Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sulfonatocalixarene tanning agent for leather tanning and preparation method therefor

Sulfonatocalixarene tanning agent for leather tanning and preparation method therefor

US Patent 9970069 · Granted May 15, 2018

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Piperazine amide derivative, preparation method therefor, and use thereof in med2025
Method for rapid demolishing of cement concrete pavement slab and device thereof2024
Driving circuit and display panel2024
Device and method for glaucoma auxiliary diagnosis, and storage medium2024
Method and device for detecting and locating lesion in medical image, equipment 2024
Method for sharing apps, terminal, and storage medium2024
Bath chair2024
Bath chair2024
Bath chair2024
Authentication method and user equipment2024
Cross-regional travel recommendation method and apparatus, electronic device and2023
Fingerprint readout circuit and display panel thereof2023