Ronald J. Merritello - Palos Heights IL William F. Kilgore - Kingwood TX David M. Forstrom - Duluth GA Terence A. Lane - Charlotte NC
Assignee:
Liquid Carbonic Industries Corporation - Chicago IL
International Classification:
D06P 100
US Classification:
8474
Abstract:
A method to establish, maintain and control pH using carbon dioxide in aqueous dyeing processes applicable to dyeing a wide range of substrates with an aqueous dyeing solution incorporating either a water soluble or insoluble, natural or synthetic type of dye in batch or continuous processes, and at atmospheric pressure or under pressure.