Assignee
CHEMETICS INT
CA18 patents
Top patents by PatentIndex Score
US5587083ADec 24, 1996
Nanofiltration of concentrated aqueous salt solutions
CHEMETICS INT85 citations96
US5246551ASep 21, 1993
Electrochemical methods for production of alkali metal hydroxides without the co-production of chlorine
CHEMETICS INT196 citations96
US5858240AJan 12, 1999
Nanofiltration of concentrated aqueous salt solutions
CHEMETICS INT109 citations95
US5358609AOct 25, 1994
Electrolytic production of hydrogen peroxide using bipolar membranes
CHEMETICS INT46 citations89
US5618437AApr 8, 1997
Process for removing sulphate from aqueous solution
CHEMETICS INT19 citations86
US5112216AMay 12, 1992
Pulp mill gas combustion process
CHEMETICS INT22 citations80
US5324499AJun 28, 1994
Fluoride removal from sulphuric acid
CHEMETICS INT20 citations72
US5028396AJul 2, 1991
Apparatus formed of high silicon chromium/nickel in steel in the manufacture of sulpheric acid
CHEMETICS INT16 citations72
US4335076AJun 15, 1982
Converter for converting sulfur dioxide to sulfur trioxide
CHEMETICS INT15 citations72
US4245668AJan 20, 1981
Pressure regulator
CHEMETICS INT24 citations69
US5681447AOct 28, 1997
Removal of trace metal and metalloid species from brine
CHEMETICS INT16 citations65
US5082645AJan 21, 1992
Waste acid recovery process
CHEMETICS INT9 citations65
US5093089AMar 3, 1992
Process for the separation of sulphate
CHEMETICS INT10 citations62
US5017276AMay 21, 1991
Metal electrodes for electrochemical processes
CHEMETICS INT4 citations56
US4284469AAug 18, 1981
Method and apparatus for concentrating a liquid
CHEMETICS INT3 citations53
US4046665ASep 6, 1977
Electrode assembly for diaphragm cells
CHEMETICS INT4 citations45
US4374115AFeb 15, 1983
Making calcium hypochlorite from impure lime
CHEMETICS INT0 citations39
US5700350ADec 23, 1997
Processes of retaining chelant-containing effluent within pulp bleach plants
CHEMETICS INT1 citations33