Granted Patent
Utility
US 5,510,483 · App. 08/471,593
2-(arylsulphonylamino)-pyrimidine intermediates for Azo dyes
Inventors:
Jordi B. Barra, Jose R. Sorolla
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Jun 6, 1995
Inventors
Jordi B. Barra
Jose R. Sorolla
Assignee (at issue)
Sandoz 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.