Granted Patent
Utility
US 6,545,114 · App. 09/924,484
Polysiloxaneurethane-poly(acrylic acid)/polyacrylate copolymer and method for making the same
Inventors:
Jeng-Cheng Yang, Chen-Chi Martin Ma, Hon-Bin Chen
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Aug 9, 2001
Inventors
Jeng-Cheng Yang
Chen-Chi Martin Ma
Hon-Bin Chen
Assignee (at issue)
CHUNG-SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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.