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:
May. 11, 2004
Filed:
Oct. 21, 2002
Applicant:
Inventors:
Assignee:
FEW Chemicals GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 2/306 ; C09B 2/308 ;
U.S. Cl.
CPC ...
C09B 2/306 ; C09B 2/308 ;
Abstract
The invention relates to cyanine dyes, which have alkyl substituents in the meso position of the methine chain, sulphoaryl groups as well as at least one reactive group which permits the binding to a target substance.