IP Library Granted Patent US 4,515,821
Granted Patent Utility
US 4,515,821 · App. 06/530,363

Calcined silicas and their use in beer clarification

Inventors: Brian H. Armstead, James P. Quinn
Patented Case View Patent ↗
Granted: May 7, 1985 Filed: Sep 8, 1983
Inventors
Brian H. Armstead
James P. Quinn
Assignee (at issue)
Internationale Otrool Maatschappij Octropa B.V.

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Quick Facts
Patent No.
US 4,515,821
App. No.
06/530,363
Filed
1983-09-08
Granted
1985-05-07
Kind
A