2 trademarks were found for owners matching the name Diamond Shamrock Chemical Company.
#Classstatus
1 S:71464666
M:NOPCOLENE

O:Diamond Shamrock Chemical Company, National Oil Products Company
4 Dead
2 S:71464663
M:NOPALCOL

O:Diamond Shamrock Chemical Company, GEO SPECIALTY CHEMICALS, INC., NATIONAL OIL PRODUCTS COMPANY
6 Registered
Trademark Alertz updated from USPTO on 2030-01-24