US 12,389,904 B2
Method for preparing natural antibacterial agent by immobilizing plant essential oil in attapulgite pore channels
Aiping Hui, Gansu (CN); Aiqin Wang, Gansu (CN); Yuru Kang, Gansu (CN); Fangfang Yang, Gansu (CN); and Bin Mu, Gansu (CN)
Assigned to LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, Gansu (CN)
Appl. No. 17/780,823
Filed by Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Gansu (CN)
PCT Filed Feb. 9, 2021, PCT No. PCT/CN2021/076364
§ 371(c)(1), (2) Date Oct. 5, 2022,
PCT Pub. No. WO2021/160135, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 202010084670.1 (CN), filed on Feb. 10, 2020.
Prior Publication US 2023/0217920 A1, Jul. 13, 2023
Int. Cl. A01N 25/26 (2006.01); A01N 25/08 (2006.01); A01N 25/12 (2006.01); A01N 31/08 (2006.01); A01N 33/12 (2006.01); A01N 37/12 (2006.01); A01N 43/16 (2006.01); A01N 65/00 (2009.01); A01N 65/22 (2009.01); A01N 65/24 (2009.01); A01N 65/28 (2009.01)
CPC A01N 25/26 (2013.01) [A01N 25/08 (2013.01); A01N 25/12 (2013.01); A01N 31/08 (2013.01); A01N 33/12 (2013.01); A01N 37/12 (2013.01); A01N 43/16 (2013.01); A01N 65/00 (2013.01); A01N 65/22 (2013.01); A01N 65/24 (2013.01); A01N 65/28 (2013.01)] 8 Claims
 
1. A method for preparing a natural antibacterial agent by immobilizing a plant essential oil in attapulgite pore channels, comprising:
spraying the plant essential oil on a surface of attapulgite powder under stirring, mechanically grinding, then spraying liquid glyceryl monolaurate and a quaternary ammonium salt aqueous solution in turn, followed by stirring to provide a sprayed and stirred mixture, and extruding the sprayed and stirred mixture with an extruder, drying, crushing and packaging.