This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical Corporation. Active years: 2025-2026.
Company Filing History:
3 out of 114 
3 out of 73 Years Active: 2025-2026
Title: Yueming Ren - Innovator in Polypropylene Composite Materials
Introduction
Yueming Ren is an accomplished inventor based in Beijing, China. He has made significant contributions to the field of materials science, particularly in the development of polypropylene composite materials. Although he currently holds no granted patents, his innovative work is reflected in his latest patent applications.
Latest Patent Applications
Yueming Ren's latest patent applications include two notable innovations. The first is titled "Polypropylene Composite Material Having Melting Point Gradient Structure, Preparation Method Therefor and System and Use Thereof." This application describes a composite material that consists of multiple polypropylene sheet layer unit groups that are sequentially stacked. Each unit group comprises polypropylene sheet layer units with a specific structure, resulting in enhanced tensile properties and impact resistance. The second application is for a "Propylene Polymer-Based Composite Film, Preparation Method Therefor, and Application Thereof." This composite film features at least two different layers, each containing propylene polymers, and is designed for use in packaging materials, including battery and food packaging.
Conclusion
Yueming Ren's work in polypropylene composite materials showcases his innovative spirit and dedication to advancing material science. His latest patent applications highlight the potential for practical applications in various industries.