INTERNATIONAL PATENT: CNPC USA CORP., BEIJING HUAMEI, INC., CHINA NATIONAL PETROLEUM CORPORATION FILES APPLICATION FOR "POLYCRYSTALLINE DIAMOND COMPOSITE WITH A TOUGHENING AGENT AND THE METHODS OF MAKING THE SAME"

GENEVA, Aug. 19 -- CNPC USA CORP. (2901 Wilcrest Dr., Suite 600Houston, TX 77042), BEIJING HUAMEI, INC. (No. 23 Taiyanggong South St.Chao Yang DistrictBeijing, 102200), CHINA NATIONAL PETROLEUM CORPORATION (No. 9 Dongzhimen North St., Dongcheng Dist.Beijing, 100007) filed a patent application (PCT/US2024/017078) for "POLYCRYSTALLINE DIAMOND COMPOSITE WITH A TOUGHENING AGENT AND THE METHODS OF MAKING THE SAME" on Feb 23, 2024. With publication no. WO/2025/170597, the details related to the patent application was published on Aug 14, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): CHEN, Jie (2...