Inventor · disambiguated record
Michael Langen
Also filed as: LANGEN MICHAEL
6 granted patents·1 pending application·87 citations·filing 1989–2009
83Inventor score
Top patents by PatentIndex Score
7 records- 0178US8354368B2Cleaning composition comprising graft copolymersCOGNIS IP MAN GMBH·Filed 2009·Granted Jan 15, 2013·6 cites·15 claims
- 0276US5205959AAlkali-stable foam inhibitorsHENKEL KGAA·Filed 1990·Granted Apr 27, 1993·40 cites·12 claims
- 0372US4967017AAlcohol ethoxylates of reduced EO content or residual PO contentHENKEL KGAA·Filed 1989·Granted Oct 30, 1990·11 cites·15 claims
- 0458US6216967B1Process for disaggregating waste materials which contain at least partially reusable elementsDER GRUENE PUNKT DUALES SYST·Filed 1997·Granted Apr 17, 2001·20 cites·17 claims
- 0551US2010006006A1Water-Soluble Silicates and Use ThereofCOGNIS IP MAN GMBH·Filed 2009·Application pending·0 cites
- 0645US6767463B1Method for minimizing the new water use in the water circulation system of a treatment plantDER GRUENE PUNKT DUALES SYST·Filed 2000·Granted Jul 27, 2004·1 cites·26 claims
- 0742US5069817AProcess for making polyoxyethylene surfactants with desirable low temperature behaviorHENKEL KGAA·Filed 1989·Granted Dec 3, 1991·9 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Michael Langen 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 →