Granted Patent
Utility
US 6,441,113 · App. 09/423,499
Homopolymers with high photoinduceable double refraction
Inventors:
Horst Berneth, Uwe Claussen, Serguei Kostromine, Ralf Neigl, Hans-Joachim Vedder
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 8, 1999
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.