Granted Patent
Utility
US 5,628,844 · App. 08/351,196
Method for making a topsheet for use in disposable body fluid absorptive articles
Inventors:
Kazunari Nishino, Shigeyuki Motomura, Shizuo Shimizu, Takamitsu Igaue, Tsutomu Kido, Hisashi Takai
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Nov 30, 1994
Inventors
Kazunari Nishino
Shigeyuki Motomura
Shizuo Shimizu
Takamitsu Igaue
Tsutomu Kido
Hisashi Takai
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
Unicharm Corporation
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.