USPTO trademark record

PYRONIL

Dead mark · Owner PENNWALT CORPORATION · Classes 1

Mark details

Owner: PENNWALT CORPORATION
Serial number: 73788801
Registration number: 1640100
Status: CANCELLED - SECTION 8 (dead)
Classes: 1 (Chemicals)
Filed: 1989-03-24
Registered: 1991-04-09
Goods / services: FLAME RETARDANT CHEMICAL, ESPECIALLY AS A THERMOPLASTICS ADDITIVE

Register data as of 2026-11-09. Records can trail live filings — check the official USPTO search for the latest status before filing.

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