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:
Apr. 06, 2010
Filed:
Aug. 04, 2006
Alan R. Craig, Wilmington, DE (US);
Zhu Teng, Boothwyn, PA (US);
Richard C. Wright, North East, MD (US);
Chengrong Wang, Glen Mills, PA (US);
Alan R. Craig, Wilmington, DE (US);
Zhu Teng, Boothwyn, PA (US);
Richard C. Wright, North East, MD (US);
Chengrong Wang, Glen Mills, PA (US);
Siemens Healthcare Diagnostics Inc., Deerfield, IL (US);
Abstract
Compositions suitable for use as signal generation components of an immunoassay, and methods for their use. According to one aspect of the invention, the composition includes a carrier having a coating of an aminodextran and a metal chelate incorporated therein. The metal chelate is present in the amount of at least 0.065 μMole per gram of carrier, and the aminodextran coating density averaging at least about 45 μg per milligram of carrier. In another aspect of the invention, carrier is dyed with a complex having the formula:M(L1)(L2), wherein R is one or more substituents, each substituent comprising an electron donating group; n=2-10; x=1-2; and y=2-4.