US Government As Represented by the Secretary of the Army

Mobil Oil Corporation

Olin Corporation

Carl G Seefried

Eugene F Rothgery

Gregory A Campbell

Nathan Klein

Steven W Bunte

Chares S Leveritt

The stability of HAN, HAN derivatives or hydroxylamine, and compositions comprising these is considerably enhanced by employing a stabilizing effective amount of a stabilizer selected from (a) a pyridine or pyridone salt, or an acid thereof; (b) a diphosphonate or methylenephosphonate salt, or an acid thereof; or (c) a mixture of two or more stabilizers, wherein at least one is selected from (a) and at least one is selected from (b). Stabilized HAN, HAN derivatives, or hydroxylamine or compositions comprising HAN, an HAN derivative or hydroxylamine, along with a process for providing these stabilized compositions is described. A stabilizer mixture having enhanced, synergistic stabilizing properties is described as well.

Stabilizers for hydroxylammonium nitrate, hydroxylammonium nitrate derivatives, hydroxylamine and compositions containing the same

Disclosed is a stabilized hydroxylammonium nitrate or hydroxylamine-containing composition comprising said hydroxylammonium nitrate or hydroxylamine and a pyridine or pyridone salt, or an acid thereof, said pyridine or pyridone salt, or acid thereof, being present in said composition in an amount of between about 0.0001% and about 2%, based upon the weight of said composition. Also disclosed is a process for preparing this composition.

Pyridine and pyridone stabilizers for hydroxylammonium nitrate and

Para-methylstyrene is polymerized under free-radical conditions in the presence of a polyol to give grafted polymeric polyols which are suitable for use in the production of polyurethane foams.

Graft copolymers of para-methylstyrene on polyols and polyurethanes

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Southbury, CT, United States of America

Carl G Seefried