Abstract:
N-alkylated derivatives of 2-amino-2-hydrocarbylthiomethyl-1,3propanediols useful as flotation agents, rubber modifiers, and chelating agents in the separation of metals are produced by reacting 2-amino-2-hydrocarbylthiomethyl-1,3-propanediols with organic halides. Thiols can be produced by reacting arylmethylated or alkarylmethylated derivatives of the above compounds with an alkali metal in the presence of ammonia.
Abstract:
An impervious cover structure is produced by laying a polyolefin fabric fused on one side only, fused side against the surface to be covered and the unfused side is coated with a mixture containing asphalt and asbestos fibers.
Abstract:
A POLYMER STABILIZER COMPRISING MIXTURES OF DIESTERS OF THIODICAROXYLIC ACIDS. IN ANOTHER EMBODIMENT, SAID POLYMER STABILIZER FURTHER COMPRISES AT LEAST ONE HINDERED MONO OR POLYPHENOLIC COMPOUND. IN ANTOHER EMBODIMENT, SAID DIESTERS OF THIODICARBOXYLIC ACIDS ARE PRODUCED BY REACTING A MIXTURE OF ALCOHOLS CHARACTERIZED BY THE FORMULAS ROH AND R''OH WHEREIN R AND R'' ARE THE SAME OR DIFFERENT AND ARE HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL OR CYCLOALKYL-SUBSTITUTED ALKYL IN THE RANGE OF FROM 10 TO 20 CARBON ATOMS PER R AND R'' GROUP WITH AT LEAST ONE THIODICARBOXYLIC ACID OF THE FORMULA S-(CNH2NCOOH)2 WHEREIN N IS AN INTEGER FROM 1 TO 6.
Abstract:
PURIFICATION OF ALCOHOLS OF COLOR FORMING BODIES COMPRISING TREATING THE ALCOHOL WITH OZONE AND A REDUCING AGENT TO OBTAIN A NON-ODORIFEROUS ALCOHOL PRODUCT SUBSTANTIALLY FREE OF COLOR FORMING BODIES.
Abstract:
AROMATIC COMPOUNDS, SUCH AS, FOR EXAMPLE, BENZENE AND NAPHTHALENE, ARE REACTED WITH HALOTETRAHYDROPYRANS IN THE PRESENCE OF A LEWIS ACID ALKYLATION CATALYST SUCH AS, FOR EXAMPLE, ALUMINUM CHLORIDE, TO YIELD ARYL-TETRAHYDROPYRANS.