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:
Sep. 01, 1992
Filed:
Sep. 24, 1990
Applicant:
Inventors:
Yoshitaka Goto, Tsukuba, JP;
Masaharu Nakayama, Tsuchiura, JP;
Assignee:
Nippon Oil and Fats Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549 70 ; 359240 ; 359321 ; 359328 ;
Abstract
A non-linear optical material consists essentially of 3-(2-thienyl)-1-(4-methylphenyl)propene-3-one represented by the formula (I) ##STR1## A non-linear optical device contains an organic compound disposed in a light beam. The organic compound is represented by the formula (I) and has a crystal in which a space group determined by the X-ray analytical method is P2.sub.1.