Growing community of inventors

Duesseldorf, Germany

Brigitte Spei

Average Co-Inventor Count = 2.62

ph-index = 3

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 = 27

Brigitte Spei ↔ Volker Wehle (3 patents)Brigitte Spei ↔ Herbert Fischer (1 patent)Brigitte Spei ↔ Uwe Ploog (1 patent)Brigitte Spei ↔ Ludwig Schieferstein (1 patent)Brigitte Spei ↔ Rainer Jeschke (1 patent)Brigitte Spei ↔ Hermann Kroke (1 patent)Brigitte SpeiBrigitte Spei (3 patents)Volker WehleVolker Wehle (7 patents)Herbert FischerHerbert Fischer (54 patents)Uwe PloogUwe Ploog (48 patents)Ludwig SchiefersteinLudwig Schieferstein (27 patents)Rainer JeschkeRainer Jeschke (10 patents)Hermann KrokeHermann Kroke (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (3 from 2,080 patents)


3 patents:

1. 5358988 - Water-in-oil emulsions

2. 4961858 - Process for the demulsification of oil/water emulsions using organic

3. 4789483 - Process for controlling the breaking of oil-in water emulsions

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as of
12/27/2025
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