Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 5-Amino-1,2,3,4-tetrahydroanthraquinone and its preparation

5-Amino-1,2,3,4-tetrahydroanthraquinone and its preparation

US Patent 4297288 · Granted Oct 27, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Non-electric household food slicer2006
Continuous production of azines/hydrazine hydrate2003
Vaporization of solutions of hydrazine hydrate1995
Synthesis of acyl cyanides in an anhydrous reaction medium1994
Synthesis of acyl cyanides in a hydrous reaction medium1994
Azine synthesis in the absence of CO.sub.21993
Catalytic synthesis of azines from H.sub.2 O.sub.2 /NH.sub.3 /carbonyl compounds1993
Process of bleaching laundry1992
Directly distilled diesel fuels having improved cetane numbers1992
Viscoreduced diesel fuels having improved cetane numbers1992
Catalyst system and catalytic alkane carbonylation process1990
Process for preparation of .alpha.-acetoxy-.alpha.-methyl-N,N'-diacetyl malonami1990