본문 Patent & Certificates 특허 및 인증서 사진 [Jan. 2, 2017] Registration of ‘R-S’ nicotine as a new chemical substance [Apr. 5, 2017] Completion of an Acute Oral Toxicity Test [Aug. 10, 2017] Completion of an Acute Dermal Toxicity Test [Nov. 9, 2018] Completion of an Acute Inhalation Toxicity Test [PATENTS] Announced Full Text on the Manufacturing Method of ‘R-S’ Nicotine, an Abstract on Background Art [January 2017] Completion of the Registration of the Patent in the USA (Patent No: US2016/0115150 A1) [April 2018] Completion of the Registration of The patent in the Republic of Korea (Patent No: 10-1855611) Execution of an Exclusive License with “NGL”