Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Contrast enhancement layer composition with naphthoquinone diazide, indicator dye and polymeric binder

Contrast enhancement layer composition with naphthoquinone diazide, indicator dye and polymeric binder

US Patent 4672021 · Granted Jun 9, 1987

Estimated economic value: $54,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Inkjet-imageable lithographic printing members and methods of preparing and imag2009
Chemical imaging of a lithographic printing plate2004
Chemical imaging of a lithographic printing plate2004
Chemical imaging of a lithographic printing plate2003
Wafer coating method for flip chips2001
Chemical imaging of a lithographic printing plate2001
Flip chip with integrated mask and underfill2001
Flip chip having integral mask and underfill providing two-stage bump formation2001
Flip chip with integrated flux and underfill2001
Light sensitive diazonium compounds having both bisulfate and zincate parts, met1997
Rosin-free, low VOC, no-clean soldering flux and method using the same1996
No-clean soldering flux and method using the same1994