The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 1991
Filed:
May. 30, 1989
Applicant:
Inventors:
Paul Penven, Orsay, FR;
Philippe Michel, Paris, FR;
Denis Jerome, Jouy en Josas, FR;
Alexandre Moradpour, Paris, FR;
Assignee:
Thomson CSF, Puteaux, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556 64 ; 556 13 ; 568-9 ; 568 16 ; 324244 ; 324262 ; 324263 ; 570129 ;
Abstract
Disclosed is an organic material with a very narrow electronic spin resonance (ESR) line. This material is formed by a 1, 2, 7, 8-tetrahydrocyclopentataperylene salt which may have, advantageously, undergone a heat treatment. The material can be applied to the fabrication of probes for gaussmeters and magnetometers.