1 COMPOSITION FOR INCORPORATION IN CONCRETE AND MORTAR MIXES TO ENTRAIN AIR IN THE MIXES TO IMPROVE THE DURABILITY AND THE RESISTANCE TO FREEZING AND THAWING OF HARDENED CONCRETE OR MORTAR
MB AE
Trademark Events
Feb 9, 1998
Expired Sec. 9
Aug 27, 1982
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.