Inventor · disambiguated record
Friedrich Towae
Also filed as: PENZEL ERICH · SCHROFF LUDWIG · TOWAE FRIEDRICH
23 granted patents·714 citations·filing 1978–1986
97Inventor score
Files withBASF AG23
Top patents by PatentIndex Score
23 records- 0198US4596679AMultiple-step process for the preparation of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanateBASF AG·Filed 1984·Granted Jun 24, 1986·145 cites·11 claims
- 0297US4596678AMultiple-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
- 0395US4537960APreparation of carbamatesBASF AG·Filed 1983·Granted Aug 27, 1985·39 cites·11 claims
- 0495US4290970AProcess for the manufacture of aromatic di- and/or polyisocyanatesBASF AG·Filed 1980·Granted Sep 22, 1981·47 cites·14 claims
- 0594US4497963AProcess for the preparation of an aliphatic, cycloaliphatic, and/or aliphatic-cycloaliphatic di- and/or polyurethaneBASF AG·Filed 1980·Granted Feb 5, 1985·33 cites·11 claims
- 0693US4482499AProcess for the preparation of isocyanates by thermal cleaving of urethanesBASF AG·Filed 1982·Granted Nov 13, 1984·35 cites·11 claims
- 0793US4192949APreparation of aralkyl phenyl ethers and alkyl phenyl ethersBASF AG·Filed 1978·Granted Mar 11, 1980·36 cites·10 claims
- 0892US4436668APreparation of carbonatesBASF AG·Filed 1981·Granted Mar 13, 1984·35 cites·12 claims
- 0989US4713476AProcess for the preparation of aliphatic di- and polyurethanesBASF AG·Filed 1986·Granted Dec 15, 1987·41 cites·18 claims
- 1088US4613466APreparation of hexamethylene 1,6-diisocyanate and/or isomeric diisocyanates where alkylene is of 6 carbon atomsBASF AG·Filed 1985·Granted Sep 23, 1986·26 cites·9 claims
- 1188US4611079AProcess for the preparation of N-aryl di- or polyurethanesBASF AG·Filed 1984·Granted Sep 9, 1986·24 cites·18 claims
- 1284US4330479AThermal decomposition of aryl urethanesBASF AG·Filed 1980·Granted May 18, 1982·18 cites·14 claims
- 1382US4530796AProcess for the preparation of isocyanates through the thermal cleavage of urethanesBASF AG·Filed 1984·Granted Jul 23, 1985·17 cites·20 claims
- 1480US4695645AProcess for the preparation of N,o-substituted mono-and/or polyurethanesBASF AG·Filed 1984·Granted Sep 22, 1987·12 cites·9 claims
- 1575US4191838AAcryloxy-alkylpropanals and methacryloxy-alkylpropanalsBASF AG·Filed 1978·Granted Mar 4, 1980·16 cites·5 claims
- 1668US4322365APreparation of isocyanatesBASF AG·Filed 1981·Granted Mar 30, 1982·8 cites·7 claims
- 1765US4349484AProcess for the manufacture of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanatesBASF AG·Filed 1980·Granted Sep 14, 1982·7 cites·11 claims
- 1862US4375000AProcess for the preparation of an aryl mono-, di-, and/or polyurethaneBASF AG·Filed 1980·Granted Feb 22, 1983·6 cites·12 claims
- 1954US4294971APreparation of N-aryloxazolidine-2,4-dionesBASF AG·Filed 1980·Granted Oct 13, 1981·3 cites·10 claims
- 2047US4278805AProcess for the preparation of an aryl mono-, di-, and/or polyurethaneBASF AG·Filed 1980·Granted Jul 14, 1981·7 cites·12 claims
- 2144US4459236APreparation of 1-alkenyl isocyanatesBASF AG·Filed 1981·Granted Jul 10, 1984·2 cites·8 claims
- 2243US4740610AProcess for the preparation of N,o-substituted mono- and/or polyurethanesBASF AG·Filed 1986·Granted Apr 26, 1988·4 cites·9 claims
- 2336US4319035AProcess for recycling noble metal catalysts used for the manufacture of aromatic urethanesBASF AG·Filed 1980·Granted Mar 9, 1982·3 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Friedrich Towae 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 →