3 patents
Utility
Aqueous composition for preparing hard capsule, preparation method therefor, hard capsule, and method for recycling hard capsule scraps
26 Apr 22
Disclosed are an aqueous composition for preparing a hard capsule, a preparation method therefor, a hard capsule, and a method for recycling hard capsule scraps.
Jin Ryul Son, Sang Youb Lee, Jyung Hee Jeon, Sung Hwan Bang, Ju Hee Shin
Filed: 4 Jul 13
Utility
Hard capsule having improved thickness uniformity
5 Oct 20
Provided is a hard capsule.
Jin Ryul Son, Kil Seuk Byun
Filed: 15 Jul 13
Utility
Co-precipitation reactor and method of manufacturing material precursor for secondary battery using the same
16 Mar 20
A co-precipitation reactor for manufacturing a positive electrode active material precursor for a secondary battery, the co-precipitation reactor including a reaction chamber having a plurality of suppliers configured to direct a reaction material and a pH adjusting material into the reaction chamber, a stirrer configured to be disposed in the reaction chamber, a drive motor configured to rotate the stirrer, a stirring shaft configured to receive power from the drive motor and rotate the stirrer, a first heater configured to heat an outside of the reaction chamber to heat the reaction material and the pH adjusting material, and a second heater configured to heat an inside of the reaction chamber to heat the reaction material and the pH adjusting material.
Youhwan Son, Kwangjin Park, Jinseok Hong
Filed: 2 Aug 15
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