|
US2275558A
|
|
Composition for electrical insulation and other technical uses
|
|
US2118140A
|
|
Extraction of sulphur
|
|
US2066002A
|
|
Protective compositions
|
|
US2076430A
|
|
Purification of halogenated organic compounds
|
|
US2025742A
|
|
Light colored liquid chlorinated naphthalene and production thereof
|
|
US2069183A
|
|
Light colored highly halogenated naphthalene and process of producing same
|
|
US2073245A
|
|
Dielectric medium
|
|
US2034656A
|
|
Protective compositions
|
|
US1974918A
|
|
Condenser construction
|
|
US1937490A
|
|
Electric condenser
|
|
US2028716A
|
|
Fire resistant electrical conductor
|
|
US2028715A
|
|
Fire resistant composition
|
|
US2083007A
|
|
Potting composition
|
|
US1945803A
|
|
Cement
|
|
US1865629A
|
|
Sealing composition
|
|
US1953070A
|
|
Purification of chlornaphthalenes
|
|
US1584209A
|
|
Leather-belt dressing
|
|
US1672878A
|
|
Process of chlorination
|
|
US1564044A
|
|
Chlorination apparatus
|
|
CA245953A
|
|
Process of chlorination
|
