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:
May. 12, 1998
Filed:
Jan. 16, 1996
Applicant:
Inventor:
Mark M Green, New York, NY (US);
Assignee:
Hayes Soloway, Hennessey, Grossman & Hage, Manchester, NH (US);
Primary Examiner:
Int. Cl.
CPC ...
G09K / ; G07F / ;
U.S. Cl.
CPC ...
25229901 ; 349183 ; 430 20 ;
Abstract
An optical information storage material which can reversibly store said information comprising a polymeric material with a dependence of optical activity on temperature characterized in that the optical activity is substantially invariant at temperatures below Tg of said polymer, and variant at a temperatures at or near or above the Tg.