Granted Patent
Utility
US 5,863,886 · App. 08/923,376
Nonionic gemini surfactants having multiple hydrophobic and hydrophilic sugar groups
Inventors:
David J. Tracy, Ruoxin Li, Jiang Yang
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Sep 3, 1997
Inventors
David J. Tracy
Ruoxin Li
Jiang Yang
Assignee (at issue)
Rhodia, Inc.
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.