Granted Patent
Utility
US 6,583,324 · App. 09/954,171
Process for producing aldehyde
Inventors:
Masaki Takai, Iwao Nakajima, Tooru Tsukahara, Yoshiyuki Tanaka, Hisao Urata, Akio Nakanishi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Sep 18, 2001
Inventors
Masaki Takai
Iwao Nakajima
Tooru Tsukahara
Yoshiyuki Tanaka
Hisao Urata
Akio Nakanishi
Assignee (at issue)
MITSUBISHI CHEMICAL 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.