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:
Sep. 03, 2019
Filed:
Nov. 25, 2013
Applicant:
Optech Ventures Llc, Torrance, CA (US);
Inventor:
Manal Beshay, San Pedro, CA (US);
Assignee:
Optech Ventures, LLC., Torrance, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/22 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/0057 (2013.01); G01N 33/0052 (2013.01);
Abstract
A distributed chemical sensor using an optical fiber having a cladding containing an indicator dye complexed with a heavy metal salt whereby the dye is rendered inactive and the heavy metal salt is preferentially functional to complex with a fluoride ion by cleaving from the dye.