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. 09, 1986
Filed:
Jan. 21, 1986
Applicant:
Inventor:
Yoichi Yuki, Himeji, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01B / ;
U.S. Cl.
CPC ...
210656 ; 2101982 ; 2105021 ; 502402 ;
Abstract
A racemic mixture can be optically resolved by liquid chromatography, using a packing of the compound: ##STR1## wherein at least one group selected from among Y.sup.1, Y.sup.2 and Y.sup.3 represents silica gel and/or a siloxane bond moiety therewith and others represent each a hydrogen atom, an alkyl group having one to 20 carbon atoms, an aryl group having six to 20 carbon atoms, an arylalkyl group having seven to 20 carbon atoms, a halogen atom, a hydroxyl group, an alkoxy group having one to 20 carbon atoms or a combination thereof; X represents a spacer having one to 20 carbon atoms; and R represents a metallic slat of optically active t-leucine or tryptophane.