Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic compositions thereof

3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic compositions thereof

US Patent 4363812 · Granted Dec 14, 1982

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Medical tube position confirmation system2025
Method and system for storing biomass raw material2025
Sheet folding apparatus, image forming apparatus, and image forming system2025
Liquid application device, image forming apparatus, and image forming system2025
Sheet folder, image forming apparatus incorporating the sheet folder, and image 2025
Medium processing apparatus and image forming system2025
Power converter2024
Control system, support device, and storage medium to allow determination whethe2024
Driving handover control device and driving handover control method2024
Driving handover control device and driving handover control method2024
Sheet processing device, sheet laminator, image forming apparatus, and image for2024
Information processing apparatus, non-transitory storage medium, and information2024