Granted Patent
Utility
US 5,773,565 · App. 08/692,768
Salts of polyaspartic acid by high temperature reaction
Inventor:
Louis L. Wood
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 6, 1996
Inventor
Louis L. Wood
Assignee (at issue)
Bayer Aktiengesellschaft
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.