Inventor
DU HONGJUN
CN15 patents
⚠️ This page may combine multiple inventors who share the name “DU HONGJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIAN YONGJING TECH CO LTD
13 patentsUS11795138B2Oct 24, 2023
Process of fluorinating inorganic compounds by direct fluorination
FUJIAN YONGJING TECH CO LTD0 citations60
US11465958B2Oct 11, 2022
Process for Friedel-Crafts reaction, and catalyst therefore
FUJIAN YONGJING TECH CO LTD1 citations60
US11447446B2Sep 20, 2022
Process of fluorinating inorganic or organic compounds by direct fluorination
FUJIAN YONGJING TECH CO LTD0 citations60
US11155515B2Oct 26, 2021
Process for the manufacture of trifluoroethylamine
FUJIAN YONGJING TECH CO LTD0 citations60
US11148994B2Oct 19, 2021
Process for manufacture of 1,1,1-trifluoro-2-chloroethane
FUJIAN YONGJING TECH CO LTD0 citations60
US11046637B2Jun 29, 2021
Process for the manufacture of 1,1,1-trifluoro-2-chloroethaneand/or trifluoroethylamine
FUJIAN YONGJING TECH CO LTD0 citations60
US11008273B2May 18, 2021
Process for the manufacture of fluorinated benzenes and fluorinated benzophenones, and derivatives thereof
FUJIAN YONGJING TECH CO LTD1 citations60
US10633310B2Apr 28, 2020
Process for the manufacture of 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123) and/or HCFC-122 (1,1,2-Trichloro-2,2-difluoroethane)
FUJIAN YONGJING TECH CO LTD1 citations60
US11420917B2Aug 23, 2022
Process for the manufacture of fluoroaryl compounds and derivatives
FUJIAN YONGJING TECH CO LTD0 citations50
US11299463B2Apr 12, 2022
Process for the manufacture of pyrazoles or pyrimidones
FUJIAN YONGJING TECH CO LTD0 citations50
US11299445B2Apr 12, 2022
Process for preparing fluorobenzene derivatives and benzoic acid hypofluorite derivatives
FUJIAN YONGJING TECH CO LTD0 citations49
US11261147B2Mar 1, 2022
Process for preparing fluorobenzene and benzoic acid hypofluorite
FUJIAN YONGJING TECH CO LTD0 citations49
US11261144B2Mar 1, 2022
Process for preparing fluorobenzene by direct fluorination
FUJIAN YONGJING TECH CO LTD0 citations49