Inventor
GUO ZIFANG
CN14 patents
⚠️ This page may combine multiple inventors who share the name “GUO ZIFANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA PETROLEUM & CHEM CORP
9 patentsUS11584843B2Feb 21, 2023
Olefin-olefinic alcohol copolymer, and preparation method therefor
CHINA PETROLEUM & CHEM CORP0 citations58
US12528890B2Jan 20, 2026
Sphere-like super-macroporous mesoporous material and polyolefin catalyst containing same
CHINA PETROLEUM & CHEM CORP0 citations55
US11840508B2Dec 12, 2023
Catalyst system for olefin polymerization and use thereof
CHINA PETROLEUM & CHEM CORP0 citations49
US12473387B2Nov 18, 2025
Copolymer of olefin and unsaturated carboxylic acid or unsaturated carboxylic acid derivative
CHINA PETROLEUM & CHEM CORP0 citations48
US12428505B2Sep 30, 2025
Method for preparing olefin-polar monomer copolymer
CHINA PETROLEUM & CHEM CORP0 citations48
US12404292B2Sep 2, 2025
Amino-imine metal complex and preparation method therefor and application thereof
CHINA PETROLEUM & CHEM CORP0 citations48
US12454586B2Oct 28, 2025
Diimine metal complex, preparation method therefor, and application thereof
CHINA PETROLEUM & CHEM CORP0 citations47
US12351671B2Jul 8, 2025
Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof
CHINA PETROLEUM & CHEM CORP0 citations46
US11401356B2Aug 2, 2022
Olefin polymerization catalyst comprising cyclotriveratrylene and derivatives thereof
CHINA PETROLEUM & CHEM CORP0 citations46