|
US2379703A
|
|
Process for the production of derivatives of polyhydroxy alcohols
|
|
US2229976A
|
|
Art of treating leather
|
|
US2416552A
|
|
Conversion of alkylolamides into oxazolines
|
|
US2229975A
|
|
Art of treating textile fabrics
|
|
US2268674A
|
|
Process for softening paper
|
|
US2188951A
|
|
Insecticide
|
|
US2215812A
|
|
Cellular concrete
|
|
US2169881A
|
|
Reagent used in simultaneous dyeing and degumming fabrics
|
|
US2192976A
|
|
Lubricant
|
|
US2135081A
|
|
Soaking silk yarns
|
|
US2190331A
|
|
Scrooping process
|
|
US2144324A
|
|
Condensation products of halogenated aromatic hydrocarbons with triglycerides
|
|
US2181476A
|
|
Aliphatic hydroxy-ether ketones
|
|
US2052570A
|
|
Sulphonation of oil
|
|
US1990330A
|
|
Light colored gum for fabric printing
|
