Granted Patent
Utility
US 5,264,153 · App. 07/911,999
Crystalline polyester resins suitable for producing fluorescent pigments
Inventor:
Adrian de Krom
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Jul 10, 1992
Inventor
Adrian de Krom
Assignee (at issue)
DAY-GLO COLOR CORP.
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.