Inventor
QIAO KAI
CN10 patents
⚠️ This page may combine multiple inventors who share the name “QIAO KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA PETROLEUM & CHEM CORP
7 patentsUS12269786B2Apr 8, 2025
Preparation method and production device for propylene
CHINA PETROLEUM & CHEM CORP0 citations57
US11958011B2Apr 16, 2024
Separation device and separation method
CHINA PETROLEUM & CHEM CORP0 citations57
US10792642B2Oct 6, 2020
Catalyst and preparation method thereof, and method for preparing isobutylene by applying the same
CHINA PETROLEUM & CHEM CORP0 citations47
US12060319B2Aug 13, 2024
Preparation process for Cu-based catalyst and use thereof
CHINA PETROLEUM & CHEM CORP0 citations46
US11260374B2Mar 1, 2022
Cu-based catalyst, its preparation process and use thereof
CHINA PETROLEUM & CHEM CORP0 citations46
US9708229B2Jul 18, 2017
Catalyst for preparing isobutene by dissociation of methyl tert-butyl ether, preparation method and use thereof
CHINA PETROLEUM & CHEM CORP0 citations45
US11946003B2Apr 2, 2024
System and method for producing needle coke
CHINA PETROLEUM & CHEM CORP0 citations39