USPTO trademark record

PURPALD

Dead mark · Owner ALDRICH CHEMICAL COMPANY, INC. · Classes 1

Mark details

Owner: ALDRICH CHEMICAL COMPANY, INC.
Serial number: 72417718
Registration number: 0955548
Status: EXPIRED (dead)
Classes: 1 (Chemicals)
Filed: 1972-03-08
Registered: 1973-03-20
Goods / services: 4-AMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE, AN ORGANIC CHEMICAL REAGENT USED AS AN ANALYTICAL TOOL FOR THE DETECTION OF ALDEHYDES IN EXTREMELY SMALL CONCENTRATION AND IN THE PRESENCE OF SIMILAR CH…

Register data as of 2026-11-07. Records can trail live filings — check the official USPTO search for the latest status before filing.

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