Granted Patent
Utility
US 6,069,262 · App. 08/944,812
Fatty acid esters of hydroxyalkyl sulfonate salts and process for producing same
Inventors:
Ismail Walele, Samad Syed
Patented Case
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Granted: May 30, 2000
Filed: Oct 6, 1997
Inventors
Ismail Walele
Samad Syed
Assignee (at issue)
Finetex, 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.