|
US1879893A
|
|
Refrigerating composition
|
|
US1878276A
|
|
Composition of matter
|
|
US1905817A
|
|
Odorant for refrigeration
|
|
US1905033A
|
|
Concentration of formaldehyde solutions
|
|
US1575884A
|
|
Accelerator for the vulcanization of rubber
|
|
US1497265A
|
|
Zinc-electroplated articles
|
|
US1384188A
|
|
Cellulose-acetate solution
|
|
CA303663A
|
|
Stabilization of trichloroethylene
|
|
CA232981A
|
|
Electroplating ferrous articles with zinc
|
|
CA233148A
|
|
Electroplating with zinc
|
|
CA262015A
|
|
Rubber vulcanization
|
|
CA275125A
|
|
Accelerator for the vulcanization of rubber
|
|
CA267734A
|
|
Rubber vulcanizing process
|
|
CA269453A
|
|
Oxidation promotion
|
|
CA330907A
|
|
Carbon halide production
|
|
CA275511A
|
|
Electrolytic process and cell
|
|
CA276866A
|
|
Rubber vulcanizing process
|
|
CA285200A
|
|
Manufacture of hydrocyanic acid from formamide
|
|
CA284269A
|
|
Rust resisting coating
|
|
CA311328A
|
|
Process of treating hydrocarbons vapours
|
