【Patent War】The molecular sieve patents of Zhongke Catalysis New Technology (Dalian) are facing requests to invalidate them from competitors

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This post was last edited by yx883 on 2021-3-24 at 20:50. Chia Tai Energy Materials (Dalian) Co., Ltd. has filed a request to declare the invention patents held by Zhongke Catalysis New Technology (Dalian) Co., Ltd. invalid. The patents in question are: “A method for synthesizing small-grained SAPO-34 molecular sieves” and “Metallic phosphorus silicoaluminate molecular sieves with an RHO framework structure and their preparation methods”. An oral hearing will be held today at the Patent Office’s Department for Reexamination and Invalidation Proceedings. Announcement of the oral hearing: Patent number: 201110175349.5; Patent title: A method for synthesizing small-grained SAPO-34 molecular sieves; Patent holder: Zhongke Catalysis New Technology (Dalian) Co., Ltd.; Applicant: Chia Tai Energy Materials (Dalian) Co., Ltd.; Head of the panel: Fu Jiguang; Chief examiner: Zhou Wenjuan; Associate examiners: Wang Yuan; Location: Fourth Hearing Room; Time: 14:00–18:00 on 2021-01-22. Patent number: 201210219915.2; Patent title: Metallic phosphorus silicoaluminate molecular sieves with an RHO framework structure and their preparation methods; Patent holder: Zhongke Catalysis New Technology (Dalian) Co., Ltd.; Applicant: Chia Tai Energy Materials (Dalian) Co., Ltd.; Head of the panel: Zhou Wenjuan; Chief examiner: Fu Jiguang; Associate examiner: Guo Qian; Location: Seventh Hearing Room; Time: 14:00–18:00 on 2021-03-25