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:
Jul. 09, 1996
Filed:
Jun. 05, 1995
Jean-Marie Lehn, Strasbourg, FR;
Gerard Mathis, Bagnols-Sur-Ceze, FR;
Beatrice Alpha, Strasbourg, FR;
Robert Deschenaux, Strasbourg, FR;
Etienne Jolu, Bagnols-Sur-Ceze, FR;
Compagnie Oris Industrie, SA, Paris, FR;
Abstract
The invention relates to rare earth cryptates consisting of at least one rare earth salt complexed by a macropolycyclic compound corresponding to one of formulae I or II below, in which: the ring ##STR1## is the N.sub.2 O.sub.4 macrocycle, the N.sub.2 O.sub.3 macrocycle or the bis--bipyridine macrocycle; Y is a spacer arm or group which consists of a divalent organic radical selected from linear or branched C.sub.1 to C.sub.20 alkylene groups optionally containing one or more double bonds and/or optionally being interrupted by one or more heteroatoms such as oxygen, nitrogen, sulfur or phosphorus, or from C.sub.5 to C.sub.8 cycloalkylene groups or C.sub.6 to C.sub.14 arylene groups, the said alkylene or arylene groups optionally being substituted by alkyl, aryl or sulfonate groups; Z is a functional group capable of bonding covalently with a biological substance; R is a methyl group or represents the group --Y--Z; and R' is hydrogen or a group --COOR', in which R' is a C.sub.1 to C.sub.10 alkyl group and preferably represents the methyl, ethyl or tert.-butyl group, or alternatively R' is a group --CO--NH--Y--Z. ##STR2##