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.

Date of Patent:
Aug. 30, 1977

Filed:

Mar. 18, 1976
Applicant:
Inventors:

Roy Cleeland, Jr, Short Hills, NJ (US);

Emanuel Grunberg, North Caldwell, NJ (US);

Willy Leimgruber, Montclair, NJ (US);

Manfred Weigele, North Caldwell, NJ (US);

Assignee:

Hoffmann-La Roche Inc., Nutley, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2603 / ; 26032616 ; 2603473 ; 2603478 ; 2605 / ; 26032615 ; 26034831 ; 424-7 ;
Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is lower alkyl or phenyl lower alkyl; R.sub.2 is phenyl or substituted phenyl; and R.sub.3 is substituted or unsubstituted phenyl, naphthyl or indolyl; Are fluorogenic reagents which react with primary amino groups to form fluorophors. The above compounds are useful for fluorescent labeling of materials of biological importance.


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