|
GB320113A
|
|
Improved process for the production of esters
|
|
US1759369A
|
|
Process for refining wood spirit oils
|
|
US1591984A
|
|
Process for the chlorination of hydrocarbons
|
|
US1654821A
|
|
Process for the chlorination of saturated hydrocarbons
|
|
DE406217C
|
|
Process for the preparation of hexamethylenetetramine from methylene chloride
|
|
GB174635A
|
|
An improved method for the chlorination of acetylene
|
|
GB186270A
|
|
Improvements in or relating to the chlorinatlon of methane
|
|
DE336895C
|
|
Process for tanning animal skins
|
|
US1241789A
|
|
Process for the dry distillation of materials containing-cellulose.
|
|
CA285930A
|
|
Acid extracting process
|
|
CA284062A
|
|
Fatty acid
|
|
CA285928A
|
|
Acid concentration process
|
|
CA285929A
|
|
Acid extracting process
|
|
CA298037A
|
|
Process for concentrating volatile aliphatic acids
|
