P

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 patents
US5519605AMay 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

PROCTER & GAMBLE

1 patent

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