USPTO trademark record

PURPALD

Live registered mark · Owner SIGMA-ALDRICH BIOTECHNOLOGY L.P. · Classes 1

Mark details

Owner: SIGMA-ALDRICH BIOTECHNOLOGY L.P.
Serial number: 78596542
Registration number: 3144625
Status: REGISTERED AND RENEWED
Classes: 1 (Chemicals)
Filed: 2005-03-28
Registered: 2006-09-19
Goods / services: Organic chemical reagent used as an analytical tool for the detection of aldehydes in extremely small concentration and in the presence of similar chemical moieties such as ketones

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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