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:
Nov. 04, 2008
Filed:
Jan. 24, 2006
Janette Anyumba, Wayne, NJ (US);
David F. Lewis, Monroe, CT (US);
Hsiao-yi Shih, Whippany, NJ (US);
Xiang Yu, Bridgewater, NJ (US);
Janette Anyumba, Wayne, NJ (US);
David F. Lewis, Monroe, CT (US);
Hsiao-Yi Shih, Whippany, NJ (US);
Xiang Yu, Bridgewater, NJ (US);
ISP Investments Inc., Wilmington, DE (US);
Abstract
This invention relates to photochromic filaments composed of the lithium salt of a conjugated, polymerizable polyacetylene having a carboxylic acid or carboxylate terminal group wherein the length to width ratio of said filaments is between about 5000:1 and about 5:1 and the average length of the filament is up to about 5 cm. The invention also pertains to the use of said salts in maximized radiation sensitivity for imaging, radiation dose measurement or mapping and detection of radiation fields.