|
GB682721A
|
|
Improvements in exchange floors for distillation columns and gas washers
|
|
GB436194A
|
|
A process and solvent for separating mineral oil products
|
|
US2107807A
|
|
Process for separating mineral oil products
|
|
GB432249A
|
|
A process for the treatment of mineral oils
|
|
GB377941A
|
|
Process for the manufacture of oxalkyl-ethers of cellulose
|
|
GB303494A
|
|
Improvements in and relating to the production of concentrated acetic acid
|
|
US1796059A
|
|
Process for recovering concentrated acetic acid from dilute acetic acid
|
|
GB280501A
|
|
A process for recovering concentrated acetic acid from dilute acetic acid
|
|
GB296172A
|
|
A process for recovering concentrated acetic acid from dilute acetic acid
|
|
US1697738A
|
|
Process for the recovery of concentrated acetic acid
|
|
GB275158A
|
|
A process for the recovery of concentrated acetic acid and other products originating in the carbonisation of wood
|
|
US1784711A
|
|
Process of recovering cresol from aqueous solutions of same
|
|
GB255043A
|
|
Process for the preparation of concentrated acetic acid from dilute aqueous or crude dilute pyroligneous acid
|
|
US1715313A
|
|
Process for the distillation and vapor phase extraction of volatile substances
|
|
US1624812A
|
|
Method of concentrating dilute acetic acid
|
|
US1621441A
|
|
Production of concentrated acetic acid from dilute aqueous solutions of the same
|
|
US1637972A
|
|
Process for the production of ethyl chloride
|
|
GB225546A
|
|
Improved process for obtaining gases rich in ethylene
|
|
US1624811A
|
|
Concentration of dilute acetic acid
|
|
US1624810A
|
|
Process for the concentration of dilute acetic acid
|
