Growing community of inventors

Gravenchon, France

Perla Duchesne

Average Co-Inventor Count = 4.00

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 = 0

Perla Duchesne ↔ Pierre Tequi (2 patents)Perla Duchesne ↔ John McDonald (2 patents)Perla Duchesne ↔ Gilles P Sinquin (1 patent)Perla Duchesne ↔ Sinquin Gilles (1 patent)Perla DuchesnePerla Duchesne (2 patents)Pierre TequiPierre Tequi (21 patents)John McDonaldJohn McDonald (9 patents)Gilles P SinquinGilles P Sinquin (19 patents)Sinquin GillesSinquin Gilles (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chevron Oronite Company LLC (2 from 293 patents)

2. Chevron Oronite S.a. (2 from 26 patents)

3. Chevron Oronite Sas (2 patents)


2 patents:

1. 8709987 - Lubricating oil with enhanced protection against wear and corrosion

2. 7868209 - Process for making borated alkaline earth metal toluene sulfonates

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as of
1/2/2026
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