Growing community of inventors

Cologne, Germany

Heinz Grewatta

Average Co-Inventor Count = 2.67

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 = 63

Heinz GrewattaSiegfried Wolff (4 patents)Heinz GrewattaWerner Schwarze (1 patent)Heinz GrewattaLothar Rothbuhr (1 patent)Heinz GrewattaWolfgang Buder (1 patent)Heinz GrewattaHeinz Grewatta (4 patents)Siegfried WolffSiegfried Wolff (46 patents)Werner SchwarzeWerner Schwarze (34 patents)Lothar RothbuhrLothar Rothbuhr (21 patents)Wolfgang BuderWolfgang Buder (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Degussa Aktiengesellschaft (4 from 1,678 patents)


4 patents:

1. 4952641 - Organyloxysilyl-functional thioures with halogen rubber mixtures

2. 4636550 - Vulcanizable 2-sec.amino-4,6-dimercapto-s-triazine containing halogen

3. 4517335 - Process for vulcanization or cross-linking halogen containing rubbers in

4. 4297145 - Silane/filler preparations, process for their production and their use

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as of
12/5/2025
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