Inventor · disambiguated record
Waldemar Koehler
Also filed as: KOEHLER WALDEMAR
6 granted patents·246 citations·filing 1973–1986
86Inventor score
Top patents by PatentIndex Score
6 records- 0197US4596678AMultiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residueBASF AG·Filed 1984·Granted Jun 24, 1986·150 cites·11 claims
- 0288US4128569AContinuous manufacture of organic isocyanatesBASF AG·Filed 1977·Granted Dec 5, 1978·28 cites·9 claims
- 0380US4076577AProcess for the separation of residues of toluenediisocyanate productionBASF WYANDOTTE CORP·Filed 1975·Granted Feb 28, 1978·20 cites·11 claims
- 0473US4693877ACleavage of formamide to give hydrocyanic acid and waterBASF AG·Filed 1986·Granted Sep 15, 1987·23 cites·2 claims
- 0561US4289589ASeparating toluene diisocyanate and/or higher boiling solvents from distillation residues of the toluene diisocyanate manufacture using a fluidized bedBASF AG·Filed 1980·Granted Sep 15, 1981·21 cites·9 claims
- 0652US4012305AProduction of 1-methyl-3-phenylindansBASF AG·Filed 1973·Granted Mar 15, 1977·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →