Inventor

WANG DUBIN

CN4 patents

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

AVANTGARDE SHANGHAI ENVIRONMENTAL TECH CO LTD

3 patents

US11926709B2Mar 12, 2024

Method for recycling waste polyester

AVANTGARDE SHANGHAI ENVIRONMENTAL TECH CO LTD0 citations43

US11655351B2May 23, 2023

Method for recycling waste polyester with continuous alcoholysis and transesterification

AVANTGARDE SHANGHAI ENVIRONMENTAL TECH CO LTD0 citations43

US11572452B2Feb 7, 2023

Method for recycling continuous alcoholysis of waste polyester material

AVANTGARDE SHANGHAI ENVIRONMENTAL TECH CO LTD0 citations43

POLYTEX CHEMICAL ENG CO LTD

1 patent

US11525030B2Dec 13, 2022

Method for preparing biogenic guanidine complex, method for preparing polyethylene terephthalate (PET), and method for preparing poly (ethylene isophthalate-co-terephthalate) (PEIT)

POLYTEX CHEMICAL ENG CO LTD0 citations40