72009306
May 29, 1956
Nov 12, 1957
[ CHEMICALS-NAMELY, SOLID, LIQUID, AND LIQUID-DISPERSED POLYSULFIDE POLYMERS; ORGANIC SULFUR-CONTAINING COMPOUNDS, SUCH AS MERCAPTANS, SULFIDES, POLYSULFIDES, THIOSULFATES, THIOKETONES; POLYESTERS AND POLYURETHANES; PLASTICIZERS OF THE ESTER AND ACETAL TYPE; AND ] ROCKET PROPELLANTS
Metal Goods