|
US1930716A
|
|
Catalytic oxidations of organic compounds
|
|
US1929381A
|
|
Purification of succinic acid and succinic anhydride
|
|
US1959164A
|
|
Candle
|
|
US1868532A
|
|
Production of aryl ketones
|
|
US1936091A
|
|
Production of aryl ketones
|
|
US1914509A
|
|
Motor fuel
|
|
US1908705A
|
|
Motor fuel
|
|
US1900680A
|
|
Purification of crude maleic acids
|
|
US1860098A
|
|
Synthetic resin
|
|
US1941689A
|
|
Motor fuel
|
|
US1900649A
|
|
Purification of crude dicarboxylic acids
|
|
US1864909A
|
|
Synthetic resin
|
|
US1945812A
|
|
Catalytic apparatus
|
|
US1913054A
|
|
Process and apparatus for oxidizing combustible material
|
|
US1900383A
|
|
Contact sulphuric acid process
|
|
US1909358A
|
|
Catalytic apparatus
|
|
US1945267A
|
|
Contact sulphuric acid process
|
|
US1939212A
|
|
Production of monocarboxylic acids
|
|
US1809627A
|
|
Production of vacuums
|
|
US1936090A
|
|
Production of amino aralkylaryl acid
|
