Granted Patent
Utility
US 6,423,799 · App. 09/180,851
Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction
Inventors:
Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Nov 17, 1998
Inventors
Horst Berneth
Uwe Claussen
Serguei Kostromine
Ralf Neigl
Hans-Joachim Vedder
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.