W. Howard Rapson

Person

Scarborough, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Small scale generation of chlorine dioxide for water treatment
- Patent number 4,534,952
- Issue date Aug 13, 1985
- Erco Industries Limited
- W. Howard Rapson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bleaching procedure using chlorine dioxide and chlorine solutions
- Patent number 4,409,066
- Issue date Oct 11, 1983
- Erco Industries Limited
- Douglas W. Reeve
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Bleaching procedure using chlorine dioxide and chlorine solutions
- Patent number 4,325,783
- Issue date Apr 20, 1982
- Erco Industries Limited
- Douglas W. Reeve
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for removal of potassium values from pulp mill liquors
- Patent number 4,249,990
- Issue date Feb 10, 1981
- Erco Envirotech Ltd.
- Allan F. Gilbert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Low effluent pulp mill, bleach plant operation
- Patent number 4,188,260
- Issue date Feb 12, 1980
- Erco Envirotech Ltd.
- Gordon Rowlandson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleach plant operation
- Patent number 4,104,114
- Issue date Aug 1, 1978
- Erco Envirotech Ltd.
- Gordon Rowlandson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Production of chlorine dioxide at high efficiency
- Patent number 4,075,308
- Issue date Feb 21, 1978
- Erco Industries Limited
- W. Howard Rapson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bleach plant filtrate recovery
- Patent number 4,039,372
- Issue date Aug 2, 1977
- Erco Envirotech Ltd.
- Douglas W. Reeve
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

W. Howard Rapson

Person

Patents Grantslast 30 patents

Small scale generation of chlorine dioxide for water treatment

Bleaching procedure using chlorine dioxide and chlorine solutions

Bleaching procedure using chlorine dioxide and chlorine solutions

Process for removal of potassium values from pulp mill liquors

Low effluent pulp mill, bleach plant operation

Bleach plant operation

Production of chlorine dioxide at high efficiency

Bleach plant filtrate recovery