Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for obtaining high-purity bisphenol A

Process for obtaining high-purity bisphenol A

US Patent 4931146 · Granted Jun 5, 1990

Estimated economic value: $63,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power system, monitoring device, inverter device and program2025
Paint composition and multilayer coating film formation method2024
Information management system, and method for device registration of measuring d2024
Information processing system, image forming apparatus, and non-transitory recor2023
Image processing apparatus, image processing method, and non-transitory recordin2023
Power converter, drive, and power steering device2022
Drive controller, drive unit, and power steering2022
Power conversion device, motor drive unit, and electric power steering device2022
Power conversion apparatus, motor driving unit, and electric power steering appa2022
Non-pneumatic tire2021
Heat pipe, heat dissipating component, and method for manufacturing heat pipe2020
Rechargeable battery controller2019