Inventor

WISMER JOHN A

US18 patents

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

WISMER JOHN A

ARKEMA INC

Method for separating organofluorine compounds using membrane

Process for the manufacture of hydrofluoroolefins

Separation of R-1233 from hydrogen fluoride

Process for the manufacture of hydrochlorofluoroolefins

Processes and systems for recovering R1233ZD in purified form

Process for the removal of contaminant from a hydrochlorofluoroolefin by extractive distillation

ATOCHEM NORTH AMERICA ELF

Azeotrope of HF and 1233zd

Process for removing sulfur from organic polysulfides

Process for continuous liquid phase reaction of hydrogen fluoride and 1,1,1-trichloroethane to provide 1,1-dichloro-1-fluoroethane and 1-chloro-1, 1-difluoroethane mixtures

Adiabatic Hydrofluorination of hydrochlorofluorocarbons

ATOFINA CHEM INC

Liquid phase process for HCFC-123

Recovery of HFC-32

ELSHEIKH MAHER Y

Process for the manufacture of hydrochlorofluoroolefins

Process for the manufacture of hydrofluoroolefins

ATOCHEM NORTH AMERICA

Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof

PENNWALT CORP

Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane

ELF ATOCHEM N A INC

HF extraction of R365 from R141B

WISMER JOHN A

Separation of R-1233 from hydrogen fluoride