Granted Patent
Utility
US 5,783,723 · App. 08/719,044
Process for the preparation of dialkyl succinylsuccinates
Inventors:
Colin D. Campbell, Damien Thurber Cole, Harold Raymond Taylor, III
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Sep 24, 1996
Inventors
Colin D. Campbell
Damien Thurber Cole
Harold Raymond Taylor, III
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.