Granted Patent
Utility
US 6,620,920 · App. 09/418,359
Monomers for photoadressable side group polymers of high sensitivity
Inventors:
Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Joachim Rubner, Ralf Ruhmann
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Oct 14, 1999
Inventors
Horst Berneth
Uwe Claussen
Serguei Kostromine
Ralf Neigl
Joachim Rubner
Ralf Ruhmann
Assignee (at issue)
Bayer Aktiengesellschaft
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.