Granted Patent
Utility
US 6,554,874 · App. 09/645,090
Method of dyeing or printing polyamide-containing materials
Inventors:
Jean-Marie Adam, Jean-Pierre Bacher
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Aug 24, 2000
Inventors
Jean-Marie Adam
Jean-Pierre Bacher
Assignee (at issue)
Ciba Specialty Chemicals Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.