Granted Patent
Utility
US 6,822,021 · App. 10/320,359
Silicone aqueous emulsion release liquid and release film using the same
Inventors:
Sang Pil Kim, Ki-Bong Suh, Moon Bok Lee, Jeong-Woo Lee, Kwang-Choon Chung, Myung Sun Gong, Chang-Soo Kim
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Dec 16, 2002
Inventors
Sang Pil Kim
Ki-Bong Suh
Moon Bok Lee
Jeong-Woo Lee
Kwang-Choon Chung
Myung Sun Gong
Chang-Soo Kim
Assignees (at issue)
Toray Saehan Inc.
Haeun Chemtec Co., Ltd.
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.