PENNWALT <PSM> TO MAKE ACQUISITION Pennwalt corp said it has agreed in principle to acquire a line of fungicides, insecticides and herbicidesand related manufacturing facilities from Le Raffineries de Soufre Reunies of Marseilles for undisclosed terms, subject to approval by bothe boards and government authorities. The company said the acquired products are sold mostly in FRance for use on grapevines, wheat and sugar beets and sales are about 40 mln dlrs annually.