Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for preparing three types of benzidine compounds in a specific ratio

Method for preparing three types of benzidine compounds in a specific ratio

US Patent 7183437 · Granted Feb 27, 2007

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device with lock function and lock mechanism2025
Data processing device and electronic module thereof2025
Selecting radio resource management schemes based on environment assessments2025
Heater device with memory unit and operation method thereof2024
Fin field-effect transistor devices and methods of forming the same2024
Antibody-drug conjugates containing an anti-mesothelin antibody and uses thereof2024
Concave reflector for complementary metal oxide semiconductor image sensor (CIS)2024
Electronic device and linked hinge mechanism thereof2023
Integrated chip inductor structure2023
Node location selection of wireless mesh networks2023
User grouping for multi-user MIMO2023
Resonant control device and resonant control method thereof2023