Inventor · disambiguated record
Hans Hellbach
Also filed as: HELLBACH HANS
7 granted patents·378 citations·filing 1977–1985
88Inventor score
Files withBASF AG7
Top patents by PatentIndex Score
7 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
- 0393US4482499AProcess for the preparation of isocyanates by thermal cleaving of urethanesBASF AG·Filed 1982·Granted Nov 13, 1984·35 cites·11 claims
- 0488US4613466APreparation 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
- 0567US4681946APreparation of nicotinamideBASF AG·Filed 1985·Granted Jul 21, 1987·8 cites·7 claims
- 0666US4138591AManufacture of alkylphenolsBASF AG·Filed 1977·Granted Feb 6, 1979·8 cites·12 claims
- 0738US4491674AProcess and apparatus for the safe supply of molecular oxygen or of gas containing molecular oxygen to an oxidation of hydrocarbonsBASF AG·Filed 1980·Granted Jan 1, 1985·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →