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:
Dec. 05, 2000
Filed:
Jan. 20, 1999
Applicant:
Inventors:
Ranganathan Shashidhar, Springfield, VA (US);
Kirsten A Grueneberg, McLean, VA (US);
Banahalli R Ratna, Springfield, VA (US);
Jeffrey M Calvert, Acton, MA (US);
Joel M Schnur, Burke, VA (US);
Mu-San Chen, Elicott City, MD (US);
Assignees:
Geo-Centers, Inc., Newton Centre, MA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; G02F / ; B32B / ; C07F / ;
U.S. Cl.
CPC ...
2522994 ; 349 27 ; 359183 ; 428-12 ; 428-16 ; 428195 ; 428447 ; 556419 ; 556421 ;
Abstract
A surface for the alignment of liquid crystals containing directionally-linked groups and compounds useful for preparing such surfaces are disclosed.