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:
Jun. 10, 1997
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Jacques Pecaut, Avignon, FR;
Jean-Pierre Levy, Grenoble, FR;
Rene Masse, Crolles, FR;
Joseph Zyss, Sceaux, FR;
Rolland Hierle, Paris, FR;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546307 ; 546297 ;
Abstract
The present invention relates to new noncentrosymmetric crystal structures consisting of an optionally substituted 2-amino-5-nitropyridinium halide. It also relates to a process for the preparation of these crystal structures. Finally, it relates to a device with an electro-optical effect comprising said crystal structure.