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Pittsburgh, PA, United States of America

Mark Witman

Average Co-Inventor Count = 4.80

ph-index = 2

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 = 38

Mark WitmanChristian Lindner (1 patent)Mark WitmanKarl-Heinz Ott (1 patent)Mark WitmanManfred Schmidt (1 patent)Mark WitmanLudwig Bottenbruch (1 patent)Mark WitmanHans-Jurgen Kress (1 patent)Mark WitmanHans-Rudolf Dicke (1 patent)Mark WitmanKlaus Kircher (1 patent)Mark WitmanAziz El-Sayed (1 patent)Mark WitmanMark Witman (2 patents)Christian LindnerChristian Lindner (164 patents)Karl-Heinz OttKarl-Heinz Ott (141 patents)Manfred SchmidtManfred Schmidt (98 patents)Ludwig BottenbruchLudwig Bottenbruch (96 patents)Hans-Jurgen KressHans-Jurgen Kress (55 patents)Hans-Rudolf DickeHans-Rudolf Dicke (28 patents)Klaus KircherKlaus Kircher (28 patents)Aziz El-SayedAziz El-Sayed (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (2 from 12,160 patents)


2 patents:

1. 4649168 - Process for the preparation of flame-resistant polycarbonate moulding

2. 4599395 - Thermotropic, aromatic polyesters having good mechanical strength,

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as of
12/27/2025
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