Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use

Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use

US Patent 4841073 · Granted Jun 20, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Water vapor-permeable coating composite2006
Duster nozzle for vacuum cleaners2005
Mixtures of aqueous binders2005
Arrangement for a consecutive two-stage ejector of the built-in type2004
Arrangement for a continuous two-stage ejector of the built-in type2004
Arrangement for an integral two-stage ejector2004
Polyurethane-polyurea dispersions as coating compositions2003
Arrangement for a two-stage ejector in a moulding tool2003
Imparting water-repellency with polysiloxanes containing carboxyl groups2002
Arrangement for a lock cylinder for a blocking cylinder2001
Aqueous polyurethane dispersions2001
Arrangement for a latch lock for moulding tools2001