Inventor

Philippe Fresnel

Inventor
Castres, FR

Overview

1→
Patents
1978
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to AQUITAINE PETROLE (1)· patent assignee history
1978Based in Castres, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AQUITAINE PETROLE11978
Locations
LocationPatentsSpan
Castres, FR11978