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:
Mar. 10, 1992
Filed:
Dec. 10, 1990
Applicant:
Inventors:
Bruce A Parkinson, Hockessin, DE (US);
Andrew Streitwieser, Jr, Berkley, CA (US);
Douglas W Wiley, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; H01L / ;
U.S. Cl.
CPC ...
534 15 ; 568326 ; 568732 ; 422 56 ; 436800 ; 25230116 ; 136247 ;
Abstract
This invention concerns novel fluorescent compositions having the potential for absorption of visible and UV radiation and for re-emitting the radiation at longer wavelengths. The compositions comprise rare earth chelates containing a phenalenone nucleus.
Quick Actions:
Parkinson, Bruce. (1992). Fluorescent compounds for absorption and re-emission of radiation (U.S. Patent No. 5095099). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5095099
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile