Inventor · disambiguated record
Michael Immenkeppel
Also filed as: IMMENKEPPEL MICHAEL
2 granted patents·13 citations·filing 1989–1991
56Inventor score
Technology areasC07F
Files withBAYER AG2
Top patents by PatentIndex Score
2 records- 0163US4931586AProcess for the continuous production of 2-phosphone-butane-1,2,4-tricarboxylic acid and alkali metal salts thereofBAYER AG·Filed 1989·Granted Jun 5, 1990·10 cites·8 claims
- 0242US5091562AProcess for eliminating 1-carboxy-1-phosphonocyclopentan-3-one from, or reducing its content in, technical 2-phosphonobutane-1,2,4-tricarboxylic acid using bleaching liquorBAYER AG·Filed 1991·Granted Feb 25, 1992·3 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Michael Immenkeppel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →