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Vienna, Austria

Marcel Sychra

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 = 3

Marcel SychraHeinrich Gruber (3 patents)Marcel SychraGerd Greber (2 patents)Marcel SychraGerhard Greber, Deceased (1 patent)Marcel SychraMarcel Sychra (3 patents)Heinrich GruberHeinrich Gruber (12 patents)Gerd GreberGerd Greber (34 patents)Gerhard Greber, DeceasedGerhard Greber, Deceased (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Chemie Linz Gesellschaft M.b.h. (2 from 43 patents)

2. Chemie Linz Gmbh (1 from 7 patents)


3 patents:

1. 5378799 - Heat-stable polyimides and polyamide-imides with modified benzhydrol

2. 5164476 - Soluble and/or fusible polyimides and polyamidoimides

3. 5126462 - Sulfur-containing aromatic tetracarboxylic acids and derivatives thereof

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as of
12/12/2025
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