Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Process for the preparation of 6-(3,4-dihydro-3-oxo-1,4(2H)-benzoxazin-7-yl)-2,3,4,5-tetrahydropyridazi n-3-ones

US Patent 5221742 · Granted Jun 22, 1993

Estimated economic value: $178,336,000

Assignee

Inventors

View full patent text on Google Patents →