5 trademarks were found for owners matching the name Pq Corporation.
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1 TM: 1835043
Desc: CURESIL
Owner: PQ Corporation
Class: 1
Status: Protected: Registered/protected
2 TM: 1811272
Desc: ALPHAPURE
Owner: PQ Corporation
Class: 1
Status: Not protected: Not accepted
3 TM: 1808311
Desc: PQ
Owner: PQ Corporation
Class: 1, 3, 40
Status: Protected: Registered/protected
4 TM: 1406917
Desc: PREXSIL
Owner: PQ Corporation
Class: 1
Status: Registered: Registered/protected
5 TM: 585468
Desc: EXTENDOSPHERE, EXTENDOSPHERES
Owner: PQ Corporation
Class: 1
Status: Removed
Not renewed: Renewal fee not paid