Patent ID: 11932603
Assignee: SIEMENS HEALTHCARE DIAGNOSTICS INC.
Field: Measurement (Instruments)
Classification: CPC C  F  G | IPC C  F  G

Claim 0:
1. An acridinium ester having the structure:, , wherein,
R1 is a methyl or sulfopropyl group;
G is, at both occurrences, a branched group selected from:, and, R12 is selected from the group consisting of
(1) —OH;
(2) —O—N-succinimidyl:
(3) —NH—(CH2)5—C(O)—O—N-succinimidyl;
(4) —NH—(CH2)5—COOH;
(5) —NH—(C2H4O)p—C2H4NH—C(O)—(CH2)3—C(O)—O—N—R″ wherein p=1 to 5; and where R″ is hydrogen or —N-succinimidyl
(6) —NH—(C2H4O)q—C2H4NH2, wherein q=1 to 5; and
(7) —NH—R—NHR, wherein R is independently hydrogen, alkyl, alkenyl, alkynyl, or aralkyl; wherein R optionally comprises up to 20 heteroatoms.