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:
Dec. 28, 1999
Filed:
Jun. 17, 1998
Applicant:
Inventor:
Wayne Earl Nacker, Western Springs, IL (US);
Assignee:
Morton International, Inc., Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
252582 ; 252587 ; 252589 ; 2524081 ; 252965 ; 436 56 ;
Abstract
Liquids, such as petroleum fuels, are tagged with chemical compounds having a light-absorbing identifying chemical moiety and at least one polymerizable chemical moiety. The marker is identified in a specimen of the liquid by polymerizing the marker compound, generally along with additional co-polymerizable material.