Inventor

SUN YANZHI

CN5 patents

⚠️ This page may combine multiple inventors who share the name “SUN YANZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV BEIJING CHEM TECH

3 patents

US12392013B2Aug 19, 2025

Method and apparatus for sodium slag recovery

UNIV BEIJING CHEM TECH2 citations69

US12590353B2Mar 31, 2026

Process for the recovery of high purity metallic sodium and the safe treatment of high calcium content sodium slag

UNIV BEIJING CHEM TECH0 citations46

US10135100B2Nov 20, 2018

Method for recovering lead oxide from waste lead paste

UNIV BEIJING CHEM TECH1 citations42

CHILWEE POWER CO LTD

2 patents

US9828653B2Nov 28, 2017

Method for recycling lead oxide-containing waste material

CHILWEE POWER CO LTD1 citations45

US9828654B2Nov 28, 2017

Method for directly recovering lead oxide used for a lead-acid battery cathode from waste lead paste

CHILWEE POWER CO LTD1 citations43