Inventor

QIN FENGMING

CN3 patents

⚠️ This page may combine multiple inventors who share the name “QIN FENGMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROCHEMICAL CORP

1 patent

US6080698AJun 27, 2000

Pentasil-type molecular sieve containing composition and its preparation method

CHINA PETROCHEMICAL CORP87 citations96

CHINA PETROLEUM & CHEMICAL

1 patent

US6596156B1Jul 22, 2003

SAPO-11 molecular sieve, its synthetic method and a catalyst containing the molecular sieve

CHINA PETROLEUM & CHEMICAL22 citations88

GUILIN CHAMPION UNION DIAMOND CO LTD

1 patent

US12220789B2Feb 11, 2025

High-rotational speed cup-shaped grinding wheel

GUILIN CHAMPION UNION DIAMOND CO LTD0 citations41