Growing community of inventors

Liederbach, Taunus, Germany

Grete Petrich

Average Co-Inventor Count = 2.00

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 = 2

Grete PetrichHelmold Von Plessen (1 patent)Grete PetrichGrete Petrich (1 patent)Helmold Von PlessenHelmold Von Plessen (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hoechst Aktiengesellschaft (1 from 6,662 patents)


1 patent:

1. 4032622 - Method of concentrating sulfuric acid using a boiler of improved cast

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12/15/2025
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