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. 07, 1993
Filed:
Feb. 12, 1992
Applicant:
Inventors:
Mary E Tabacco, Brighton, MA (US);
Bruce J Nielsen, Panama City, FL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385-2 ; 385 13 ; 385123 ; 65-315 ;
Abstract
Fiber optic based optrodes suitable for in-situ monitoring of groundwater and earth material for the presence of aromatic hydrocarbons. The optrodes are fabricated with porous optical waveguides which are impregnated with a chemical indicator whose optical transmission properties change in the presence of aromatic species, providing a high degree of chemical specificity.