Granted Patent
Utility
US 6,031,050 · App. 08/894,848
Rubber-modified styrenic resin composition
Inventors:
Masayuki Nozawa, Masanari Fujita, Yasuji Shichijo
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Aug 22, 1997
Inventors
Masayuki Nozawa
Masanari Fujita
Yasuji Shichijo
Assignee (at issue)
NIPPON STEEL CHEMICAL 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.