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:
Jul. 21, 1998
Filed:
Dec. 13, 1996
Applicant:
Inventors:
Garo Khanarian, Berkeley Heights, NJ (US);
Lak M Walpita, Basking Ridge, NJ (US);
Assignee:
Hoechst Celanese Corporation, Warren, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524494 ; 524442 ; 524445 ; 524447 ; 524448 ;
Abstract
Polymeric compositions having a high transparency, low thermal expansion coefficient and low coefficient of refractive index change with temperature are made from a suitable thermoplastic polymer and index-matched glass or ceramic. Such compositions have utility in optical applications.