FT

Friedrich Towae

Basf Se: 23 patents #549 of 13,826Top 4%
Overall (All Time): #187,090 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4740610 Process for the preparation of N,o-substituted mono- and/or polyurethanes Franz Merger 1988-04-26
4713476 Process for the preparation of aliphatic di- and polyurethanes Franz Merger 1987-12-15
4695645 Process for the preparation of N,o-substituted mono-and/or polyurethanes Franz Merger 1987-09-22
4613466 Preparation of hexamethylene 1,6-diisocyanate and/or isomeric diisocyanates where alkylene is of 6 carbon atoms Franz Merger, Gerhard Nestler, Hans Hellbach 1986-09-23
4611079 Process for the preparation of N-aryl di- or polyurethanes Franz Merger 1986-09-09
4596679 Multiple-step process for the preparation of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate Hans Hellbach, Franz Merger 1986-06-24
4596678 Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue Franz Merger, Hans Hellbach, Gunther Isbarn, Waldemar Koehler 1986-06-24
4537960 Preparation of carbamates Franz Merger, Gerhard Nestler 1985-08-27
4530796 Process for the preparation of isocyanates through the thermal cleavage of urethanes Otto Mattner, Franz Merger 1985-07-23
4497963 Process for the preparation of an aliphatic, cycloaliphatic, and/or aliphatic-cycloaliphatic di- and/or polyurethane Franz Merger 1985-02-05
4482499 Process for the preparation of isocyanates by thermal cleaving of urethanes Franz Merger, Gerhard Nestler, Rolf Platz, Hans Hellbach 1984-11-13
4459236 Preparation of 1-alkenyl isocyanates Franz Merger, Hans-Martin Hutmacher 1984-07-10
4436668 Preparation of carbonates Wolfgang Harder, Franz Merger 1984-03-13
4375000 Process for the preparation of an aryl mono-, di-, and/or polyurethane Franz Merger, Wolfgang Harder 1983-02-22
4349484 Process for the manufacture of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates Franz Merger, Gerhard Nestler, Wolfgang Harder 1982-09-14
4330479 Thermal decomposition of aryl urethanes Franz Merger 1982-05-18
4322365 Preparation of isocyanates Franz Merger 1982-03-30
4319035 Process for recycling noble metal catalysts used for the manufacture of aromatic urethanes Franz Merger 1982-03-09
4294971 Preparation of N-aryloxazolidine-2,4-diones Franz Merger 1981-10-13
4290970 Process for the manufacture of aromatic di- and/or polyisocyanates Franz Merger 1981-09-22
4278805 Process for the preparation of an aryl mono-, di-, and/or polyurethane Franz Merger 1981-07-14
4192949 Preparation of aralkyl phenyl ethers and alkyl phenyl ethers Franz Merger, Ludwig Schroff, deceased 1980-03-11
4191838 Acryloxy-alkylpropanals and methacryloxy-alkylpropanals Franz Merger, Erich Penzel 1980-03-04