Growing community of inventors

Frenkendorf, Switzerland

Roland Changtelain

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 = 12

Roland ChangtelainRoger Lacroix (1 patent)Roland ChangtelainPetr Kvita (1 patent)Roland ChangtelainRoland Changtelain (1 patent)Roger LacroixRoger Lacroix (22 patents)Petr KvitaPetr Kvita (19 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ciba-geigy Corporation (1 from 6,858 patents)


1 patent:

1. 4851011 - Process for the preparation of concentrated aqueous dye formulations of

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