Patents by Inventor Yongyan LI

Yongyan LI 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).

  • Alkali-free ultrafine glass fiber formula
    Patent number: 11760687
    Abstract: An alkali-free ultrafine glass fiber formula includes the following components, in mass percentage calculated based on 100 Kg: SiO2: 50% to 65%, Al2O3: 10% to 16.5%, CaO: 17% to 28%, MgO: 0.2% to 4.0%, Na2O and K2O: 0.1% to 0.8% in total, CeO2: 0.1% to 0.5%, Li2O: 0.1% to 0.7%, Fe2O3: 0.05% to 0.6%, TiO2: 0.1% to 1%, and impurities: the balance. In the preparation of alkali-free ultrafine glass fibers, no fluorine and boron-containing raw materials are used, and CeO2 and Li2O are introduced, which avoids the use of B2O3 and F that have a large impact on the environment, and reduces environmental pollution. A single fiber strength of prepared glass fibers is about 9% higher than that of the traditional E glass fibers, and the comprehensive performance of a prepared glass fiber product is significantly superior than that of the existing E glass fiber product.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: September 19, 2023
    Assignee: TAISHAN FIBERGLASS ZOUCHENG CO., LTD.
    Inventors: Yundong Sun, Wei Li, Degang Zhang, Guo Zhang, Qiang Fang, Yongyan Li, Cong Ding, Guodong Liu, Caihua Liu
  • ALKALI-FREE ULTRAFINE GLASS FIBER FORMULA
    Publication number: 20220169562
    Abstract: An alkali-free ultrafine glass fiber formula includes the following components, in mass percentage calculated based on 100 Kg: SiO2: 50% to 65%, Al2O3: 10% to 16.5%, CaO: 17% to 28%, MgO: 0.2% to 4.0%, Na2O and K2O: 0.1% to 0.8% in total, CeO2: 0.1% to 0.5%, Li2O: 0.1% to 0.7%, Fe2O3: 0.05% to 0.6%, TiO2: 0.1% to 1%, and impurities: the balance. In the preparation of alkali-free ultrafine glass fibers, no fluorine and boron-containing raw materials are used, and CeO2 and Li2O are introduced, which avoids the use of B2O3 and F that have a large impact on the environment, and reduces environmental pollution. A single fiber strength of prepared glass fibers is about 9% higher than that of the traditional E glass fibers, and the comprehensive performance of a prepared glass fiber product is significantly superior than that of the existing E glass fiber product.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 2, 2022
    Applicant: TAISHAN FIBERGLASS ZOUCHENG CO., LTD.
    Inventors: Yundong SUN, Wei LI, Degang ZHANG, Guo ZHANG, Qiang FANG, Yongyan LI, Cong DING, Guodong LIU, Caihua LIU
  • High-modulus glass fiber composition based on basalt
    Patent number: 11254604
    Abstract: A high-modulus glass fiber composition based on basalt includes components with contents in mass percentage satisfying SiO2: 53.0%-60.0%; Al2O3: 24.5%-28.0 %; MgO: 8%-15.0%; Fe2O3: 1.5%-5.5%; TiO2: 2.0%-4.0%; 0<CaO?5.0%; and 0<Na2O+K2O?2.0%.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: February 22, 2022
    Assignee: TAISHAN FIBERGLASS INC.
    Inventors: Zhiyao Tang, Yuewu Hu, Yongyan Li
  • HIGH-MODULUS GLASS FIBER COMPOSITION BASED ON BASALT
    Publication number: 20210276916
    Abstract: A high-modulus glass fiber composition based on basalt includes components with contents in mass percentage satisfying SiO2: 53.0%-60.0%; Al2O3: 24.5%-28.0%; Al2O3: 8.0%-15.0%; Fe2O3:1.5%-5.5%; TiO2: 2.0%-4.0%; 0<CaO?5.0%; and 0<Na2O+K2O?2.0%.
    Type: Application
    Filed: June 6, 2019
    Publication date: September 9, 2021
    Inventors: Zhiyao TANG, Yuewu HU, Yongyan LI