Granted Patent
Utility
US 5,792,801 · App. 08/599,451
Thermal insulation foamed material having carbon dioxide absorbents and method for manufacturing same
Inventors:
Yoshiyuki Tsuda, Kazutaka Uekado, Hideo Nakamoto, Tomohisa Tenra, Tsukasa Takushima
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Jan 22, 1996
Inventors
Yoshiyuki Tsuda
Kazutaka Uekado
Hideo Nakamoto
Tomohisa Tenra
Tsukasa Takushima
Assignee (at issue)
Matsushita Refrigeration Company
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.