Inventor
CAWLFIELD DAVID W
US63 patents
⚠️ This page may combine multiple inventors who share the name “CAWLFIELD DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLIN CORP
49 patentsUS5519605AMay 21, 1996
Model predictive control apparatus and method
OLIN CORP376 citations99
US5106465AApr 21, 1992
Electrochemical process for producing chlorine dioxide solutions from chlorites
OLIN CORP135 citations98
US5084148AJan 28, 1992
Electrochemical process for producing chloric acid - alkali metal chlorate mixtures
OLIN CORP139 citations97
US6088630AJul 11, 2000
Automatic control system for unit operation
OLIN CORP70 citations96
US5376240ADec 27, 1994
Process for the removal of oxynitrogen species for aqueous solutions
OLIN CORP68 citations96
US5294319AMar 15, 1994
High surface area electrode structures for electrochemical processes
OLIN CORP56 citations96
US5282935AFeb 1, 1994
Electrodialytic process for producing an alkali solution
OLIN CORP81 citations96
US5092970AMar 3, 1992
Electrochemical process for producing chlorine dioxide solutions from chlorites
OLIN CORP98 citations96
US5084149AJan 28, 1992
Electrolytic process for producing chlorine dioxide
OLIN CORP58 citations96
US5223103AJun 29, 1993
Electrochemical process for producing chloric acid-alkali metal chlorate mixtures
OLIN CORP64 citations95
US5185693AFeb 9, 1993
Method and apparatus for providing backup process control
OLIN CORP90 citations94
US5415759AMay 16, 1995
Water ionizing electrode and electrochemical process for using
OLIN CORP21 citations93
US5322604AJun 21, 1994
Electrolytic cell and electrodes therefor
OLIN CORP22 citations93
US5254227AOct 19, 1993
Process for removing catalyst impurities from polyols
OLIN CORP69 citations93
US5158658AOct 27, 1992
Electrochemical chlorine dioxide generator
OLIN CORP38 citations93
US5041196AAug 20, 1991
Electrochemical method for producing chlorine dioxide solutions
OLIN CORP32 citations93
US4857158AAug 15, 1989
Sodium hydrosulfite electrolytic cell process control system
OLIN CORP25 citations93
US4761216AAug 2, 1988
Multilayer electrode
OLIN CORP27 citations93
US4740287AApr 26, 1988
Multilayer electrode electrolytic cell
OLIN CORP35 citations93
US5354435AOct 11, 1994
Effluent treatment in a process for producing chlorine dioxide from chloric acid
OLIN CORP31 citations92
US5298280AMar 29, 1994
Process for producing an electrode by electroless deposition
OLIN CORP42 citations91
US5064514ANov 12, 1991
Apparatus for the production of chloric acid
OLIN CORP23 citations91
US5411643AMay 2, 1995
Integrated process of using chloric acid to separate zinc oxide and manganese oxide
OLIN CORP28 citations90
US5401477AMar 28, 1995
Process for producing solid manganese dioxide
OLIN CORP22 citations90
US5167777ADec 1, 1992
Process and apparatus for the removal of oxyhalide species from aqueous solutions
OLIN CORP30 citations90
US5296108AMar 22, 1994
Electrochemical process for generating chlorine dioxide using chloric acid-alkali metal chlorate mixtures
OLIN CORP15 citations82
US5248397ASep 28, 1993
Chlorine dioxide generation from chloric acid - alkali metal chlorate mixtures
OLIN CORP20 citations80
US4770756ASep 13, 1988
Electrolytic cell apparatus
OLIN CORP24 citations80
US5599518AFeb 4, 1997
Catalytic process for chlorine dioxide generation from chloric acid
OLIN CORP11 citations74
US5474654ADec 12, 1995
Process for gas phase delignifying wood pulp using chlorine dioxide at subatmospheric pressure
OLIN CORP10 citations74
US5348683ASep 20, 1994
Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation
OLIN CORP13 citations74
US5342601AAug 30, 1994
Process for producing chlorine dioxide
OLIN CORP16 citations74
US5340457AAug 23, 1994
Electrolytic cell
OLIN CORP7 citations74
US5322598AJun 21, 1994
Chlorine dioxide generation using inert load of sodium perchlorate
OLIN CORP7 citations74
US5264089ANov 23, 1993
Production of chlorine dioxide employing chloric acid - alkali metal chlorate mixtures
OLIN CORP15 citations74
US5242553ASep 7, 1993
Chloric acid-alkali metal chlorate mixtures for chlorine dioxide generation
OLIN CORP14 citations74
US5213784AMay 25, 1993
Process for the production of high purity hydroxylammonium nitrate
OLIN CORP9 citations74
US5108560AApr 28, 1992
Electrochemical process for production of chloric acid from hypochlorous acid
OLIN CORP18 citations74
US5089095AFeb 18, 1992
Electrochemical process for producing chlorine dioxide from chloric acid
OLIN CORP17 citations74
US4836903AJun 6, 1989
Sodium hydrosulfite electrolytic cell process control system
OLIN CORP11 citations74
US4743350AMay 10, 1988
Electrolytic cell
OLIN CORP14 citations74
US4892636AJan 9, 1990
Modular electrolytic cell and processing apparatus
OLIN CORP13 citations72
US5510097AApr 23, 1996
Hydroxylammonium nitrate free of ammonium nitrate
OLIN CORP12 citations71
US5391268AFeb 21, 1995
Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate
OLIN CORP7 citations70
US5242554ASep 7, 1993
Electrolytic production of chloric acid and sodium chlorate mixtures for the generation of chlorine dioxide
OLIN CORP14 citations70
US4537937AAug 27, 1985
Chelating resin and process for making same
OLIN CORP10 citations70
US5318762AJun 7, 1994
Process for treating aqueous solutions of hydroxylamine salts containing excess acid
OLIN CORP11 citations68
US5279743AJan 18, 1994
Process of using chloric acid to separate zinc oxide and manganese oxide
OLIN CORP9 citations66
US5258105ANov 2, 1993
Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation
OLIN CORP5 citations63
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