 - Sulphonic acid salt of sibutramine (2008-09-30),

5. 7393977 - Dicarboxylic acid salt of sibutramine (2008-07-01),

6. 7329780 - Method of preparing optically pure phenethylamine derivatives (2008-02-12),

7. 7015238 - Crystalline organic acid salt of amlodipine (2006-03-21),

8. 6903124 - Organic acid salt of amlodipine (2005-06-07),

9. 6890944 - Organic acid salt of amlodipine (2005-05-10),

10. 6846931 - Organic acid salt of amlodipine (2005-01-25),

11. 6756390 - Organic acid salt of amlodipine (2004-06-29),

12. 6610715 - Cathecol hydrazone derivatives, process for preparing the same and pharmaceutical composition containing the same (2003-08-26),

13. 5688965 - Azabicyclic compounds useful as an intermediate for the preparation of (1997-11-18),

14. 5527910 - Pyridone carboxylic acid compounds and their uses for treating (1996-06-18),

Title: The Innovations of Yong Sik Youn

Introduction

Yong Sik Youn is a prominent inventor based in Yongin-si, South Korea. He has made significant contributions to the field of pharmaceuticals, holding a total of 14 patents. His work focuses on the development of methods and compounds that enhance the efficacy and safety of medications.

Latest Patents

One of his latest patents is a method for the separation of S-(-)-amlodipine from racemic amlodipine. This innovative method utilizes inexpensive L-tartaric acid as an optical resolution agent and DMAC as a solvent. The separation method allows for high yield and satisfactory enantiomeric excess, making it economically favorable for mass production. Another notable patent is for crystalline S-(-)-amlodipine adipic acid salt anhydrous, which exhibits excellent physical and chemical properties. This compound is non-hygroscopic, has good solubility, thermal stability, and photostability, and is superior in formulation processability and long-term storage safety.

Career Highlights

Yong Sik Youn has worked with notable companies such as CJ Corporation and CJ Cheiljedang Corporation. His experience in these organizations has contributed to his expertise in pharmaceutical innovations.

Collaborations

He has collaborated with several professionals in his field, including Dong Kwon Lim and Seong Hwan Cho. These collaborations have further enhanced his research and development efforts.

Conclusion

Yong Sik Youn's contributions to the pharmaceutical industry through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to impact the field positively, paving the way for advancements in medication development.

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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.