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:
Jan. 08, 2002
Filed:
Mar. 07, 2000
Applicant:
Inventors:
Andrew John Slaney, Malvern, GB;
Damien Gerard McDonnell, Malvern, GB;
Amarjit Kaur Samra, Malvern, GB;
Maurice Stanley, Malvern, GB;
Victoria Minter, Malvern, GB;
John William Goodby, Hull, GB;
Michael Hird, Hull, GB;
Simon John Cross, Hull, GB;
Chu Chuan Dong, Hull, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/973 ; C07C 6/974 ; C09K 1/912 ; C09K 1/920 ; C09K 1/930 ;
U.S. Cl.
CPC ...
C07C 6/973 ; C07C 6/974 ; C09K 1/912 ; C09K 1/920 ; C09K 1/930 ;
Abstract
An electroclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.