Prosecution Insights
Last updated: April 19, 2026

Wanhua Chemical Group Co., Ltd.

2 pending office actions

Portfolio Summary

2
Total Pending OAs
2
Final Rejections
0
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18253868 POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF LEONARD, MICHAEL L 1763 Final Rejection May 22, 2023
18005387 STORAGE-STABLE POLYISOCYANATE COMPOSITION AND PREPARATION METHOD THEREFOR SERGENT, RABON A 1765 Final Rejection Jan 13, 2023

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