IP Library › Granted Patent US 6,306,815
Granted Patent Utility
US 6,306,815 · App. 09/393,117

Quaternary polyvinylpyrridinium derivatives as anti-dye transfer agents

Inventors: Klein A. Rodrigues, John S. Thomaides
Patented Case View Patent ↗
Granted: Oct 23, 2001 Filed: Sep 10, 1999
Inventors
Klein A. Rodrigues
John S. Thomaides
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation

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Quick Facts
Patent No.
US 6,306,815
App. No.
09/393,117
Filed
1999-09-10
Granted
2001-10-23
Kind
A