Prosecution Insights
Last updated: April 19, 2026

Wanhua Chemical Group Co., Ltd.

4 pending office actions

Portfolio Summary

4
Total Pending OAs
2
Final Rejections
2
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18687387 PREPARATION METHOD FOR VENEER MANUFACTURED BOARD PATWARDHAN, ABHISHEK A 1746 Non-Final OA Feb 28, 2024
17997071 PRODUCTION METHOD FOR PREPARING POLYLACTIC ACID BY MEANS OF RING-OPENING POLYMERIZATION METHOD, AND PREPOLYMER MIXTURE AND POLYLACTIC ACID BUTTNER, DAVID J 1765 Non-Final OA Oct 25, 2022
17784879 ABS RUBBER POWDER WITH LOW IMPURITY CONTENT, PREPARATION METHOD THEREFOR, AND ABS RESIN BLAND, ALICIA 1759 Final Rejection Jun 13, 2022
17636736 ALIPHATIC POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR, AND COATING COMPOSITION LIU, ZHEN 1767 Final Rejection Feb 18, 2022

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