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:
Jan. 12, 1999
Filed:
Jul. 12, 1996
Applicant:
Inventors:
Martin R Godfrey, Elburn, IL (US);
Donald E Govoni, Joliet, IL (US);
Linda M Link, Carol Stream, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436113 ; 422-3 ; 422 11 ; 422 12 ; 422 13 ; 422 14 ; 422 15 ; 422 16 ; 422 17 ; 422 18 ; 422 19 ; 422119 ; 436-6 ; 436 96 ; 436109 ; 436111 ; 426112 ;
Abstract
Primary amines, ammonia, or mixtures thereof can be detected using a reagent comprising from about 650 ppm to about 25 percent by weight of phthalic dicarboxyaldehyde; from about 74 to about 99.88 percent by weight of an alkali metal borate; and, from about 550 ppm to about 22 percent by weight of a nucleophile.
Godfrey, Martin. (1999). Method and apparatus for detecting amines and ammonia by fluorescence (U.S. Patent No. 5858798). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5858798
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile