Growing community of inventors

Barcelona, Spain

David J Roberts

Average Co-Inventor Count = 2.00

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 = 1

David J RobertsJacinto M Mauri (2 patents)David J RobertsDavid J Roberts (2 patents)Jacinto M MauriJacinto M Mauri (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Antonia Gallardo, S.a. (1 from 1 patent)

2. Antonio Gallardo, S.a. (1 from 1 patent)


2 patents:

1. 4072747 - Derivatives of 1,2-diphenyl-3,5-dioxo-4-n-butyl-pyrazolidine and process

2. 3994910 - Derivatives of 1,2-diphenyl-3,5-dioxo-4-N-butyl-pyrazolidine and process

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/18/2025
Loading…