Granted Patent
Utility
US 5,576,451 · App. 08/244,066
Esters of fatty acids with ethoxylated polyols
Inventors:
Antonio Trius Oliva, Oriol Ponsati Obiols, Joaquim Bigorra Llosas, Esther Prat Queralt
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: May 13, 1994
Inventors
Antonio Trius Oliva
Oriol Ponsati Obiols
Joaquim Bigorra Llosas
Esther Prat Queralt
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.