Granted Patent
Utility
US 4,533,723 · App. 06/625,712
Semi-esters of polyisobutylenesuccinic acid, their synthesis and preparations containing these compounds which can be transformed by radiation into an adhesive
Inventor:
Christian Weitemeyer
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Jun 28, 1984
Inventor
Christian Weitemeyer
Assignee (at issue)
Th. Goldschmidt. AG
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.