K
Filed: August 23, 1919
Sodium Silicate
Owned by: PQ Corporation
Serial Number: 71121942
VALFOR
Filed: February 25, 1980
Aluminosilicates for General Industrial Uses for Ion Exchange, Catalysis, Adsorption and Drying, Abrasive Agents, Cleaning…
Owned by: PQ Corporation
Serial Number: 73251441
ALPHACAT
Filed: November 19, 2009
silica gel beads and silica gel supported catalyst beads
Owned by: PQ Corporation
Serial Number: 77876342
LITHISIL
Filed: October 11, 2004
Lithium silicate
Owned by: PQ Corporation
Serial Number: 78497797
CERAMSIL
Deflocculant sold to manufacturers of ceramic tile, brick and whiteware for use in the ceramic and brick industries as an…
Owned by: PQ Corporation
Serial Number: 78501603
BRITESORB
Filed: April 8, 2005
Adsorbents for refining oil and clarifying beer
Owned by: PQ Corporation
Serial Number: 78605183
SIL-MATRIX
Filed: January 6, 2006
Fungicides, miticides, and insecticides for agricultural use
Owned by: PQ Corporation
Serial Number: 78786387
PREXSIL
Filed: August 11, 2010
Sodium silicate used as an extender for phenolic resin adhesives
Owned by: PQ Corporation
Serial Number: 85105051
RUNCLEAN
Sodium silicate for use as a descaling agent in pulp and paper mills and oilfield applications
Owned by: PQ Corporation
Serial Number: 86278512
PQ
Filed: February 17, 2016
industrial chemicals and specialty chemicals, namely, sodium silicates, potassium silicates, amorphous silicon dioxide,…
Owned by: PQ Corporation
Serial Number: 86911048
ALPHAPURE
Filed: May 17, 2016
Chemical additives comprising silicas, ceramic compositions and powders, metallic oxides, and zeolite for use in the manufacture…
Owned by: PQ Corporation
Serial Number: 87040202
CURESIL
Filed: July 6, 2016
silicates; chemicals for use in industry, namely, amorphous networks of polymeric aluminosilicates
Owned by: PQ Corporation
Serial Number: 87094690
LUBRISAVE
Filed: March 19, 2019
Chemical preparations, namely, silica based adsorbents for adsorbing chemical impurities from organic compounds
Owned by: PQ Corporation
Serial Number: 88345905
