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. 10, 1995
Filed:
Sep. 20, 1991
Applicant:
Inventors:
Michael D Wand, Boulder, CO (US);
William N Thurmes, Longmont, CO (US);
David M Walba, Boulder, CO (US);
Assignee:
Displaytech, Inc., Boulder, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
2522996 ; 25229961 ; 25229966 ; 25229967 ; 568647 ; 568631 ; 546339 ; 546340 ; 544298 ; 544335 ; 544224 ; 548136 ;
Abstract
Chiral, nonracemic compounds of the general formula: ##STR1## wherein m and n are either both zero, both equal one or n is equal to one and m is equal to zero, X and Y and Z are halogens, R' is an alkyl, alkoxyl, alkenyl, thioalkyl, thioether, ether, or alkylsilyl group containing three to fifteen carbon atoms, and R is an alkyl group having one to fifteen carbon atoms and where Ar is: