Inventor · disambiguated record
Heinrich Hamal
Also filed as: HAMAL HEINRICH
5 granted patents·73 citations·filing 1977–1989
80Inventor score
Files withHOECHST AG5
Top patents by PatentIndex Score
5 records- 0189US4870164ASymmetrical and asymmetrical disazo compounds having a bis-aryloxy alkane bridgeHOECHST AG·Filed 1985·Granted Sep 26, 1989·31 cites·6 claims
- 0287US4935502ADiazo compounds, a process for their preparation and their use as colorantsHOECHST AG·Filed 1989·Granted Jun 19, 1990·24 cites·1 claims
- 0380US4169091ASymmetrical and asymmetrical disazo compounds containing a bis-(nitro-aryloxy)alkane middle componentHOECHST AG·Filed 1977·Granted Sep 25, 1979·12 cites·13 claims
- 0460US4231964ANitroamines, processes for their manufacture and their use as diazo componentsHOECHST AG·Filed 1979·Granted Nov 4, 1980·5 cites·5 claims
- 0538US4937345AProcess for the preparation of 2-(arylamino)-3-carboxy-9(10H)-acridonesHOECHST AG·Filed 1988·Granted Jun 26, 1990·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →