72436068
Sep 18, 1972
Jun 4, 1974
SPECIALTY AND PROPRIETARY CHEMICAL COMPOSITIONS FOR USE AS PROCESSING AIDS IN PULP AND PAPER MANUFACTURING AND CONVERTING; PROCESS AIDS-NAMELY, DISPERSANTS, SLIME CONTROL COMPOSITIONS, RETENTION AIDS, EMULSION POLYMERS, DRY AND WET STRENGTH ADDITIVES, RHEOLOGY CONTROL AGENTS
Metal Goods