Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Promoting the reaction of sodium salts of formyl derivatives of aromatic amines to form nitrodiarylamines

Promoting the reaction of sodium salts of formyl derivatives of aromatic amines to form nitrodiarylamines

US Patent 4187249 · Granted Feb 5, 1980

Estimated economic value: $1,189,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufac2010
Pyrimidine derivatives as hardness stabilizers2003
Pyrimidine derivatives as hardness stabilizers2002
Manufacture of zinc hexasulfide amine complexes2002
Rubber compositions containing zinc hexasulfide complexes2000
Formation of quinonedimines from phenylenediamines by catalytic oxidation1999
Making nitrodiarylamines1986
Fragrant prevulcanization inhibitors1984
Production of cyclohexylamine1983
Methylene thioethers1982
2-(Thioamino)-4,6-diamino-1,3,5-triazines1982
Vulcanizable rubber compositions scorch inhibited by 2-(thioamino)-4,6-diamino-11981