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. 07, 1995
Filed:
Oct. 09, 1991
Applicant:
Inventors:
Kevin J Drost, North Brunswick, NJ (US);
Pushkara R Varanasi, Monmouth Junction, NJ (US);
Kwan-Yue A Jen, Old Bridge, NJ (US);
Michael A Drzewinski, Princeton Junction, NJ (US);
Assignee:
Enichem S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
252582 ; 252587 ; 526256 ; 526257 ; 526258 ; 526259 ; 526261 ; 526266 ; 526267 ; 526270 ; 528403 ; 528405 ; 528407 ; 528423 ;
Abstract
Base polymers devoid of non-linear optical properties exhibiting second order non-linear optical properties after the covalent attachment of tricyanovinyl groups to pendant side chains of the base polymer. Methods of preparing a polymer having second order non-linear optical properties by reacting the base polymers of the present invention with tetracyanoethylene in a basic solvent at elevated temperatures.