Company Filing History:

2 out of 23

Chong Kun Dang Corporation

patents

1 out of 11

Dong-a Pharmaceutical Co., Ltd

patents

Years Active: 1994-2001

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6265413 - Camptothecin compounds and a method of preparation thereof (2001-07-24),

2. 6177568 - Intermediates for the synthesis of camptothecin derivatives (2001-01-23),

3. 5374746 - L-talopyranoside derivatives and process for the preparation of same (1994-12-20),

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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.

For the Inventor, By the Inventor

Kwang Dae Ok

Company Filing History:

Years Active: 1994-2001