Granted Patent
Utility
US 4,760,176 · App. 07/082,985
Aminocarboxylic acid-terminated polyoxy-alkylenes and process for the preparation thereof
Inventors:
Yuval Halpern, Brian A. Pikelny
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Aug 5, 1987
Inventors
Yuval Halpern
Brian A. Pikelny
Assignee (at issue)
Borg-Warner Chemicals, 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.