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:
Mar. 17, 1992
Filed:
Apr. 06, 1989
Applicant:
Inventors:
Takafumi Ishii, Kanagawa, JP;
Takehiro Toyooka, Kanagawa, JP;
Shigeki Iida, Kanagawa, JP;
Tomohiro Toya, Kanagawa, JP;
Itoh Hiroyuki, Kanagawa, JP;
Hajime Hara, Kanagawa, JP;
Satoh Tetsuo, Tokyo, JP;
Assignee:
Nippon Oil Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530350 ; 428-1 ; 528328 ; 530345 ;
Abstract
A nonlinear optical material obtained by blending 50-99% by weigth of a polypeptide and 1-50% by weight of a compound exerting a nonlinear optical response has a very large nonlinear optical constant, exterts a high and stable SHG activity and easily undergoes phase matching.