The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1994
Filed:
Feb. 02, 1993
Applicant:
Inventors:
Ronald J Merritello, Palos Heights, IL (US);
William F Kilgore, Kingwood, TX (US);
David M Forstrom, Duluth, GA (US);
Terence A Lane, Charlotte, NC (US);
Assignee:
Liquid Carbonic Industries Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8474 ; 8505 ;
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.
Merritello, Ronald. (1994). Adjusting ph in dyeing processes using co.sub.2 (U.S. Patent No. 5295998). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5295998
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