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Marl, Germany

Otto Hallmann

Average Co-Inventor Count = 3.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1

Otto HallmannGerhard Thelen (1 patent)Otto HallmannGuthard Mock (1 patent)Otto HallmannOtto Hallmann (1 patent)Gerhard ThelenGerhard Thelen (7 patents)Guthard MockGuthard Mock (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Huels Aktiengesellschaft (1 from 580 patents)


1 patent:

1. 5391750 - Process for the preparation of 4-hydroxy-2,2,6,6-tetramethylpiperidine

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