Granted Patent
Utility
US 5,403,612 · App. 08/040,926
Process for producing a phosphorylated pectin-containing fiber product
Inventor:
Emil A. Huang
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Mar 31, 1993
Inventor
Emil A. Huang
Assignee (at issue)
Humatics 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.