Patents by Inventor Jingyan Yang

Jingyan Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mosquito repellent composition, preparation method and application thereof
    Publication number: 20220211051
    Abstract: The present invention belongs to mosquito repellent technical field, and specifically a mosquito repellent composition, preparation method and application thereof. The mosquito repellent composition comprises following ingredients and mass fractions thereof: composite plant oil 7-10 parts, gromwell root extracts 3-5 parts, vitex rotundifolia extracts 1-3 parts, sustained release agents 1-2 parts, emulsifying agents 2-4 parts, stabilizing agents 0.1-0.3 part, and water 165-182 parts. The mosquito repellent composition provided in the present invention doesn't contain chemical ingredients such as DEET and methothrin etc., and works in combination with natural plant essence oil, which is highly safe, free from irritation, allergic reactions and other side effects, and can be used to repel mosquitoes safely, gently and is suitable for long term use.
    Type: Application
    Filed: August 13, 2021
    Publication date: July 7, 2022
    Inventors: YICHUN LI, JINGYAN YANG
  • Mosquito repellent composition, preparation method and application thereof
    Patent number: 11375721
    Abstract: The present invention belongs to mosquito repellent technical field, and specifically a mosquito repellent composition, preparation method and application thereof. The mosquito repellent composition comprises following ingredients and mass fractions thereof: composite plant oil 7-10 parts, gromwell root extracts 3-5 parts, Vitex rotundifolia extracts 1-3 parts, sustained release agents 1-2 parts, emulsifying agents 2-4 parts, stabilizing agents 0.1-0.3 part, and water 165-182 parts. The mosquito repellent composition provided in the present invention doesn't contain chemical ingredients such as DEET and methothrin etc., and works in combination with natural plant essence oil, which is highly safe, free from irritation, allergic reactions and other side effects, and can be used to repel mosquitoes safely, gently and is suitable for long term use.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: July 5, 2022
    Assignees: LOOBI (GUANGZHOU) HEALTH INDUSTRY CO., LTD, GUANGDONG LOOBI HEALTH TECHNOLOGY CO., LTD.
    Inventors: Yichun Li, Jingyan Yang