PQ CORPORATION Trademarks
B-W
Filed: December 4, 1918
SODIUM SILICATE
Owned by: PQ CORPORATION
Serial Number: 71114483
P-Q
Filed: May 26, 1919
Sodium Silicate
Owned by: PQ CORPORATION
Serial Number: 71118933
RUSTICON
Filed: June 5, 1940
Substance for Preventing Rust, Corrosion, or Scale in Boilers, Radiators, and Hot Water Systems
Owned by: PQ CORPORATION
Serial Number: 71432696
FABRISOF
Filed: July 8, 1959
Fabric Softener for Use in the Washing of Fabrics
Owned by: PQ CORPORATION
Serial Number: 72077256
