Granted Patent
Utility
US 6,096,890 · App. 09/383,158
Process for substituted hydrazides using carboxylic acids
Inventors:
Catherine Dubuisson-Brengel, Heather Lynnette Rayle
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Aug 25, 1999
Inventors
Catherine Dubuisson-Brengel
Heather Lynnette Rayle
Assignee (at issue)
Rohm and Haas Company
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.