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:
Sep. 10, 1991
Filed:
Sep. 10, 1987
Applicant:
Inventors:
James B Denton, Elkhart, IN (US);
Kin-Fai Yip, Elkhart, IN (US);
Assignee:
Miles Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549353 ;
Abstract
The synthesis and use of optically active isomers of bis(12-crown-4-methyl) dialkylmalonates as sodium specific ionophores is described. The synthesis of optically active isomers of hydroxymethyl 12-crown-4 useful in synthesizing ionophores is also described.