Granted Patent
Utility
US 6,072,025 · App. 09/034,619
Salts of polyaspartic acid by high temperature reaction
Inventor:
Louis L. Wood
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 4, 1998
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.